author: Spyropoulos, Vasileios_or_Lianos, Theodoros_or_Ψειρίδου, Αναστασία__elsubjectTerm: V. LAW AND SOCIAL SCIENCES_or_IV. MEDICINE AND HEALTH SCIENCES, LIFE SCIENCES, BIOLOGICAL SCIENCES_or_II. NATURAL SCIENCES AND AGRICULTURAL SCIENCES_or_I. MATHEMATICS AND COMPUTER SCIENCE