collection: 2author: Gitzenis, Savvas_or_Papadopoulos, Apostolos_or_Cheliotis, Dimitrios_or_Tsichlas, Konstantinos_or_Spyropoulos, Vasileios_or_Toumpis, StavrossubjectTerm: IV. MEDICINE AND HEALTH SCIENCES, LIFE SCIENCES, BIOLOGICAL SCIENCES_or_I. MATHEMATICS AND COMPUTER SCIENCE