1 Department of Diagnostic and Therapeutic Services, Radiology Unit. IRCCS ISMETT (Mediterranean Institute for Transplantation and Advanced Specialized Therapies), Via Tricomi 5, 90127, Palermo, Italy. gmamone@ismett.edu.
2 Department of Diagnostic and Therapeutic Services, Radiology Unit. IRCCS ISMETT (Mediterranean Institute for Transplantation and Advanced Specialized Therapies), Via Tricomi 5, 90127, Palermo, Italy.