Publications

Journal Papers

J46-ME. Oraiopoulou, E. Tzamali, J. Papamatheakis, and V. Sakkalis, “Phenocopying Glioblastoma: A review,” IEEE Reviews in Biomedical Engineering, 2021 (available online: DOI: 10.1109/RBME.2021.3111744).

J45-M. Tampakaki, ME. Oraiopoulou, E. Tzamali, G. Tzedakis, T. Makatounakis, G. Zacharakis, J. Papamatheakis, and V. Sakkalis, “PML Differentially Regulates Growth and Invasion in Brain Cancer,” International Journal of Molecular Sciences, vol. 22, no. 12, p. 6289, Jun. 2021 (available online: DOI: 10.3390/ijms22126289).

J44-S. Magalini, D. Gui, P. Mari, M. Merialdo, E. Spanakis, V. Sakkalis, et al. “Cyberthreats to Hospitals: Panacea, a Toolkit for People-Centric Cybersecurity”, Journal of Strategic Innovation and Sustainability, Vol. 16, No. 3, 2021 (available online: DOI: 10.33423/jsis.v16i3.4449).

J43-EG. Spanakis, S. Sfakianakis, S. Bonomi, C. Ciccotelli, S. Magalini, and V Sakkalis “Emerging and Established Trends to Support Secure Health Information Exchange", Frontiers in Digital Health, Vol. 3, 2021 (available online: DOI: 10.3389/fdgth.2021.636082).

J42-E. Tzamali, G. Tzedakis, and V Sakkalis “Modelling how heterogeneity in cell-cycle length affects cancer cell growth dynamics in response to treatment", Frontiers in Oncology-Molecular and Cellular Oncology, Vol. 10, No. 1552, 2020 (available online: DOI: 10.3389/fonc.2020.01552).

J41-M. Spanakis, S. Sfakianakis, G. Kallergis, EG. Spanakis, and V Sakkalis "PharmActa: Personalized pharmaceutical care eHealth platform for patients and pharmacists", Journal of Biomedical Informatics, Vol. 100, p. 103336, 2019 (available online: DOI: 10.1016/j.jbi.2019.103336).

J40-C. Farmaki, V. Sakkalis, F. Loesche, and EA. Nisiforou “Assessing Field Dependence–Independence Cognitive Abilities Through EEG-Based Bistable Perception Processing,” Front. Hum. Neurosci., Vol. 13, No. 345, 2019 (available online: DOI: 10.3389/fnhum.2019.00345).

J39-ME. Oraiopoulou, Μ. Tampakaki, Ε. Tzamali, Τ. Tamiolakis, V. Makatounakis, FA. Vakis, G. Zacharakis, V. Sakkalis, and J. Papamatheakis, “The T98G Glioblastoma cell line phenotypic characterization”, Tissue and Cell, Vol. 59, pp. 39-43, 2019 (available online: DOI: 10.1016/j.tice.2019.05.007).

J38-M Spanakis, S Sfakianakis, V Sakkalis, and EG Spanakis "PharmActa: Empowering Patients to Avoid Clinical Significant Drug–Herb Interactions", Medicines, Vol. 6, No 1, Article number: 26, 2019 (available online: DOI: 10.3390/medicines6010026).

J37-E. Tzamali, G. Tzedakis, and V. Sakkalis "A framework linking glycolytic metabolic capabilities and tumor dynamics", IEEE Journal of Biomedical and Health Informatics, Vol. 23, No. 5, pp. 1844-1854, 2019 (available online: DOI: 10.1109/JBHI.2018.2890708).

J36-ME. Oraiopoulou, E. Tzamali, G. Tzedakis, E. Liapis, G. Zacharakis, A. Vakis, J. Papamatheakis, and V. Sakkalis "Integrating in vitro experiments with in silico approaches for Glioblastoma invasion: the role of cell-to-cell adhesion heterogeneity", Scientific Reports (Nature), Vol. 8, Article number: 16200, 2018 (available online: DOI: 10.1038/s41598-018-34521-5).

J35-ME. Oraiopoulou, E, Tzamali, G. Tzedakis, AF. Vakis, J. Papamatheakis, and V. Sakkalis "In vitro/ in silico study on the role of doubling time heterogeneity among primary Glioblastoma cell lines", Basic and Translational Advances in Glioblastoma - BioMed Research International, Vol. 2017, Article ID. 8569328, 2017 (available online: DOI: 10.1155/2017/8569328).

J34-M. Spanakis, E. Kontopodis, S. Van Cauter, V. Sakkalis, and K. Marias "Assessment of DCE-MRI parameters for brain tumors through implementation of physiologically –based pharmacokinetic models approaches for Gd-DOTA", Journal of Pharmacokinetics and Pharmacodynamics, Vol. 43, No 5, pp. 529-547, 2016 (available online: DOI: 10.1007/s10928-016-9493-x).

J33-C. Thermolia, ES. Bei, EGM. Petrakis, V. Kritsotakis, and V. Sakkalis, “An ontological-based monitoring system for patients with bipolar I disorder,” The Siberian Scientific Medical Journal, Vol. 36, No 1, 2016.

J32-E.G. Spanakis, S. Santana, M. Tsiknakis, K. Marias, V. Sakkalis, A. Teixeira, J.H. Janssen, H. de Jong, and Ch. Tziraki "Technology-based Innovations to Foster Personalized Healthy Life Styles and Wellbeing: A Targeted Review", J Med Internet Res., Vol. 18, No 6, pp. e128, 2016.

J31-G. Tzedakis, E. Tzamali, K. Marias, and V. Sakkalis "The importance of neighborhood scheme selection in agent-based tumor growth modeling", Cancer informatics, No 14(S4), pp. 67-81, 2015 (available online: DOI: 10.4137/CIN.S19339).

J30-A. Roniotis, M. Oraiopoulou, E. Tzamali, E. Kontopodis, S. Van Cauter, V. Sakkalis, and K. Marias "A proposed paradigm shift in initializing cancer predictive models with DCE-MRI based PK parameters: A feasibility study", Cancer informatics, Vol. 14(Suppl. 4), pp. 7-18, 2015 (available online: DOI: 10.4137/CIN.S19339).

J29-E. Tzamali, G. Grekas, K. Marias, and V. Sakkalis "Exploring the competition between proliferative and invasive cancer phenotypes in a continuous spatial model", PLoS ONE, Vol. 8, Νο 8, pp. e103191, 2014 (available online: DOI: 10.1371/journal.pone.0103191).

J28-E.G. Spanakis, V. Sakkalis, K. Marias, and A. Traganitis "Cross Layer Interference Management in Wireless Biomedical Networks", Entropy, Vol. 16, pp. 2085-2104, 2014 (available online: DOI: 10.3390/e16042085).

J27. V. Sakkalis, S. Sfakianakis, E. Tzamali, K. Marias, G. Stamatakos, F. Misichroni, E. Ouzounoglou, E. Kolokotroni, D. Dionysiou, D. Johnson, S. McKeever, and N. Graf " Web-Based Workflow Planning Platform Supporting the Design and Execution of Complex Multiscale Cancer Models", IEEE Journal of Biomedical and Health Informatics, Vol. 18, No. 3, pp. 824-831, 2014 (available online: DOI: 10.1109/JBHI.2013.2297167).

J26. A. Hristoskova, V. Sakkalis, G. Zacharioudakis, M. Tsiknakis, and F. De Turck "Ontology-Driven Monitoring of Patient’s Vital Signs Enabling Personalized Medical Detection and Alert", Sensors, Vol. 14, No. 1, pp. 1598-1628, 2014 (available online: DOI: 10.3390/s140101598).

J25. D. Johnson, S. McKeever, G. Stamatakos, D. Dionysiou, N. Graf, V. Sakkalis, K. Marias, Z. Wang, T.S. Deisboeck, "Dealing with Diversity in Computational Cancer Modeling", Cancer Informatics, Vol. 12, pp. 115-124, 2013. (available online: DOI: 10.4137/CIN.S11583).

J24. A. Roniotis, K. Marias, V. Sakkalis, G. C. Manikis and M. Zervakis, "Simulating Radiotherapy Effect in High-Grade Glioma by using Diffusive Modeling and Brain Atlases", Journal of Biomedicine and Biotechnology, Vol. 2012, Article ID 715812, 9 pages, 2012. (available online: DOI: 10.1155/2012/715812).

J23. A. Roniotis, V. Sakkalis, K. Marias, I. Karatzanis and M. Zervakis, "In-depth analysis and evaluation of diffusive glioma models", IEEE Trans. Inf. Tech., Vol. 16, No. 3, pp. 299-307, 2012 (available online: DOI: 10.1109/TITB.2012.2185704).

J22. S. Kartakis, V. Sakkalis, P. Tourlakis, G. Zacharioudakis, C. Stephanidis "Enhancing Health Care Delivery through Ambient Intelligence Applications", Sensors, Vol. 12, No. 9, pp. 11435-50, 2012 (available online: DOI: 10.3390/s120911435).

J21. A. Roniotis, G. Manikis, V. Sakkalis, M. Zervakis, I. Karatzanis, and K. Marias "High grade glioma diffusive modeling using statistical tissue information and diffusion tensors extracted from atlases", IEEE Trans. Inf. Tech., Vol. 16, No. 2, pp. 255-263, 2012 (available online: DOI: 10.1109/TITB.2011.2171190).

J20. V. Sakkalis, "Review of Advanced Techniques for the estimation of Brain Connectivity measured with EEG/MEG", Comput Biol Med. Vol. 41, No 12, pp. 1110-1117, 2011 (available online: DOI:10.1016/j.compbiomed.2011.06.020).

J19. K. Marias, D. Dionysiou, V. Sakkalis, et al., “Clinically-Driven Design of Multiscale Cancer Models: the Contra Cancrum Project Paradigm”, J. R. Soc Interface Focus, Vol. 1, pp. 450-461, 2011 (available online: DOI: 10.1098/rsfs.2010.0037).

J18. M. Zervakis, K. Michalopoulos, V. Iordanidou and V. Sakkalis, "Intertrial Coherence and Causal Interaction among Independent EEG Components", Journal of Neuroscience Methods, Vol. 197, No. 2, pp. 302-14, 2011 (available online: DOI :10.1016/j.jneumeth.2011.02.001).

J17. V. Sakkalis, "Applied strategies towards EEG/MEG biomarker identification in clinical and cognitive research", Biomarkers in Medicine, future medicine, Vol. 5, No. 1, pp. 93-105, 2011.

J16. E. Christodoulou, V. Sakkalis, V. Tsiaras and Ioannis Tollis, "BrainNetVis: An open-access tool to effectively quantify and visualize brain networks", Computational Intelligence & Neuroscience CIN, vol. 2011, Article ID 747290, 12 pages, 2011. DOI: 10.1155/2011/747290.

J15. V. Sakkalis, T. Cassar, M. Zervakis, C. D. Giurcăneanu, C. Bigan, S. Micheloyannis, K. P. Camilleri, S. G. Fabri, V. Tsiaras, E. Karakonstantaki and K. Michalopoulos, "A decision support framework for the discrimination of children with controlled epilepsy based on EEG analysis", Journal of Neuroengineering and Rehabilitation, Vol. 7, No. 24, 2010 (available online: doi:10.1186/1743-0003-7-24).

J14. V. Sakkalis, V. Tsiaras and I. Tollis, "Graph Analysis and Visualization for Brain Function Characterization using EEG Data", Journal of Healthcare Engineering, Vol. 1, No. 3, pp. 435–460, 2010.

J13. C. Farmaki, K. Marias, V. Sakkalis and N. Graf, "Spatially adaptive active contours: A semi-automatic tumor segmentation framework", Int J Comput Assist Radiol Surg., Vol. 5, No. 4, pp. 369-84, 2010.

J12. E. Skounakis, C. Farmaki, V. Sakkalis, A. Roniotis, K. Banitsas, N. Graf and K. Marias, "DoctorEye: A clinically driven multifunctional platform, for accurate processing of tumors in medical images", Intelligent signal and image processing in eHealth - The Open Medical Informatics Journal, pp 105-115, 2010 (available online: DOI: 10.2174/1874431101004010105).

J11. A. Roniotis, K. Marias, V. Sakkalis and M. Zervakis, "Diffusive Modelling of Glioma Evolution: A review", Journal of Biomedical Science and Engineering, Scientific Research Publishing, Vol. 3, No. 5, pp. 501-508, 2010 (available online: DOI: 10.4236/jbise.2010.35070).

J10. P.Y. Ktonas, S. Golemati, P. Xanthopoulos, V. Sakkalis, M. D. Ortigueira, H. Tsekou, M. Zervakis, T. Paparrigopoulos, T. Bonakis, N. Economou, P. Theodoropoulos, S. Papageorgiou, D. Vasilopoulos and C.R. Soldatos, "Time-frequency analysis methods to quantify the time-varying microstructure of sleep EEG spindles: Possibility for dementia biomarkers", Journal of Neuroscience Methods, Vol. 85, No. 1, pp. 133-142, 2009.

J9. K. Lakiotaki, P. Delias, V. Sakkalis and N.F. Matsatsinis, "Multi-criteria Analysis: A fundamental step in User Profiling", Operational Research: An International Journal, Vol. 9, No. 1, pp. 3-16, 2009 (available online: DOI: 10.1007/s12351-008-0024-4).

J8. V. Sakkalis, C.D. Giurcăneanu, P. Xanthopoulos, M. Zervakis, V. Tsiaras, Y. Yang, and S. Micheloyannis, "Assessment of linear and nonlinear synchronization measures for analyzing EEG in a mild epileptic paradigm", IEEE Trans. Inf. Tech., Vol. 13, No 4, pp. 433-441, 2009 (DOI: 10.1109/TITB.2008.923141).

J7. V. Sakkalis, T. Cassar, M. Zervakis, K.P. Camilleri, S.G. Fabri, C. Bigan, E. Karakonstantaki and S. Micheloyannis, "Parametric and Nonparametric EEG Analysis for the Evaluation of EEG Activity in Young Children with Controlled Epilepsy", Computational Intelligence & Neuroscience CIN, Vol. 2008, Article ID 462593, 15 pages, 2008. (available online: DOI:10.1155/2008/462593).

J6. R. Grech, T. Cassar, J. Muscat, K.P. Camilleri, S.G. Fabri,, M. Zervakis, P. Xanthopoulos, V. Sakkalis and B. Vanrumste, "Review on solving the inverse problem in EEG source analysis", Journal of Neuroengineering and Rehabilitation, Vol. 5, No. 1, 2008 (available online: DOI:10.1186/1743-0003-5-25).

J5. V. Sakkalis, M. Zervakis, and S. Micheloyannis, "Significant EEG Features Involved in Mathematical Reasoning: Evidence from Wavelet Analysis", Brain Topography, Vol. 19, No.1-2, pp. 53-60, 2006.

J4. S. Micheloyannis, V. Sakkalis, M. Vourkas, C.J. Stam, and P.G. Simos, "Neural networks involved in mathematical thinking: Evidence from linear and non-linear analysis of electroencephalographic activity", Neuroscience Letters, Vol. 373, pp. 212-217, 2005.

J3. P. G. Simos, E. Papanikolaou, E. Sakkalis, and S. Micheloyannis, “Modulation of Gamma-Band Spectral Power by Cognitive Task Complexity”, Brain Topography, Vol. 14, No. 3, pp. 191-196, Spring 2002.

J2. G. Zacharakis, A. Zolindaki, V. Sakkalis, G. Filippidis, T.G. Papazoglou, D.D. Tsiftsis, E. Koumantakis, “In vitro optical characterization and discrimination of female breast tissue during near infrared femtosecond laser pulses propagation”, Journal of Biomed. Opt., Vol. 6, No. 4, pp. 446-449, October 2001.

J1. G. Zacharakis, A. Zolindaki, V. Sakkalis, G. Filippidis,, E. Koumantakis, and T.G. Papazoglou, “Non-parametric characterization of human breast tissue by the Laguerre expansion of the kernels technique applied on propagating femtosecond laser pulses through biopsy samples”, Appl. Phys. Lett., Vol. 74, No. 5, pp. 771-772, 1999.

Books

V. Sakkalis, "Modern Electroencephalographic Assessment Techniques: Theory and Applications", Neuromethods series by Springer Science + Business Media, Vol. 91, Sakkalis, Vangelis (Ed.), ISBN 978-1-4939-1298-8, 2015.

Since its online publication, there has been a total of 12,800 chapter downloads on SpringerLink
(info date: May 2019).

Book Chapters

B15. M. Pateraki, K. Fysarakis, V. Sakkalis, G. Spanoudakis, I, Varlamis, M. Maniadakis, M. Lourakis, S. Ioannidis, N. Cummins, B. Schuller, E. Loutsetis, and D. Koutsouris "Biosensors and Internet of Things in smart healthcare applications: challenges and opportunities". In: Wearable and Implantable Medical Devices, pp. 25-53 ISBN: 978-0-12-815369-7, Elsevier, 2020. (available online: doi: 10.1016/B978-0-12-815369-7.00002-1).

B14. G. Giannakakis, M. Pediaditis, G. Stavrinidis, G. Konstantinidis, V. Kritsotakis, V. Tsakanikas, M. Ligerakis, V. Sakkalis, P. Vorgia and M. Tsiknakis "A computational platform for continuous seizure anticipitation, monitoring and clinical evaluation,” Studies in Health Technology and Informatics, Vol. 224: pHealth 2016, pp. 108-113, N. Maglaveras and E. Gizeli (Eds.), 2016 ISSN 0926-9630 (print) | 1879-8365 (online), IOS Press (available online: doi: 10.3233/978-1-61499-653-8-108).

B13. C. Farmaki, V. Sakkalis, K. Gjini, N.N. Boutros, and G. Zouridakis "Assessment of Sensory Gating Deficit in Schizophrenia Using a Wavelet Transform Methodology on Auditory Paired-Click Evoked Potentials", Neuromethods series by Springer Science + Business Media, Vol. 91, pp. 205-229, Sakkalis, Vangelis (Ed.), ISBN 978-1-4939-1298-8, 2015.

B12. G. Giannakakis, V. Sakkalis, M. Pediaditis, and M. Tsiknakis "Methods for Seizure Detection and Prediction: An overview", Neuromethods series by Springer Science + Business Media, Vol. 91, pp. 131-157, Sakkalis, Vangelis (Ed.), ISBN 978-1-4939-1298-8, 2015.

B11. V. Sakkalis, T. Oikonomou, V. Tsiaras, and I. Tollis, "Graph-theoretic indices of evaluating brain network Synchronization: Application in an alcoholism paradigm", Neuromethods series by Springer Science + Business Media, Vol. 91, pp. 159-169, Sakkalis, Vangelis (Ed.), ISBN 978-1-4939-1298-8, 2015.

B10. V. Sakkalis, S. Sfakianakis, K. Marias “Bridging Social Media Technologies and Scientific Research: A Twitter-Enabled Platform for VPH Modeling” in: Lecture Notes of the Institute for Computer Sciences, Social Informatics and Telecommunications Engineering (LNICST), K.S. Nikita et al. (Eds.): Wireless Mobile Communication and Healthcare, vol. 61, pp. 380–387, ISBN 978-3-642-37892-8 (Print) 978-3-642-37893-5 (Online), Springer 2013 (available online: doi: 10.1007/978-3-642-37893-5_42).

B9. E.G. Spanakis, V. Sakkalis, K. Marias, M. Tsiknakis, “Connection between Biomedical Telemetry and Telemedicine” in: Handbook of Biomedical Telemetry: Series on Biomedical Engineering, K.S. Nikita (Ed.), Wiley - IEEE Press, ISBN: 978-1-118-38861-7, 2014.

B8. V. Sakkalis and K. Marias, "EEG based biomarker identification using graph-theoretic concepts: Case study in alcoholism", Optimization and Data Analysis in Biomedical Informatics, Fields Institute Communications, Vol. 63, pp. 171-189, Ed. by P. M. Pardalos T. Coleman and P. Xanthopoulos, ISBN 978-1-4614-4132-8 (Print) 978-1-4614-4133-5 (Online), Springer 2012 (available online: doi: 10.1007/978-1-4614-4133-5_9).

B7. A. Hristoskova, V. Sakkalis, G. Zacharioudakis, M. Tsiknakis, F. De Turck, “Ontology-Driven Monitoring of Patient’s Vital Signs Enabling Personalized Medical Detection and Alert” in: Lecture Notes of the Institute for Computer Sciences, Social Informatics and Telecommunications Engineering (LNICST), K.S. Nikita et al. (Eds.): MobiHealth 2011, vol. 83, pp. 217–224, ISBN 978-3-642-29733-5 (Print) 978-3-642-29734-2 (Online), Springer 2012 (available online: doi: 10.1007/978-3-642-29734-2_30).

B6. I. Basdekis, V. Sakkalis, C. Stephanidis, “Towards an Accessible Personal Health Record” in: Lecture Notes of the Institute for Computer Sciences, Social Informatics and Telecommunications Engineering (LNICST), K.S. Nikita et al. (Eds.): MobiHealth 2011, vol. 83, pp. 61–68, ISBN 978-3-642-29733-5 (Print) 978-3-642-29734-2 (Online), Springer 2012 (available online: doi: 10.1007/978-3-642-29734-2_9).

B5. K. Marias, V. Sakkalis, N. Graf, "A framework for multi-modal imaging biomarker extraction with application to brain MRI", Data Mining for Biomarker Discovery, Springer Optimization and Its Applications, Springer New York/Vienna, Ed. by P.M. Pardalos, et al., Vol. 65, pp. 91-116, 2012, ISBN 978-1-4614-2106-1 (Print) 978-1-4614-2107-8 (Online), (available online: doi: 10.1007/978-1-4614-2107-8_6).

B4. V. Sakkalis and M. Zervakis, "Methodological Framework for EEG Feature Selection based on spectral and temporal profiles", Computational Neuroscience, Springer Optimization and Its Applications series, Vol. 38, Ed. by Chaovalitwongse Wanpracha et al., ISBN: 978-0-387-88629-9, Springer New York/Vienna, 2010.

B3. V. Sakkalis and M. Zervakis, "Linear and Nonlinear Synchronization Analysis and Visualization during Altered States of Consciousness", Recent Advances in Biomedical Engineering, Ed. by Ganesh R Naik, IN-TECH, Vienna, 2010, ISBN 978-953-307-004-9.

B2. T. Oikonomou, V. Sakkalis, I. Tollis, and S. Micheloyannis, "Searching and Visualizing Brain Networks in Schizophrenia" in: Biological and Medical Data Analysis, Lecture Notes in Computer Science, Ed. by N. Maglaveras, I. Chouvarda, V. Koutkias and R. Brause, Vol. 4345, pp. 172-182, Springer Berlin/ Heidelberg, 2006, ISBN: 978-3-540-68063-5.

B1. A. Kouroubali, V. Sakkalis, C. Chronaki, M. Tsiknakis, “eChallenges in the Implementation of eHealth Services Over a Hybrid Network Architecture: the case of eLearning” in: Exploiting the Knowledge Economy: Issues, Applications, Case Studies, Paul Cunningham and Miriam Cunningham (Eds), IOS Press 2006, ISBN: 1-58603-682-3.

Refereed Magazine Articles

A4. EG. Spanakis and V. Sakkalis, "Resilient Network services for critical mHealth applications over 5G Mobile Network Technologies", European Research Consortium for Informatics and Mathematics ERCIM News, No. 118, pp. 43-45, 2018.

A3. C. Farmaki and V. Sakkalis, "Low Cost brain-Controlled telepresence Robot: A brain-Computer Interface for Robot Car Navigation", European Research Consortium for Informatics and Mathematics ERCIM News, No. 114, pp. 42-43, 2018.

A2. A. Roniotis, K. Marias, and V. Sakkalis, "Modelling the Growth of a Malignant Brain Tumour", European Research Consortium for Informatics and Mathematics ERCIM News, No. 81, pp. 21-22, 2010.

A1. V. Sakkalis and I. Tollis, "Modelling the Pathophysiological Human Brain Function", European Research Consortium for Informatics and Mathematics ERCIM News, No. 69, pp. 13-14, 2007.

Popular Science Articles

OA7. E. Spanakis and V. Sakkalis, In Greek: «Τα ψηφιακά δεδομένα των πολιτών» - In English: “Digital Information of the Citizen”, The Economist (Kathimerini), No. 106, pp. 39, December 2012.

OA6. X. Zampoulis, A. Triantafyllou, P. Karamaounas, V. Sakkalis, K. Marias, S Douma and Ch. Zampoulis, In Greek: «Τα μάτια (και το δέρμα) λένε την αλήθεια» - In English: “Eyes (and skin) tell the truth”, The Economist (Kathimerini), No. 101, pp. 35, July, 26, 2012.

OA5. V. Sakkalis and K. Marias, In Greek: «Κακόβουλοι ή ευεργετικοί οι ιοί στους υπολογιστές;» - In English: “Could computer viruses be beneficial?”, The Economist (Kathimerini), No. 97, pp. 34-35, March, 29, 2012.

OA4. V. Sakkalis and G. Zacharioudakis, In Greek: «Ένας ηλεκτρονικός φύλακας-άγγελος» - In English: “Electronic guarding angel”, The Economist (Kathimerini), No. 94, pp. 34-35, December, 29, 2011.

OA3. V. Sakkalis and K. Lakiotaki, In Greek: “«Παράλογη» ή μήπως ορθολογική και αναμενόμενη η συμπεριφορά μας;" – In English: “Human behavior: Rational or irrational?”, The Economist (Kathimerini), No. 90, pp. 54-55, July, 28, 2011.

OA2. V. Sakkalis, In Greek: “Σύγχρονοι προφήτες στους φακέλους υγείας!”, - In English: "Genes: Modern Prophets in a Health Record!", The Economist (Kathimerini), Section Topic: "Genomic Information Management", No. 65, pp. 20-22, June, 25, 2009.

OA1. V. Sakkalis, In Greek: “Μπορούμε να κρατήσουμε τη μοίρα στα χέρια μας;” - In English: "Wireless Biosensors: Do we hold fate in our hands?", The Economist (Kathimerini), Section Topic: "Wireless Future", No. 43, pp. 18-19, September, 27, 2007.

Conferences (full-paper reviewed)

C95. M. Papadogiorgaki, M. Venianaki, P. Charonyktakis, M. Antonakakis, I. Tsamardinos, M. Zervakis, and V. Sakkalis, "Heart Rate Classification Using ECG Signal Processing and Machine Learning Methods", 21st International Conference on BioInformatics and BioEngineering (BIBE 2021), Kragujevac, Serbia, October 25-27, 2021.

C94. M. Antonakakis, K. Politof, G. Klados, G. Sdoukopoulou, S. Schiza, M. Papadogiorgaki, C. Farmaki, M. Pediaditis, M. Zervakis, and V. Sakkalis, "A New Multi-feature Classification Scheme for Normal and Abnoral Respiratory Sounds Classification", 21st International Conference on BioInformatics and BioEngineering (BIBE 2021), Kragujevac, Serbia, October 25-27, 2021.

(Best Paper Award: : http://www.bibe2021.kg.ac.rs)

C93. M. Krana, C. Farmaki, M. Pediaditis, and V. Sakkalis, “SSVEP based Wheelchair Navigation in Outdoor Environments,” 43rd IEEE-EMBS, Engineering in Medicine and Biology Society (EMBC 2021), Virtual, October 31-November 4, 2021.

C92. M. Pediaditis, EG. Spanakis, G. Zacharakis, and V. Sakkalis, “Cuff-Less Blood Pressure Estimation Using Wrist Photoplethysmography,” 43rd IEEE-EMBS, Engineering in Medicine and Biology Society (EMBC 2021), Virtual, October 31-November 4, 2021.

C91. S. Sfakianakis, EG. Spanakis, P. Mari, I. Tesfai Ogbu, M. Bossini Baroggi, S. Magalini, and V. Sakkalis “PANACEA resilient and secure toolkit for healthcare infrastructures,” 43rd IEEE-EMBS, Engineering in Medicine and Biology Society (EMBC 2021), Virtual, October 31-November 4, 2021.

C90. EG. Spanakis, and V. Sakkalis “Resilient Healthcare Communications using Delay Tolerant Proxy Services,” IEEE International Conference on Imaging Systems & Techniques (IST 2021), Virtual, May 4-6, 2021.

C89. G. Sdoukopoulou, M. Antonakakis, S. Rampp, V. Sakkalis, J. Wellmer, C.H. Wolters, and M. Zervakis “Cluster-based Combined EEG/MEG Source Analysis of High Frequency Oscillatory Activity from a Multi-Focal Epilepsy Case,” 10th IEEE/EMBS Conference on Neural Engineering (NER 2021), May 4-6, 2021.

C88. S. Sfakianakis, EG. Spanakis, P. Mari, I. Tesfai Ogbu, M. Bossini Baroggi, S. Magalini, and V. Sakkalis “PANACEA resilient and secure toolkit for healthcare infrastructures,” 43rd IEEE-EMBS, Engineering in Medicine and Biology Society (EMBC 2021), October 31-November 4, 2021 (accepted, to appear).C88. EG. Spanakis, S. Bonomi, S. Sfakianakis, G. Santucci, L. Simone; M. Sorella, FD. Tanasache, A. Palleschi, C. Ciccotelli, V. Sakkalis, S. Magalini, “Cyber-attacks and threats for healthcare – a multi-layer thread analysis,” 42nd IEEE-EMBS, Engineering in Medicine and Biology Society (EMBC 2020), Montréal, QC, Canada, July 20-24, 2020.

C87. S. Magalini, D. Gui, P. Mari, M. Merialdo, E. Spanakis, and V. Sakkalis, "Cyberthreats to Hospitals: PANACEA a toolkit for Cybersecurity", Cyber Security of Critical Infrastructure (CYSEC 2020), Dubrovnik, Croatia, April 29-30, 2020.

C86. K. Anastasopoulou, P. Mari, A. Magkanaraki, E.G. Spanakis, M. Merialdo, V. Sakkalis, and S. Magalini., "Public and Private Healthcare Organisations: a socio-technical model for identifying cybersecurity aspects", ICEGOV 2020: Proceedings of the 13th International Conference on Theory and Practice of Electronic Governance, pp. 168–175, https://doi.org/10.1145/3428502.3428525 (ICEGOV 2020), Athens, Greece, April 1-3, 2020.

C85. V. Sakkalis, M. Pediaditis, and S. Sfakianakis, "Towards an unobtrusive baby monitoring system for real-time detection of possibly hazardous situations", IEEE International Conference on Imaging Systems & Techniques (IST 2019), Abu Dhabi, UAE, December 8-10, 2019.

C84. C. Farmaki, M. Krana, M. Pediaditis, EG. Spanakis, V. Sakkalis, "Single-channel SSVEP-based BCI for robotic car navigation in real world conditions", 19th International Conference on BioInformatics and BioEngineering (BIBE 2019), Athens, Greece, October 28-30, 2019.

C83. EG. Spanakis, M. Psaraki, and V. Sakkalis “Congestive Heart Failure Risk Assessment Monitoring through Internet of things and mobile Personal Health Systems,” 40th IEEE-EMBS, Engineering in Medicine and Biology Society (EMBC 2018), Honolulu, HI, USA, July 18-21, 2018.

C82. SE. Psycharakis, E. Liapis, A. Zacharopoulos, ME. Oraiopoulou, J. Papamatheakis, V. Sakkalis, and G. Zacharakis “High resolution volumetric imaging of primary and secondary tumor spheroids using multi-angle Light Sheet Fluorescence Microscopy (LSFM),” 40th IEEE-EMBS, Engineering in Medicine and Biology Society (EMBC 2018), Honolulu, HI, USA, July 18-21, 2018.

C81. M. Spanakis, S. Sfakianakis, E.G. Spanakis, G. Kallergis, and V. Sakkalis “PDCA: An eHealth service for the management of drug interactions with complementary and alternative medicines,” IEEE Conference on Biomedical and Health Informatics (BHI 2018), Las Vegas, Nevada, USA, 4-7 March 2018.

C80. K. Giannakaki, G. Giannakakis, C. Farmaki, and V. Sakkalis “Emotional state recognition using advanced machine learning techniques on EEG data,” 30th IEEE CBMS 2017, International Symposium on Computer-Based Medical Systems (CBMS 2017), Thessaloniki, Greece, June 22-24, 2017.

C79. G. Tzedakis, E. Liapis, E. Tzamali, G. Zacharakis, and V. Sakkalis “A hybrid discrete-continuous model of in vitro spheroid tumor growth and drug response,” 38th IEEE-EMBS, Engineering in Medicine and Biology Society (EMBC 2016), Orlando, USA, August 16-20, 2016.

C78. C. Farmaki, G. Christodoulakis, and V. Sakkalis “Applicability of SSVEP-based BCIs for robot navigation in real environments,” 38th IEEE-EMBS, Engineering in Medicine and Biology Society (EMBC 2016), Orlando, USA, August 16-20, 2016.

C77. M. Spanakis, EG. Spanakis, H. Kondylakis, S. Sfakianakis, I. Genitsaridi, V. Sakkalis, M. Tsiknakis, and K. Marias “Addressing drug-drug and drug-food interactions through personalized empowerment services for healthcare,” 38th IEEE-EMBS, Engineering in Medicine and Biology Society (EMBC 2016), Orlando, USA, August 16-20, 2016.

C76. E. Kontopodis, I. Karatzanis, V. Sakkalis, FM. Buffa, and K. Marias “A DCE-MRI analysis workflow,” 33rd International Conference on Computer Graphics (CGI 2016), Heraklion, Crete, Greece, June 28-July 1, 2016.

C75. C. Thermolia, ES. Bei, EGM. Petrakis, V. Kritsotakis, and V. Sakkalis, “An ontological-based monitoring system for patients with bipolar I disorder,” 2015 International Conference on Biomedical Engineering and Computational Technologies (SIBIRCON), Novosibirsk, Russia, Oct 28-30, 2015.

C74. C. Thermolia, ES. Bei, EGM. Petrakis, V. Kritsotakis, M. Tsiknakis, and V. Sakkalis, “Designing A Patient Monitoring System for Bipolar Disorder Using Semantic Web Technologies,” 37th IEEE-EMBS, Engineering in Medicine and Biology Society (EMBC 2015), Milan, Italy, August 25-29, 2015.

C73. H. Kondylakis, EG. Spanakis, SG. Sfakianakis, V. Sakkalis, M. Tsiknakis, K. Marias, Z. Xia, HQ. Yu, and FV. Dong, “Digital Patient: Personalized and Translational Data Management through the MyHealthAvatar EU Project,” 37th IEEE-EMBS, Engineering in Medicine and Biology Society (EMBC 2015), Milan, Italy, August 25-29, 2015.

C72. D. Makri, C. Farmaki, and V. Sakkalis, “Visual fatigue effects on Steady State Visual Evoked Potential-based Brain Computer Interfaces,” 35th IEEE-EMBS, Neural Engineering Conference (NER'15), Montpellier, France, April 22-24, 2015.

C71. G. Tzedakis, G. Grekas, E. Tzamali, K. Marias, and V. Sakkalis, "The Importance of Grid Size and Boundary Conditions in Discrete Tumor Growth Modeling", 6th International Advanced Research Workshop on In Silico Oncology and Cancer Investigation, Athens, Greece, November 3-4, 2014.

C70. I. Karatzanis, A. Iliopoulos, M. Tsiknakis, V. Sakkalis, and K. Marias, "A collaborative central reviewing platform for cancer detection in digital microscopy images", 6th International Advanced Research Workshop on In Silico Oncology and Cancer Investigation, Athens, Greece, November 3-4, 2014.

C69. G.Stamatakos, D. Dionysiou, F. Misichroni, N. Graf, S. Gool, R. Bohle, F. Dong, M. Viceconti, K. Marias, V. Sakkalis, et al., "Computational Horizons In Cancer (CHIC): Developing Meta- and Hyper-Multiscale Models and Repositories for In Silico Oncology – a Brief Technical Outline of the Project", 6th International Advanced Research Workshop on In Silico Oncology and Cancer Investigation, Athens, Greece, November 3-4, 2014.

C68. E. Tzamali, G. Tzedakis, K. Marias, G. Zacharakis, A. Zacharopoulos, and V. Sakkalis “Simulating cancer behavior based on in silico modeling and in vivo molecular imaging approaches: Prospects and limitations,” IEEE International Conference on Imaging Systems & Techniques (IST), Santorini, Greece, October 14-17, 2014.

C67. E. Spanakis, D. Kafetzopoulos, P. Yang, K. Marias, Z. Deng, K., M. Tsiknakis, V. Sakkalis, and F. Dong, “MyHealthAvatar: personalized and empowerment health services through Internet of Things technologies,” 4th International Conference on Wireless Mobile Communication and Healthcare (Mobihealth), Athens, Greece, November 3-5, 2014 (available online: DOI: 10.1109/MOBIHEALTH.2014.7015978).

C66. M. Spanakis, E. Papadaki, D. Kafetzopoulos, A. Karantanas, T.G. Maris, V. Sakkalis, and K. Marias, "Exploitation of patient avatars towards stratified medicine through the development of in silico clinical trials approaches", 13^th IEEE International Conference on BioInformatics and BioEngineering, Chania, Greece, November 10-13, 2013.

C65. V. Sakkalis, G. Giannakakis, C. Farmaki, A. Mousas, M. Pediaditis, P. Vorgia, and M. Tsiknakis, “Absence Seizure Epilepsy Detection using linear and nonlinear EEG analysis methods,” 35^th IEEE-EMBS, Engineering in Medicine and Biology Society (EMBC 2013), Osaka, Japan, July 3-7, pp. 6333-6336, 2013.

C64. G. Giannakakis, V. Sakkalis, M. Pediaditis, C. Farmaki, P. Vorgia, and M. Tsiknakis, “An Approach to Absence Epileptic Seizures Detection Using Approximate Entropy,” 35^th IEEE-EMBS, Engineering in Medicine and Biology Society (EMBC 2013), Osaka, Japan, July 3-7, pp. 413-416, 2013.

C63. E. Tzamali, R. Favicchio, A. Roniotis, G. Tzedakis, G. Grekas, J. Ripoll, K. Marias, G. Zacharakis, and V. Sakkalis, “Employing in-vivo Molecular Imaging in Simulating and Validating Tumor Growth,” 35^th IEEE-EMBS, Engineering in Medicine and Biology Society (EMBC 2013), Osaka, Japan, July 3-7, pp. 5533-5536, 2013.

C62. V. Sakkalis, S. Sfakianakis, K. Marias "Bridging social media technologies and scientific research: an exemplary platform for VPH modelling", 3rd International ICST Conference on Wireless Mobile Communication and Healthcare (MobiHealth 2012), Paris, France, November 21-23, 2012.

C61. E. Tzamali, V. Sakkalis, K. Marias, "The effects of near optimal growth solutions in genome-scale human cancer metabolic model", 12th International Conference on BioInformatics and BioEngineering, Larnaca, Cyprus, November 11-13, pp. 626-631, 2012.

C60. J. Zepp, N. Graf, I. Karatzanis, H. Stenzhorn, G. Manikis, V. Sakkalis, k. Marias, W. Reith, and G. Stamatakos, "An innovative mathematical analysis of routine MRI scans in patients with glioblastoma using DoctorEye", 12th International Conference on BioInformatics and BioEngineering, Larnaca, Cyprus, November 11-13, pp. 620-625, 2012.

C59. S. Sfakianakis, V. Sakkalis, K. Marias, "Scientific Workflows to support in silico modeling in Cancer Research", 5th International Advanced Research Workshop on In Silico Oncology and Cancer Investigation, Athens, Greece, October 22-23, 2012.

C58. A. Roniotis, V. Sakkalis, E. Tzamali, G. Tzedakis, M. Zervakis, K. Marias, "Solving the PIHNA model while accounting for radiotherapy", 5th International Advanced Research Workshop on In Silico Oncology and Cancer Investigation, Athens, Greece, October 22-23, 2012.

C57. G. Tzedakis, E. Tzamali, V. Sakkalis, A. Roniotis, K. Marias, "Hybrid Model for Tumor Spheroids with Intratumoral Oxygen Supply Heterogeneity", 5th International Advanced Research Workshop on In Silico Oncology and Cancer Investigation, Athens, Greece, October 22-23, 2012.

C56. R. David, N. Graf, I. Karatzanis, H. Stenzhorn, G. C. Manikis, V. Sakkalis, G. S. Stamatakos, K. Marias, "Clinical Evaluation of DoctorEye Platform in Nephroblastoma", 5th International Advanced Research Workshop on In Silico Oncology and Cancer Investigation, Athens, Greece, October 22-23, 2012.

C55. V. Sakkalis, G. Manikis, N. Papanikolaou, I. Karatzanis, K. Marias, “A software prototype for the Assessment of Tumor Treatment Response using diffusion and perfusion MR imaging,” 34^th IEEE-EMBS, Engineering in Medicine and Biology Society (EMBC 2012), San Diego, USA, August 28-September 1, pp. 388-91, 2012.

C54. V. Sakkalis, S. Sfakianakis, K. Marias, G. Stamatakos, F. Misichroni, D. Dionysiou, S. McKeever, D. Johnson, T.S. Deisboeck, and N. Graf, "The TUMOR Project: Integrating Cancer Model Repositories for Supporting Predictive Oncology", 2^nd Virtual Physiological Human Conference (VPH2012), London, UK, September 18-20, 2012.

C53. S. Sfakianakis, V. Sakkalis, K. Marias, G. Stamatakos, S. McKeever, T. Deisboeck, and N. Graf, “An architecture for integrating cancer model repositories,” 34^th IEEE-EMBS, Engineering in Medicine and Biology Society (EMBC 2012), San Diego, USA, August 28-September 1, pp. 6628-31, 2012.

C52. S. Kartakis, P. Tourlakis, V. Sakkalis, G. Zacharioudakis and C. Stephanidis, "Enhancing the patient experience through Ambient Intelligence applications in health care", V International Symposium on Ubiquitous Computing and Ambient Intelligence (UCAmI’11), Riviera Maya (México), December 5-9, 2011.

C51. G. Manikis, V. Sakkalis, X. Zampoulis, P. Karamaounas, A. Triantafyllou, S. Douma, Ch. Zamboulis, and K. Marias, "An Image Analysis Framework for the early assessment of Hypertensive retinopathy signs", International Conference on e-Health and Bioengineering (EHB 2011), Iaşi, Romania, 24-26 November, 2011.

(Best Paper Award: http://www.ekt.gr/content/display?prnbr=84393)

C50. G. Manikis, D. Emmanouilidou, V. Sakkalis, N. Graf and K. Marias, "A Fully Automated Image Analysis Framework for Quantitative Assessment of Temporal Tumor Changes", International Conference on e-Health and Bioengineering (EHB 2011), Iaşi, Romania, 24-26 November, 2011.

C49. A. Hristoskova, V. Sakkalis, G. Zacharioudakis, M. Tsiknakis and F. De Turck, "Ontology-driven Monitoring of Patient Vital Signs enabling Personalized Medical Detection and Alert", 2nd International ICST Conference on Wireless Mobile Communication and Healthcare (MobiHealth 2011), Kos Island, Greece, 5-7 October, 2011.

C48. I. Basdekis, V. Sakkalis and C. Stephanidis, "Towards an Accessible Personal Health Record", 2nd International ICST Conference on Wireless Mobile Communication and Healthcare (MobiHealth 2011), Kos Island, Greece, 5-7 October, 2011.

C47. K. Marias, G. Stamatakos, D. Dionysiou, V. Sakkalis, S. Sfakianakis and M. Tsiknakis, "Computational Services for in silico Oncology: Experiences and Research Challenges", 7th GRACM International Congress on Computational Mechanics, Athens, Greece, 30 June – 2 July, 2011.

C46. C. Farmaki, K. Mavrigiannakis, K. Marias, M. Zervakis, and V. Sakkalis, "Assessment of Automated Brain Structures Segmentation based on the Mean-shift Algorithm Application in Brain Tumor", Information Technology Applications in Biomedicine (IEEE-ITAB 2010), Corfu, Greece, November 3-5, 2010.

C45. G. Stamatakos, D. Dionysiou, S. Giatili, E. Kolokotroni, E. Georgiadi, A. Roniotis, V. Sakkalis, et al., "ContraCancrum at the project level: The ContraCancrum Oncosimulation: Integrating Biomechanisms Across Scales in the Clinical Context", 4th International Advanced Research Workshop on In Silico Oncology and Cancer Investigation, Athens, Greece, September 8-9, 2010.

C44. J. Zepp, N. Graf, E. Skounakis, R. Bohle, E. Meese, H. Stenzhorn, Y.-J. Kim, C. Farmaki, V. Sakkalis, W. Reith, G. Stamatakos, and K. Marias, "Tumor Segmentation: The impact of standardized signal intensity histograms in glioblastoma", 4th International Advanced Research Workshop on In Silico Oncology and Cancer Investigation, Athens, Greece, September 8-9, 2010.

C43. V. Sakkalis, V. Tsiaras, M. Zervakis, and I. Tollis, "EEG Biomarker identification using Graph Theoretic concepts", International Conference on Biomedical Data & Knowledge Mining: Towards Biomarker Discovery, Chania, Greece, July 7-9, 2010.

C42. V. Sakkalis, A. Roniotis, C. Farmaki, I. Karatzanis, and K. Marias, "Evaluation framework for the multilevel macroscopic models of solid tumor growth in the glioma case", 32nd IEEE-EMBS, Engineering in Medicine and Biology Society (EMBC 2010), Buenos Aires, Argentina, August 31-September 4, 2010.

C41. A. Roniotis, K. Marias, V. Sakkalis, and G. Stamatakos, "Comparing Finite Elements and Finite Differences for developing Diffusive Models of glioma growth", 32nd IEEE-EMBS, Engineering in Medicine and Biology Society (EMBC 2010), Buenos Aires, Argentina, August 31-September 4, 2010.

C40. A. Roniotis, K. Panourgias, J. Ekaterinaris, K. Marias, and V. Sakkalis, "Approximating the diffusion – reaction equation for developing glioma models for the ContraCancrum Project: a showcase", 4th International Advanced Research Workshop on In Silico Oncology and Cancer Investigation, Athens, Greece, September 8-9, 2010.

C39. K. Marias, V. Sakkalis, et al., "ContraCancrum at the project level: Clinically Oriented Translational Cancer Multilevel Modelling", 4th International Advanced Research Workshop on In Silico Oncology and Cancer Investigation, Athens, Greece, September 8-9, 2010.

C38. K. Marias, V. Sakkalis, et al., "ContraCancrum: Clinically Oriented Translational Cancer Multilevel Modelling", 1^st Virtual Physiological Human Conference (VPH2010), Brussels, Belgium, September 30-October 1, 2010.

C37. A. Roniotis, V. Sakkalis, G. Stamatakos, M. Zervakis, and K. Marias, "Glioma diffusive modeling: Calculating diffusion coefficients from atlases with proportional tissue information", 4th International Advanced Research Workshop on In Silico Oncology and Cancer Investigation, Athens, Greece, September 8-9, 2010.

C36. V. Sakkalis, K. Marias, A. Roniotis, and E. Skounakis "Translating cancer research into clinical practice: A framework for analyzing and modeling cancer from imaging data", 9^th International Conference on Intelligent Systems Design and Applications (ISDA 2009), Pisa, Italy, November 30-December 2, 2009.

C35. F. Chiarugi, I. Karatzanis, V. Sakkalis, I. Tsamardinos, Th. Dermitzaki., M. Foukarakis, and G. Vrouchos, "Predicting the Occurrence of Acute Hypotensive Episodes: The PhysioNet Challenge", Computers in Cardiology 2009 (CinC 2009), Park City, Utah, USA, September 13-16, 2009.

C34. E. Skounakis, V. Sakkalis, K. Marias, K. Banitsas, and N. Graf, "DoctorEye: A multifunctional open platform for fast annotation and visualization of tumors in medical images", 31st IEEE-EMBS, Engineering in Medicine and Biology Society (EMBC 2009), Minessota, USA, September 2-6, 2009.

C33. C. Farmaki, K. Marias, V. Sakkalis, and N. Graf, "A spatially adaptive active contour method for improving semi-automatic medical image annotation", 11^thInternational Congress of the IUPESM, World Congress 2009, Medical Physics and Biomedical engineering, (WC 2009), Munich, Germany, September 7-12, 2009.

C32. K. Marias, V. Sakkalis, et al., "Clinically Oriented Translational Cancer Multilevel Modeling: The ContraCancrum project", 11^th International Congress of the IUPESM, World Congress 2009, Medical Physics and Biomedical engineering, (WC 2009), Munich, Germany, September 7-12, 2009.

C31. A. Roniotis, K. Marias, V. Sakkalis, and G. Stamatakos "The mathematical path to develop a heterogeneous, anisotropic and 3-dimensional glioma model using Finite Differences", Information Technology Applications in Biomedicine (IEEE-ITAB 2009), Larnaca, Cyprus, November 5-7, 2009.

C30. V. Iordanidou, K. Michalopoulos, V. Sakkalis, and M. Zervakis, "Decomposition methods for detailed analysis of content in ERP recordings", 19th International Conference on Artificial Neural Networks (ICANN 2009), Limassol, Cyprus, September 14-17, 2009.

C29. K. Michalopoulos, V. Sakkalis, V. Iordanidou, and M. Zervakis, "Activity detection and causal interaction analysis among independent EEG components from memory related tasks", 31st IEEE-EMBS, Engineering in Medicine and Biology Society (EMBC 2009), Minessota, USA, September 2-6, 2009.

C28. A. Kouroubali, V. Sakkalis, B. Vissers, D. Manousos, and I. Tollis, "eLearning for Basic Life Support CPR knowledge for Citizens", eChallenges (e-2009), Istanbul, Turkey, October 21-23, 2009.

C27. A. Roniotis, K. Marias, V. Sakkalis, G.D. Tsibidis, and M. Zervakis, "A complete mathematical study of a 3D model of heterogeneous and anisotropic glioma evolution", 31st IEEE-EMBS, Engineering in Medicine and Biology Society (EMBC 2009), Minessota, USA, September 2-6, 2009.

C26. V. Sakkalis, K. Marias, and G. Stamatakos, "Clinical data driven in silico tumor growth and therapy modeling", Data Mining in Biomedicine (DMINBIO ’09), Athens Information Technology, Paiania, Greece, 7-8 May, 2009.

C25. V. Sakkalis, V. Tsiaras, K. Michalopoulos, and M. Zervakis, "Assessment of neural dynamic coupling and causal interactions between independent EEG components from cognitive tasks using linear and nonlinear methods", 30th IEEE-EMBS, Engineering in Medicine and Biology Society (EMBC 2008), Vancouver, Canada, August 20-24, 2008.

C24. M. Andersson, V. Sakkalis, J. Ripoll, V. Ntziachristos, and K. Marias, "3D Multi-Modal Registration for Assessing Molecular Activity Changes in Time-Dependent Geometries", 30th IEEE-EMBS, Engineering in Medicine and Biology Society (EMBC 2008), Vancouver, Canada, August 20-24, 2008.

C23. V. Tsiaras, I. Tollis, and V. Sakkalis, "Brain Network Analyzer", 16 Int. Symp. On Graph Drawing, (GD 2008), Heraklion, Crete, Greece, September 21-24, 2008.

C22. F. Chiarugi, V. Sakkalis, D. Emmanouilidou, T. Krontiris, M. Varanini, and I. Tollis, "Adaptive Threshold QRS Detector with Best Channel Selection Based on a Noise Rating System", Computers in Cardiology 2007 (CinC 2007), Durham, North Carolina, USA, 30 Sep-3 Aug, 2007.

C21. V. Sakkalis, V. Tsiaras, M. Zervakis, and I. Tollis, "Optimal brain network synchrony visualization: Application in an alcoholism paradigm", 29th IEEE-EMBS, Engineering in Medicine and Biology Society (EMBC 2007), Lyon, France, August 23-26, 2007.

C20. P. Ktonas, S. Golemati, P. Xanthopoulos, V. Sakkalis, M.D. Ortigueira, H. Tsekou, M. Zervakis, T. Paparrigopoulos, and C.R. Soldatos, "Potential dementia biomarkers based on the time-varying microstructure of sleep EEG spindles", 29th IEEE-EMBS, Engineering in Medicine and Biology Society (EMBC 2007), Lyon, France, August 23-26, 2007.

C19. P. Ktonas, S. Golemati, P. Xanthopoulos, V. Sakkalis, M. D. Ortigueira, H. Tsekou, M. Zervakis, T. Paparrigopoulos, and C. R. Soldatos, "Model-based quantification of the time-varying microstructure of sleep eeg spindles: possibility for eeg-based dementia biomarkers", 3rd International Conference on Computational Intelligence in Medicine and Healthcare (CIMED), Plymouth, England, 25-27 July 2007.

C18. T. Oikonomou, V. Sakkalis, I. Tollis, and S. Micheloyannis, "Searching and Visualizing Brain Networks in Schizophrenia", 7th International Symposium on Biological and Medical Data Analysis (ISBMDA 2006), Thessaloniki, Greece, December 7-8, 2006.

C17. V. Sakkalis, T. Oikonomou, E. Pachou, I. Tollis, S. Micheloyannis, and M. Zervakis, "Time-significant Wavelet Coherence for the Evaluation of Schizophrenic Brain Activity using a Graph theory approach", 28th IEEE-EMBS, Engineering in Medicine and Biology Society (EMBC 2006), New York, USA, August 30-Sept. 3, 2006.

C16. P. Xanthopoulos, S. Golemati, V. Sakkalis, P.Y. Ktonas, M. Zervakis, and C.R. Soldatos, "Modeling the time-varying microstructure of simulated sleep EEG spindles using time-frequency analysis methods", 28th IEEE-EMBS, Engineering in Medicine and Biology Society (EMBC 2006), New York, USA, August 30-Sept. 3, 2006.

C15. V. Sakkalis, M. Zervakis, C. Bigan, T. Cassar, K.P. Camilleri, S.G. Fabri, and Sifis Micheloyannis, "Validation of time-frequency and ARMA feature extraction methods in classification of mild epileptic signal patterns", Information Technology Applications in Biomedicine (IEEE-ITAB 2006), Ioannina - Epirus, Greece, October 26-28, 2006.

C14. V. Sakkalis, C.D.Giurcăneanu, P. Xanthopoulos, M. Zervakis, Y. Yang, and S. Micheloyannis, "Assessment of linear and non-linear EEG synchronization measures for evaluating mild epileptic signal patterns", Information Technology Applications in Biomedicine (ITAB 2006), Ioannina - Epirus, Greece, October 26-28, 2006.

C13. P. Xanthopoulos, S. Golemati, V. Sakkalis, P.Y. Ktonas, M.D. Ortigueira, M. Zervakis, T. Paparrigopoulos, X.Tsekou, and C.R. Soldatos, "Comparative analysis of time-frequency methods estimating the time-varying microstructure of sleep EEG spindles", Information Technology Applications in Biomedicine (ITAB 2006), Ioannina - Epirus, Greece, October 26-28, 2006.

C12. E. Pachou, T. Oikonomou, V. Sakkalis, et al., "Using graph theoretical methods to evaluate EEG signals in schizophrenia", Joint Workshop On BIOPATTERN Analysis In Brain Diseases, Goteborg, Sweden, May 18-19, 2006.

C11. C. Bigan, M. Besleaga, M. Zervakis, V. Sakkalis, K. Michalopoulos, M. Woolfson, M. Ortigueira, A. Batista, R. Rato, M. Righi, U. Barcaro, A. Starita, K.P. Camilleri, S.G. Fabri, J. Muscat, R. Grech, and T. Cassar, "EEG signal pre-processing for segmentation into significant regions, major artefacts removal, and uncertainty reduction in epileptic seizure characterization", Joint Workshop On BIOPATTERN Analysis In Brain Diseases, Goteborg, Sweden, May 18-19, 2006.

C10. P. Xanthopoulos, S. Golemati, V. Sakkalis, P.Y. Ktonas, M.D. Ortigueira, M. Zervakis, T. Paparrigopoulos, X. Tsekou, and C.R. Soldatos, "Modeling the time-varying microstructure of sleep EEG spindles using time-frequency analysis methods", Joint Workshop On BIOPATTERN Analysis In Brain Diseases, Goteborg, Sweden, May 18-19, 2006.

C9. V. Sakkalis, M. Zervakis, C. Bigan, T. Cassar, K.P. Camilleri, S.G. Fabri, and S. Micheloyannis, "EEG feature extraction and selection methods using wavelets and ARMA model for classifying mild epileptic signal patterns", Joint Workshop On BIOPATTERN Analysis In Brain Diseases, Goteborg, Sweden, May 18-19, 2006.

C8. S. Erimaki, K. Kanatsouli, E. Karakonstandaki, M. Vourkas, V. Sakkalis, and S. Micheloyannis, “EEG Responses To Complex Fractal Stimuli”, 2 ^nd International Nonlinear Science Conference, Heraklion, Crete, Greece March 10-12, 2006.

C7. V. Sakkalis, M. Zervakis, S. Erimaki, and S. Micheloyannis, "Evaluation of Electroencephalographic Activity involved in Mathematical thinking using Wavelet Analysis and Significance-Based Features", 2nd International Conference on Computational Intelligence in Medicine and Healthcare (CIMED), Lisbon, PORTUGAL, June 2005.

C6. V. Sakkalis, M. Zervakis, and S. Micheloyannis, "Biopattern Initiative: towards the Development and Integration of Next-Generation Information Fusion Approaches", 26th IEEE-EMBS - Annual International Conference of the IEEE Engineering in Medicine and Biology Society, San Fransisco, CA, USA, September 2004.

C5. V. Sakkalis, M. Zervakis, and S. Micheloyannis, "Evaluation of EEG Power Spectrum Measures using Fourier and Wavelet based Transformation Techniques as a Function of Task Complexity", EWADB 2004 - 1st European Workshop on the Assessment of Diagnostic Performance, Milan, ITALY, July 2004.

C4. V. Sakkalis, F. Chiarugi, S. Kostomanolakis, C.E. Chronaki, M. Tsiknakis and S.C. Orphanoudakis, "A Gateway between the SCP-ECG and the DICOM Supplement 30 Waveform Standard", Computers in Cardiology, Chalkidiki, GREECE, September 2003.

C3. S. Kostomanolakis, G. Kavlentakis, V. Sakkalis, C.E. Chronaki, M. Tsiknakis and S.C. Orphanoudakis “Seamless Integration of Healthcare Processes related to Image Management and Communication in Primary Healthcare Centers”, Proceedings of the 18^th international Conference EuroPACS 2000, Graz, Austria books@ocg.at BAND 144 pp. 126-132 (2000).

C2. G. Zacharakis, V. Sakkalis, G. Filippidis, A. Zolindaki, E. Koumantakis, T.G. Papazoglou, “In vitro optical characterization of female breast tissue with near infrared fsec laser pulses” Series of the International Society on Optics Within Life Science (OWLS) Volume V Springer - Verlag, Berlin, Heidelberg pp. 294-296 (2000).

C1. Κ. Γεωργίου, Ν. Δαλαμάγκας, Π. Καραβίτη, Β. Σακκαλής. Ε. Τριανταφύλλου, Γ. Νεοφώτιστος, "Πειραματισμός με τη χρήση του Παγκοσμίου ιστού στα πλαίσια του μαθήματος 'Διαφορικές Εξισώσεις Ι' του Φυσικού Τμήματος του Πανεπιστημίου Κρήτης", Πρακτικά της 1ης Παγκρήτιας Ημερίδας Καθηγητών Πληροφορικής "Η Πληροφορική στην Εκπαίδευση", Ηράκλειο 1996.

Conferences (abstracts/ posters)

CA26. M. Tampakaki, ME. Oraiopoulou, E. Tzamali, G. Zacharakis, V. Sakkalis, and J. Papamatheakis, “The effect of pathological developmental pathways in human brain cancer physiology,” 28th meeting of the Hellenic Society for Neuroscience (HSFN 2019), Heraklion, Greece, 4-6 October, 2019.

CA25. M. Tampakaki, ME. Oraiopoulou, V. Sakkalis, A. Vakis, and J. Papamatheakis, “The Physiological Effects of the Promyelocytic Leukemia Protein on the U87MG Glioblastoma cell line,” 33rd Annual Congress of the Hellenic Neurosurgical Society & 4th Congress of Seens Southeast Europe Neurosurgical Society & 13th Annual Neurosurgery Nurses Meeting, Thessaloniki, Greece, 27-30 June, 2019.

CA24. M. Tampakaki, ME. Oraiopoulou, S. Psycharakis, E. Tzamali, V. Sakkalis, G. Zacharakis, and J. Papamatheakis, “The Role of PML in Glioblastoma Physiology,” 4th ESMI Imaging technology summer workshop TOPIM TECH, MAICh-Chania, Greece, 1-6 July, 2019.

CA23. ME. Oraiopoulou, E. Tzamali, S. Psycharakis, E. Parasiraki, G. Tzedakis, AF. Vakis, V. Sakkalis, J. Papamatheakis, and G. Zacharakis “Physiological description of patient-derived Glioblastoma cells using fluorescence imaging,” 4th ESMI Imaging technology summer workshop TOPIM TECH, MAICh-Chania, Greece, 1-6 July, 2019.

CA22. ME. Oraiopoulou, SE. Psycharakis, E. Parasiraki, E. Tzamali, G. Tzedakis, AF. Vakis, V. Sakkalis, J. Papamatheakis, and G. Zacharakis “Light Sheet Fluorescence Microscopy imaging of the Temozolomide-Doxorubicin paradox in Glioblastoma in vitro preclinical drug screening”, 14th European Molecular Imaging Meeting (EMIM), Glasgow, UK, 19-22 March, 2019.

CA21. M. Tampakaki, ME. Oraiopoulou, SE. Psycharakis, E. Tzamali, V. Sakkalis, J Papamatheakis, and G. Zacharakis “Light Sheet Fluorescence Microscopy Imaging of promyelocytic leukemia protein physiologic effects on the U87MG Glioblastoma cell line”, 14th European Molecular Imaging Meeting (EMIM), Glasgow, UK, 19-22 March, 2019.

CA20. S. Psycharakis, ME. Oraiopoulou, E. Liapis, A. Zacharopoulos, J. Papamatheakis, V. Sakkalis and Giannis Zacharakis “Imaging cancer development and therapeutic response on patient-derived live cell organoids using multi-projection light sheet fluorescence microscopy”, World Molecular Imaging Congress, Seattle, WA, USA, 12-15 September, 2018.

CA19. ME. Oraiopoulou, SE. Psycharakis, E. Parasiraki, E. Tzamali, G. Tzedakis, AF. Vakis, V. Sakkalis, J. Papamatheakis, and G. Zacharakis “Light sheet fluorescence microscopy imaging of primary Glioblastoma 3D cultures treated with Temozolomide and Doxorubicin”, 13th European Molecular Imaging Meeting (EMIM), San Sebastian, Spain, 20-23 March, 2018.

CA18. ME. Oraiopoulou, E. Tzamali, G. Tzedakis, E. Liapis, G. Zacharakis, A. Vakis, V. Sakkalis, J. Papamatheakis, “Unforeseen invasive morphology observed in primary Glioblastoma cell line spheroids,” Chemical Biology of Disease Meeting, Heraklion, Greece, 15-18 September, 2017.

CA17. E. Parasiraki, ME. Oraiopoulou, S. Psycharakis, V. Sakkalis, A. Vakis, G. Zacharakis, J. Papamatheakis, “Glioblastoma preclinical drug screening in 2D and 3D primary cultures,” Chemical Biology of Disease Meeting, Heraklion, Greece, 15-18 September, 2017.

CA16. ΜΕ. Ωραιοπούλου, Ε. Τζαμαλή, Ι. Παπαματθαιάκης, Ε. Σακκαλής, Κ. Μανωλίτση, Α. Βάκης, “Νέο μοντέλο ερμηνείας της διηθητικής συμπεριφοράς του Γλοιοβλαστώματος: In Vitro μελέτη,” 31ο Πανελλήνιο Συνέδριο Νευροχειρουργικής, Βόλος, Ελλάδα, 15-17 Ιουνίου, 2017.

CA15. E. Parasiraki, ME. Oraiopoulou, V. Sakkalis, A. Vakis, G. Zacharakis, J. Papamatheakis, “Drug screening in 2D and 3D primary glioblastoma cell cultures: A preliminary study,” 67th Annual Conference of the Hellenic Society of Biochemistry and Molecular Biology (HSBMB), Ioannina, Greece, 25-27 November, 2016.

CA14. ME., Oraiopoulou, S., Psycharakis, E., Tzamali, V. Sakkalis, A. Vakis, J. Papamatheakis, and G. Zacharakis, “Imaging pathophysiologic parameters of primary Glioblastoma spheroids with Light sheet microscopy towards theranostic heuristics,” 11th ETP Nanomedicine Annual Event, Heraklion, Greece, 12-14 Oct, 2016.

CA13. E. Parasiraki, M.E. Oraiopoulou, S. Psycharakis, V. Sakkalis, A. Vakis, G. Zacharakis, J. Papamatheakis, “Comparing primary to cell line glioblastoma cells in 2D and 3D cultures,” EMBO summer workshop, Spetses, Greece, 16-24 August, 2016.

CA12. G. Stamatakos, D. Dionysiou, R. Bohle, S. Gool, L. Solie, F. Dong, N. McFarlane, M. Viceconti, D. Tartarini, K. Marias, V. Sakkalis, et al. “Computational Horizons In Cancer (CHIC): Developing Meta- and Hyper-Multiscale Models and Repositories for In Silico Oncology – Strategies, Systems and Results,” International Conference and Exhibition on Pediatric Oncology and Clinical Pediatrics, Toronto, Ontario, Canada, August 11-13, 2016.

CA11. M.E. Oraiopoulou, S. Avtzi, S. Psycharakis, E. Tzamali, V. Sakkalis, J. Papamatheakis, A. Vakis, and G. Zacharakis “Imaging glioblastoma pathophysiology on animal and 3D cell culture models to improve in silico predictability,” 1st ESMI Imaging technology summer workshop TOPIM TECH, MAICh-Chania, Greece, 10-15 July, 2016.

CA10. Μ. Ωραιοπούλου, Ι. Παπαματθαιάκης, Ι. Ζαχαράκης, Ε. Σακκαλής, Κ. Μανωλίτση, Α. Βάκης, «Παρασκευή Ζωικών Μοντέλων και Πρωτογενών Κυτταροκαλλιεργειών από Ιστολογική Δειγματοληψία Ασθενών με Γλοιοβλάστωμα», 30ο Πανελλήνιο Συνέδριο Νευροχειρουργικής, Βόλος, 16-18 Ιουνίου, 2016 (Winning prize of best free announcement).

CA9. I. Karatzanis, K. Marias, and V. Sakkalis, “Dr Eye,” Abstracts from the 1st Clinical Research Informatics (CRI) Solutions Day 2014, Journal of Clinical Bioinformatics 2015, 5(Suppl 1):S21, 2015.

CA8. M. Spanakis, V. Sakkalis, and K. Marias, “Application of Simcyp® simulator platform for the assessment of the pharmacokinetic profile of Gd-DOTA regarding its disposition in brain tumors lesions with different vasculature,” Abstracts of the Annual Meeting of the Population Approach Group in Europe (PAGE) ISSN 1871-6032, Heraklion, Crete, Greece, June 2-5, 2015.

CA7. M. Spanakis, E. Spanakis, D. Kafetzopoulos, V. Sakkalis, M. Tsiknakis, K. Marias, and F. Dong, “MyHealthAvatar platform: matching real life patients with the generated virtual profiles from in silico clinical trials,” Abstracts of the Annual Meeting of the Population Approach Group in Europe (PAGE) ISSN 1871-6032, Heraklion, Crete, Greece, June 2-5, 2015.

CA6. P. Vorgia, G. Giannakakis, V. Sakkalis, M. Pediaditis, C. Farmaki, S. Voutoufianakis, and M. Tsiknakis,. «Ανίχνευση αφαιρέσεων με χρήση προσεγγιστικής εντροπίας,» 8^ο Πανελλήνιο Συνέδριο Επιληψίας, Θεσσαλονίκη, 18-20 Οκτωβρίου, 2013.

CA5. M. Spanakis, M.E. Oraiopoulou, E. Tzamali, V. Sakkalis, T. Maris, E. Papadaki, A. Karantanas, and K. Marias, “An in silico estimation of the pharmacokinetic profile and the disposition of Gd-DTPA in brain tumor lesions of different vasculature through PBPK models,” 11^th European Association for Neuro-oncology Meeting (EANO 2014), Torino Italy, October 9-12, 2014, Neuro Oncol (2014) 16 (suppl 2): ii85-ii86, 2014.

CA4. R. Favicchio, E. Tzamali, V. Sakkalis, K. Marias, C. Mamalaki, J. Papamatheakis, J. Ripoll, and G. Zacharakis, “Integration of in vivo imaging with in silico growth models predict the distribution of viable cancer cell populations,” World Molecular Imaging Congress, Savannah Georgia, USA, September 18-21, 2013. (To appear also in Molecular Imaging and Biology special issue).

CA3. R. Favicchio, E. Tzamali, V. Sakkalis, K. Marias, C. Mamalaki, J. Papamatheakis, J. Ripoll and G. Zacharakis, “Monitoring tumor growth in vivo with fluorescence molecular tomography; comparison with a predictive in silico model,” European Molecular Imaging Meeting (EMIM 2013), Torino Italy, May 26-28, 2013.

CA2. E. Tzamali, V. Sakkalis, K. Marias, "Cancer metabolism: Computational study of the lactate secretion metabolic strategy", 7th Conference of the Hellenic Society for Computational Biology and Bioinformatics (HSCBB 2012), Heraklion, Greece, October 4-6, 2012.

CA1. Α. Κουρούμπαλη, Δ. Βουρβαχάκης, Β. Σακκαλής, Β. Κοντογιάννης, Μ. Μυτάρας, Ν. Αγγουράκης, Κ. Χρονάκη, «Mαθήματα τηλε-εκπαίδευσης στην επείγουσα προνοσοκομειακή ιατρική: εμπειρία και προοπτικές», περίληψη για το 9ο Συνέδριο Αναισθησιολογίας και Εντατικής Ιατρικής, Χαλκιδική, 7-10 Σεπτεμβρίου 2006.