1. Department of Urology, University of California, Los Angeles School of Medicine, and Urological Sciences Research Foundation, Los Angeles, California
2. Division of Urologic Surgery, Washington University, St. Louis, Missouri
3. Departments of Urology and Surgery, Mater Misericordiae Hospital and University College, Dublin, Ireland
4. Department of Urology, University Clinics of Brussels, Erasme Hospital, Brussels, Belgium
5. Department of Urology, University of Texas Southwestern Medical Center, Dallas, Texas