1. Department of Urology, Saint Petersburg State University Hospital, Saint Petersburg, Russia
2. Department of Urology, A. I. Yevdokimov Moscow State University of Medicine and Dentistry, Moscow, Russia
3. Bauman Moscow State Technical University, Moscow, Russia
4. Department of Urology, Hospital Clinic, Barcelona, Spain
5. Department of Urology, Ng Teng Fong General Hospital (NTFGH), Singapore
6. Department of Urology, University of California, Irvine, CA, USA