collection: 2author: Plageras, Panagiotis_or_Aggelopoulos, Eleftherios_or_Spyropoulos, Vasileios_or_Georgopoulos, Antonios_or_Cheliotis, Dimitrios_or_Daikos, Georgios__ensubjectTerm: I. MATHEMATICS AND COMPUTER SCIENCE_or_IV. MEDICINE AND HEALTH SCIENCES, LIFE SCIENCES, BIOLOGICAL SCIENCES_or_II. NATURAL SCIENCES AND AGRICULTURAL SCIENCES