author: Litinas, Nikos_or_Papaioannou, Angelos_or_Spyropoulos, Vasileios_or_Παγουρτζής, Αριστείδης__ellang: elsubjectTerm: II. NATURAL SCIENCES AND AGRICULTURAL SCIENCES_or_IV. MEDICINE AND HEALTH SCIENCES, LIFE SCIENCES, BIOLOGICAL SCIENCES_or_VI. HUMANITIES AND ARTS