1. Department of Urology, Radboud University Nijmegen Medical Centre, Nijmegen, The Netherlands
2. Department of Epidemiology, Biostatistics and HTA, Radboud University Nijmegen Medical Centre, Nijmegen, The Netherlands
3. Comprehensive Cancer Centre East, Nijmegen, The Netherlands
4. Department of Pathology, Radboud University Nijmegen Medical Centre, Nijmegen, The Netherlands
5. Department of Urology, The Johns Hopkins Hospital, Baltimore, Maryland