1. Department of Medicine; Perelman School of Medicine; University of Pennsylvania; Philadelphia Pennsylvania
2. Leonard Davis Institute of Health Economics; University of Pennsylvania; Philadelphia Pennsylvania
3. Division of Urology; Department of Surgery; Perelman School of Medicine; University of Pennsylvania; Philadelphia Pennsylvania
4. Corporal Michael J. Crescenz VAMC; Philadelphia Pennsylvania
5. Department of Psychiatry; Perelman School of Medicine; University of Pennsylvania; Philadelphia Pennsylvania