type: 7author: Pagourtzis, Aristeidis_or_Grontas, Panagiotis_or_Bratsos, Athanasios_or_Zachos, Efstathios_or_Spyropoulos, VasileiossubjectTerm: III. ENGINEERING AND TECHNOLOGY_or_IV. MEDICINE AND HEALTH SCIENCES, LIFE SCIENCES, BIOLOGICAL SCIENCES_or_I. MATHEMATICS AND COMPUTER SCIENCE