1. Department of Urology, University Hospital Frankfurt, Goethe University Frankfurt, Frankfurt, Germany
2. Cancer Prognostics and Health Outcomes Unit, Division of Urology, University of Montreal Health Center, Montreal, Canada
3. Department of Urology, University Medical Center Hamburg-Eppendorf, Hamburg, Germany
4. Department of Neurology, Schoen Medical Center Neustadt, Neustadt, Germany
5. Department of Urology, University Medical Center Göttingen, Göttingen, Germany
6. Martini-Klinik Prostate Cancer Center, University Hospital Hamburg-Eppendorf, Hamburg, Germany