1. Department of Urology; University Medical Center Utrecht; Utrecht The Netherlands
2. Department of Medicine (Geriatrics); University of Pittsburgh; Pittsburgh Pennsylvania
3. University of Copenhagen Herlev Hospital; Herlev Denmark
4. Glickman Urologic and Kidney Institute Cleveland Clinic; Lerner College of Medicine; Cleveland Ohio
5. Medical College of Wisconsin; Milwaukee Wisconsin
6. Peninsula Community Health; Cornwall UK
7. UT Southwestern Medical Center; Dallas Texas
8. Bristol Urological Institute; Bristol UK