lang: elauthor: Plageras, Panagiotis_or_Kroupis, Christos_or_Papatsiros, Vasileios_or_Spyropoulos, Vasileios_or_Σπυρόπουλος, Βασίλειος__eltype: 203_or_1subjectTerm: I. MATHEMATICS AND COMPUTER SCIENCE_or_IV. MEDICINE AND HEALTH SCIENCES, LIFE SCIENCES, BIOLOGICAL SCIENCES