1. Radiologia d'Urgenza; IRCCS Azienda Ospedaliera Universitaria S. Martino IST; Genoa Italy
2. Department of Surgical Sciences (DISC); Urology Section, University of Genoa; Genoa Italy
3. Department of Radiology; University of Trieste; Trieste Italy
4. Department of Health Sciences (DISSAL); Radiology Section, University of Genoa; Genoa Italy