1. Department of Diagnostic and Interventional Radiology, Azienda Ospedaliera per l’Emergenza Cannizzaro, Catania, Italy
2. Department of Diagnostic and Interventional Radiology, Azienda Ospedaliera Papardo, Messina, Italy
3. IBFM CNR, Cefalù 90015(PA) and UOS Fisica Sanitaria, Azienda Ospedaliera per l’Emergenza Cannizzaro, Catania, Italy
4. Department of Nefrology e Dialisys, Azienda Ospedaliera per l’Emergenza Cannizzaro, Catania, Italy