author: Kroupis, Christos_or_Tsotsou, Georgia Eleni_or_Spyropoulos, Vasileios_or_Michalopoulos, Andreas_or_Michalopoulos, Charilaos_or_Gitzenis, Savvas_or_Cheliotis, Dimitrios_or_Παγουρτζής, Αριστείδης__elsubjectTerm: I. MATHEMATICS AND COMPUTER SCIENCE_or_IV. MEDICINE AND HEALTH SCIENCES, LIFE SCIENCES, BIOLOGICAL SCIENCES