1. Department of Urology, Institute of Clinical Sciences, Sahlgrenska Academy, University of Gothenburg, Gothenburg, Sweden
2. Department of Urology, Region Västra Götaland, Sahlgrenska University Hospital, Gothenburg, Sweden
3. Department of Radiology, Institute of Clinical Sciences, Sahlgrenska Academy, University of Gothenburg, Gothenburg, Sweden
4. Department of Radiology, Region Västra Götaland, Sahlgrenska University Hospital, Gothenburg, Sweden
5. Departments of Surgery (Urology Service) and Epidemiology and Biostatistics, Memorial Sloan Kettering Cancer Center, New York, NY, USA