1. Martini-Klinik Prostate Cancer Center, Hamburg, Germany
2. Department of Urology, University Medical Center Hamburg-Eppendorf, Hamburg, Germany
3. Department of Diagnostic and Interventional Radiology and Nuclear Medicine, University Medical Center Hamburg-Eppendorf, Hamburg, Germany
4. Cancer Prognostics and Health Outcomes Unit, Division of Urology, University of Montreal Health Center, Montreal, Quebec, Canada