collection: 2author: Grontas, Panagiotis_or_Cheliotis, Dimitrios_or_Zachos, Efstathios_or_Bagkos, Panteleimon_or_Toumpis, StavrossubjectTerm: IV. MEDICINE AND HEALTH SCIENCES, LIFE SCIENCES, BIOLOGICAL SCIENCES_or_II. NATURAL SCIENCES AND AGRICULTURAL SCIENCES_or_I. MATHEMATICS AND COMPUTER SCIENCE