author: Papaioannou, Angelos_or_Spyropoulos, Vasileios_or_Kontogeorgis, Aristeidis_or_Antoniadis, Ioannis_or_Promponas, Antonios__ensubjectTerm: I. MATHEMATICS AND COMPUTER SCIENCE_or_II. NATURAL SCIENCES AND AGRICULTURAL SCIENCES_or_IV. MEDICINE AND HEALTH SCIENCES, LIFE SCIENCES, BIOLOGICAL SCIENCES