1. Department of Urology; University of Southern California; Los Angeles; CA
2. Praxisklinik Urologie Rhein/Ruhr; Mülheim; Germany
3. St. Thomas' Hospital; London; UK
4. Department of Urology; Maastricht University Medical Center; Maastricht; The Netherlands
5. Department of Obstetrics and Gynecology; Medical University of South Carolina; Charleston; SC
6. Consultant to Pfizer Inc
7. Pfizer Inc; New York; NY; USA