type: 7_or_203subjectTerm: I. MATHEMATICS AND COMPUTER SCIENCE_or_III. ENGINEERING AND TECHNOLOGY_or_IV. MEDICINE AND HEALTH SCIENCES, LIFE SCIENCES, BIOLOGICAL SCIENCES__enauthor: Palios, Leonidas_or_Spyropoulos, Vasileios_or_Georgiadis, Loukas_or_Nikolopoulos, Stavros_or_Cheliotis, Dimitrios