lang: elauthor: Kroupis, Christos_or_Spyropoulos, VasileiossubjectTerm: IV. MEDICINE AND HEALTH SCIENCES, LIFE SCIENCES, BIOLOGICAL SCIENCES_or_III. ENGINEERING AND TECHNOLOGY_or_II. NATURAL SCIENCES AND AGRICULTURAL SCIENCES_or_VI. HUMANITIES AND ARTS_or_I. MATHEMATICS AND COMPUTER SCIENCE__en