1. Department of Population Health; Hofstra North Shore-LIJ School of Medicine; Great Neck New York
2. Feinstein Institute for Medical Research; North Shore-LIJ Health System; Manhasset New York
3. The Arthur Smith Institute for Urology; Hofstra North Shore-LIJ School of Medicine; New Hyde Park New York
4. Department of Surgery, Durham VA and Division of Urology, Departments of Surgery and Pathology; Duke University School of Medicine; Durham North Carolina
5. Division of Clinical Epidemiologic Research, Department of Obstetrics and Gynecology; Duke University School of Medicine; Durham North Carolina