datepublished: 2015author: Papaioannou, Angelos_or_Dimitroulia, Xanthippi_or_Spyropoulos, Vasileios_or_����������������������, ������������������__eltype: 1subjectTerm: IV. MEDICINE AND HEALTH SCIENCES, LIFE SCIENCES, BIOLOGICAL SCIENCES_or_I. MATHEMATICS AND COMPUTER SCIENCE_or_III. ENGINEERING AND TECHNOLOGY