1. Martiniclinic, Prostate Cancer Center Hamburg-Eppendorf, Hamburg, Germany
2. Cancer Prognostics and Health Outcomes Unit, University of Montreal Health Center, Montreal, Quebec, Canada
3. Department of Urology, University Hospital Hamburg-Eppendorf, Hamburg, Germany
4. Department of Urology, Vita-Salute San Raffaele University, Milan, Italy
5. Department of Pathology, University Hospital Hamburg-Eppendorf, Hamburg, Germany