author: Beligiannis, Apostolos_or_Spyropoulos, Vasileios_or_Bratsos, Athanasios_or_Kefalas%2C PetrossubjectTerm: IV. MEDICINE AND HEALTH SCIENCES, LIFE SCIENCES, BIOLOGICAL SCIENCES_or_I. MATHEMATICS AND COMPUTER SCIENCE_or_II. NATURAL SCIENCES AND AGRICULTURAL SCIENCES__en