author: Spyropoulos, Vasileios_or_Toumpis, Stavros_or_Promponas, AntoniossubjectTerm: II. NATURAL SCIENCES AND AGRICULTURAL SCIENCES_or_IV. MEDICINE AND HEALTH SCIENCES, LIFE SCIENCES, BIOLOGICAL SCIENCES_or_I. MATHEMATICS AND COMPUTER SCIENCE_or_VI. ΑΝΘΡΩΠΙΣΤΙΚΕΣ ΕΠΙΣΤΗΜΕΣ ΚΑΙ ΤΕΧΝΕΣ__el