author: Kontogiannis, Ioannis_or_Papaioannou, Angelos_or_Spyropoulos, Vasileios_or_Gitzenis, Savvas_or_Toumpis, Stavros_or_Cheliotis, Dimitrios_or_Παγουρτζής, Αριστείδης__elsubjectTerm: IV. MEDICINE AND HEALTH SCIENCES, LIFE SCIENCES, BIOLOGICAL SCIENCES_or_II. NATURAL SCIENCES AND AGRICULTURAL SCIENCES_or_I. MATHEMATICS AND COMPUTER SCIENCE