1. Department of Urology; Alexianer Hospital Maria Hilf GmbH; Krefeld Germany
2. Institute MeckEvidence; Schwarz Germany
3. Department of Urology; University of Essen; Germany
4. Department of Urology; Klinikum Kassel GmbH; Kassel Germany
5. Department of Urology; Klinikum Weiden; Weiden Germany
6. Department of Urology; University Rechts der Isar; Munich Germany
7. Department of Urology; University of Aachen; Aachen Germany
8. Department of Urology; Klinikum Stendal; Stendal Germany
9. Department of Urology; University Homburg/Saar; Homburg Germany
10. Department of Urology; University Tübingen; Tübingen Germany
11. Department of Urology; University of Münster; Münster Germany
12. Department of Urology; University of Dresden; Dresden Germany
13. Department of Urology; University of Düsseldorf; Düsseldorf Germany
14. Department of Urology; University of Rostock; Rostock Germany
15. Department of Urology; Vivantes Klinikum am Urban; Berlin Germany
16. Department of Haemato-oncology; University of Hannover; Hannover Germany
17. Department of Urology; University of Hamburg; Hamburg Germany
18. Department of Urology; Charite-University; Berlin Germany