type: 7author: Nikolaidis, Nikolaos_or_Alissandrakis, Constantine_or_Giannakopoulos, Panagiotis_or_Andrikopoulos, NikolaossubjectTerm: I. MATHEMATICS AND COMPUTER SCIENCE_or_IV. MEDICINE AND HEALTH SCIENCES, LIFE SCIENCES, BIOLOGICAL SCIENCES_or_II. NATURAL SCIENCES AND AGRICULTURAL SCIENCES