1. Department of Urology, New York University, New York
2. Department of Population Health, New York University, New York
3. Department of Urology, University of Michigan, Ann Arbor
4. Dow Division of Health Services Research, University of Michigan, Ann Arbor
5. Department of Orthopedic Surgery, University of Michigan, Ann Arbor
6. Department of Urology, Beaumont School of Medicine, Oakland University, Auburn Hills, Michigan
7. Department of Urology, Henry Ford Health System, Detroit, Michigan