1. From the Robert Wood Johnson Clinical Scholars Program (WU, SD), Division of Clinical Research and Quality Assurance, Department of Urology (WU, MGS, JTW) and Program for Improving Health Care Decisions, Division of General Medicine (PU, AF), University of Michigan, Veterans Affairs Center for Practice Management and Outcomes Research (WU, SD, PU, AF) and Veteran Administration Healthcare System (PU, AF), Ann Arbor, Michigan