1. Utrecht University; Utrecht The Netherlands
2. Department of Research; Netherlands Comprehensive Cancer Organisation; Utrecht The Netherlands
3. Departments of Urology and Public Health; University of Helsinki and Helsinki University Hospital; Helsinki Finland
4. Department of Urology; Academic Medical Center; Amsterdam The Netherlands
5. Central Finland Central Hospital; Central Finland Health Care District; Jyväskylä Finland
6. Radboud Institute for Health Sciences; Radboud University Medical Centre; Nijmegen The Netherlands