subjectTerm: IV. MEDICINE AND HEALTH SCIENCES, LIFE SCIENCES, BIOLOGICAL SCIENCES_or_II. NATURAL SCIENCES AND AGRICULTURAL SCIENCES_or_VI. HUMANITIES AND ARTS__enauthor: Boletis, Ioannis_or_Kokkinos, Alexandros_or_Kroupis, Christos_or_Fountzoula, Christina_or_Spyropoulos, Vasileioslang: el