1 Department of Medical Surgical Sciences and Advanced Technologies "GF Ingrassia", Radiology Unit 1, University Hospital Policlinico "G. Rodolico-San Marco", Catania, 95123, Italy.
2 Department of Medical Surgical Sciences and Advanced Technologies "GF Ingrassia", Radiology Unit 1, University Hospital Policlinico "G. Rodolico-San Marco", Catania, 95123, Italy. giovanni.ladelfa@icloud.com.