1Department of Urology, Ludwig-Maximilians-Universität, Munich, Germany
2Department of Urology, Klinikum St. Elisabeth Straubing, Straubing, Germany
3Cancer Prognostics and Health Outcomes Unit, University of Montreal Health Center, Montreal, Québec, Canada
4Caritas-Krankenhaus St. Josef, University of Regensburg, Regensburg, Germany
5Mannheim Medical Center, University of Heidelberg, Mannheim, Germany
6Department of Urology, University of Münster, Münster, Germany
7Department of Urology, University of Frankfurt am Main, Frankfurt am Main, Germany
8Department of Urology, University of Heidelberg, Heidelberg, Germany
9Department of Urology, University of Bonn, Bonn, Germany