author: Kontogeorgis, Aristeidis_or_Kranakis, Evangelos_or_Promponas, Antonios_or_Pagourtzis, Aristeidis_or_Antoniadis, Ioannis_or_Pagourtzis, Aristeidis__ensubjectTerm: I. MATHEMATICS AND COMPUTER SCIENCE_or_IV. MEDICINE AND HEALTH SCIENCES, LIFE SCIENCES, BIOLOGICAL SCIENCES