1. Department of Urology; Erasmus University Medical Center; Rotterdam The Netherlands
2. Department of Urology; Helsinki University Central Hospital; Helsinki Finland
3. Department of Urology; Kagawa University Faculty of Medicine; Kagawa Japan
4. Department of Radiation Oncology; British Columbia Cancer Agency; Vancouver BC Canada
5. Prostate Cancer Program and Radiation Oncology 1; Fondazione IRCSS Istituto Nazionale dei Tumori; Milan Italy
6. Department of Urology; Prostate Center; University Hospital Muenster; Muenster Germany
7. Department of Urology; Martini Klinik; Hamburg Germany
8. Department of Urology; Hospital Virgen del Camino; Pamplona Spain
9. Department of Urology; Oslo University Hospital; Oslo Norway