subjectTerm: I. MATHEMATICS AND COMPUTER SCIENCE_or_IV. MEDICINE AND HEALTH SCIENCES, LIFE SCIENCES, BIOLOGICAL SCIENCES_or_II. NATURAL SCIENCES AND AGRICULTURAL SCIENCES__enauthor: Zachos, Efstathios_or_Souliou, Theodora_or_Cheliotis, Dimitrios_or_Pagourtzis, Aristeidis_or_Spyropoulos, Vasileioscollection: 2type: 7