1. University of Helsinki, Department of Public Health, Helsinki, Finland
2. Teva Pharmaceuticals Europe, Amsterdam, The Netherlands
3. GlaxoSmithKline, Espoo, Finland
4. University of Eastern Finland, Kuopio, Finland and Hospital District of Helsinki and Uusimaa, Helsinki, Finland
5. Department of Oncology, Helsinki University Central Hospital, Helsinki, Finland and University of Helsinki, Helsinki, Finland
6. Department of Urology, Helsinki University Central Hospital and University of Helsinki, Helsinki, Finland