type: 103_or_102author: Perivolaropoulos, Leandros_or_Kolettis, Theofilos_or_Pavlakis, Konstantinos_or_Toumpis, StavrossubjectTerm: I. MATHEMATICS AND COMPUTER SCIENCE_or_II. NATURAL SCIENCES AND AGRICULTURAL SCIENCES_or_IV. MEDICINE AND HEALTH SCIENCES, LIFE SCIENCES, BIOLOGICAL SCIENCES