1. Unit of Urology, Department of Woman Child and General and Specialized Surgery, University of Campania “Luigi Vanvitelli”, 80131 Naples, Italy
2. Department of Urology, University of L’Aquila, 67010 L’Aquila, Italy
3. Division of Urology, Department of Surgical Sciences, AORN Sant’Anna e San Sebastiano, 81100 Caserta, Italy
4. Urology Department, ASL Salerno, 84124 Salerno, Italy
5. Department of Urology, Azienda Ospedaliera Universitaria Integrata Verona, University of Verona, 37126 Verona, Italy
6. Department of Urology, Sant’Andrea Hospital, La Sapienza University, 00189 Rome, Italy
7. Department of Neurosciences, Reproductive Sciences and Odontostomatology, University of Naples “Federico II”, 80131 Naples, Italy
8. Department of Urology, HM Hospitales, 28050 Madrid, Spain
9. Department of Urology, Rush University Medical Center, Chicago, IL 60612, USA