author: Fountzoula, Christina_or_Plageras, Panagiotis_or_Zoi, Georgiou_or_Spyropoulos, Vasileios_or_Σπυρόπουλος, Βασίλειος__elcollection: 1type: 1datepublished: 2015subjectTerm: I. MATHEMATICS AND COMPUTER SCIENCE_or_III. ENGINEERING AND TECHNOLOGY_or_IV. MEDICINE AND HEALTH SCIENCES, LIFE SCIENCES, BIOLOGICAL SCIENCES