1. Department of Urology; Sant’ Andrea Hospital “La Sapienza,”; Rome Italy
2. Department of Urology; Urology Clinic; Second University of Naples; Naples Italy
3. Department of Urology; Urologische Klinik; Universitätsspital Basel; Basel Switzerland
4. Department of Urology; Vita-Salute University San Raffaele; Milan Italy
5. Department of Urology; London Clinic; London United Kingdom
6. Department of Urology; University Medical Centre Hamburg-Eppendorf; Hamburg Germany
7. Department of Oncological and Surgical Sciences; Urology Clinic; University of Padua; Padua Italy
8. Department of Urology; M. Sklodowska-Curie Memorial Cancer Center; Warsaw Poland
9. Department of Urology; Addenbrookes Hospital; Cambridge United Kingdom