1. Department of Urology, University Regensburg, Caritas St. Josef Medical Center, Regensburg, Germany
2. Department of Urology, Carl-Thiem-Hospital Cottbus, Cottbus, Germany
3. Department of Urology, University of Graz, Graz, Austria
4. Department of Urology, Weill Cornell Medical College, New York, New York
5. Institute of Surgical Pathology, University Hospital Zürich, Zürich, Switzerland
6. Department of Urology, S. Pio Da Pietrelcina Hospital, Vasto, Italy
7. Department of Urology, European Institute of Oncology, Milan, Italy
8. Department of Urology, University Milano, IRCCS Cà Granda Ospedale Maggiore Policlinico, Milan, Italy
9. European Institute of Oncology, Epidemiology and Biostatistics, Milan, Italy
10. Department of Urology, S. Andrea Hospital, Rome, Italy
11. Department of Urology, Clinical Municipal Hospital, Cluj-Napoca, Romania
12. Department of Urology, Klinikum Dortmund, Dortmund, Germany
13. Department of Urology, University of Heidelberg, Heidelberg, Germany
14. Department of Urology, University of Dresden, Carl Gustav Carus Hospital, Dresden, Germany