1. Division of Urology and Center for Surgery and Public Health, Brigham and Women's Hospital, Harvard Medical School, Boston, Massachusetts.
2. Department of Urology, Tan Tock Seng Hospital, Singapore.
3. Department of Urology, Stanford University, Stanford, California.
4. Department of Urology, Veterans Affairs Boston Healthcare System, Harvard Medical School, Boston, Massachusetts.
5. Department of Urology, Université de Montréal, Montréal, Quebec, Canada.