1. Department of Urology Geisinger Danville Pennsylvania
2. Department of Epidemiology and Health Services Research Geisinger Danville Pennsylvania
3. Biostatistics Core Geisinger Danville Pennsylvania
4. Biomedical and Translational Informatics Institute Geisinger, Danville Pennsylvania
5. Center for Health Research, Kaiser Permanente Northwest Portland Oregon
6. Department of Urology University of North Carolina at Chapel Hill Chapel Hill North Carolina
7. Department of Epidemiology University of North Carolina at Chapel Hill Chapel Hill North Carolina
8. Department of Health Policy and Management University of North Carolina at Chapel Hill Chapel Hill North Carolina
9. Section of Geriatrics, Department of Internal Medicine Yale University School of Medicine New Haven Connecticut