type: 7subjectTerm: III. ENGINEERING AND TECHNOLOGY_or_IV. MEDICINE AND HEALTH SCIENCES, LIFE SCIENCES, BIOLOGICAL SCIENCES_or_II. NATURAL SCIENCES AND AGRICULTURAL SCIENCES_or_I. MATHEMATICS AND COMPUTER SCIENCEauthor: Kroupis, Christos_or_Spyropoulos, Vasileios_or_Bratsos, Athanasios_or_Toumpis, Stavros