1. Cancer Prognostics and Health Outcomes Unit, University of Montreal, Montreal, Quebec, Canada
2. Martini Clinic-Prostate Cancer Center, University of Hamburg, Hamburg, Germany
3. Section of Urology and Renal Transplantation, Virginia Mason Medical Center, Seattle, Washington
4. Department of Urology, Vita-Salute University, Milan, Italy
5. Department of Urology, University of Hamburg, Hamburg, Germany
6. Department of Pathology, University of Hamburg, Hamburg, Germany