type: 7_or_999author: Souliou, Theodora_or_Zachos, Efstathios_or_Spyropoulos, Vasileios_or_Bratsos, Athanasios_or_Palios, Leonidas_or_Nikolopoulos, StavrossubjectTerm: IV. MEDICINE AND HEALTH SCIENCES, LIFE SCIENCES, BIOLOGICAL SCIENCES_or_I. MATHEMATICS AND COMPUTER SCIENCE_or_I. MATHEMATICS AND COMPUTER SCIENCE__en