lang: elsubjectTerm: I. MATHEMATICS AND COMPUTER SCIENCE_or_IV. MEDICINE AND HEALTH SCIENCES, LIFE SCIENCES, BIOLOGICAL SCIENCES_or_VI. HUMANITIES AND ARTSauthor: Promponas, Antonios_or_Vasileiadis, Ioannis_or_Michalopoulos, Charilaos_or_Antoniadis, Ioannis__en