1. Faculty of Medicine, Pharmacology, University of Helsinki, Helsinki, Finland;
2. Faculty of Medicine and Life Sciences, University of Tampere, Tampere, Finland;
3. Department of Urology, Tampere University Hospital, Tampere, Finland;
4. Department of Surgery, Seinäjoki Central Hospital, Seinäjoki, Finland;
5. Finnish Cancer Registry, Helsinki, Finland;
6. Department of Urology, University of Helsinki and Helsinki University Hospital, Helsinki, Finland;
7. Faculty of Social Sciences, University of Tampere, Tampere, Finland