author: Papaioannou, Angelos_or_Plageras, Panagiotis_or_Papanikolaou, Georgios_or_Perivolaropoulos, Leandros_or_Spyropoulos, Vasileios_or_Σπυρόπουλος, Βασίλειος__eldatepublished: 2015subjectTerm: I. MATHEMATICS AND COMPUTER SCIENCE_or_IV. MEDICINE AND HEALTH SCIENCES, LIFE SCIENCES, BIOLOGICAL SCIENCEStype: 1lang: el