1. Urology Department, Iuliu Hatieganu University of Medicine and Pharmacy, Cluj-Napoca, Romania.
2. Urology Department, Clinical Municipal Hospital, Cluj-Napoca, Romania.
3. Epidemiology Department, Iuliu Hatieganu University of Medicine and Pharmacy, Cluj-Napoca, Romania.
4. Urology Division, European Institute of Oncology, Milan, Italy.