type: 7author: Ntziachristos, Leonidas_or_Spyropoulos, Vasileios_or_Mousiopoulos, Nikolaos_or_Slini, Theodoracollection: 2subjectTerm: I. MATHEMATICS AND COMPUTER SCIENCE_or_IV. MEDICINE AND HEALTH SCIENCES, LIFE SCIENCES, BIOLOGICAL SCIENCES_or_III. ENGINEERING AND TECHNOLOGY