1. Radiodiagnostic and Radiotherapy Unit, Department of Medical and Surgical Sciences and Advanced Technologies “GF Ingrassia”, University of Catania, Catania, Italy
2. Radiodiagnostic and Radiotherapy Unit, Department of Medical and Surgical Sciences and Advanced Technologies “GF Ingrassia”, Catania University, Catania, Italy
3. Department of Diagnostic and Interventional Radiology, Circolo Hospital, Insubria University, Varese, Italy