datepublished: 2015author: Plageras, Panagiotis_or_Meletiou Christou, Maria Sonia_or_Rizopoulou, Sofia_or_Kroupis, Christos_or_Spyropoulos, Vasileios_or_Σπυρόπουλος, Βασίλειος__eltype: 1subjectTerm: II. NATURAL SCIENCES AND AGRICULTURAL SCIENCES_or_IV. MEDICINE AND HEALTH SCIENCES, LIFE SCIENCES, BIOLOGICAL SCIENCES_or_I. MATHEMATICS AND COMPUTER SCIENCE_or_III. ENGINEERING AND TECHNOLOGY