author: Fountzoula, Christina_or_Spyropoulos, Vasileios_or_Σπυρόπουλος, Βασίλειος__eltype: 1collection: 1datepublished: 2015subjectTerm: III. ENGINEERING AND TECHNOLOGY_or_I. MATHEMATICS AND COMPUTER SCIENCE_or_IV. MEDICINE AND HEALTH SCIENCES, LIFE SCIENCES, BIOLOGICAL SCIENCES