type: 203_or_1author: Tsotsou, Georgia Eleni_or_Zoi, Georgiou_or_Plageras, Panagiotis_or_Spyropoulos, Vasileios_or_Σπυρόπουλος, Βασίλειος__elsubjectTerm: I. MATHEMATICS AND COMPUTER SCIENCE_or_IV. MEDICINE AND HEALTH SCIENCES, LIFE SCIENCES, BIOLOGICAL SCIENCES