subjectTerm: III. ENGINEERING AND TECHNOLOGY_or_IV. MEDICINE AND HEALTH SCIENCES, LIFE SCIENCES, BIOLOGICAL SCIENCES_or_I. MATHEMATICS AND COMPUTER SCIENCE_or_II. NATURAL SCIENCES AND AGRICULTURAL SCIENCES__enauthor: Stamatis, Dimosthenis_or_Sakellariou, Ilias_or_Kefalas, Petros_or_Spyropoulos, Vasileios