type: 7author: Vasileiadis, Nikolaos_or_Nikolopoulos, Stavros_or_Kefalas, Petros_or_Spyropoulos, VasileiossubjectTerm: V. LAW AND SOCIAL SCIENCES_or_IV. MEDICINE AND HEALTH SCIENCES, LIFE SCIENCES, BIOLOGICAL SCIENCES_or_I. MATHEMATICS AND COMPUTER SCIENCE