1. VA HSR&D Center for Clinical Management Research, VA Ann Arbor Healthcare System, University of Michigan, Ann Arbor, Michigan
2. Division of Oncology, University of Michigan, Ann Arbor, Michigan
3. Dow Division of Health Services Research, University of Michigan, Ann Arbor, Michigan
4. Department of Urology, University of Pittsburgh, Pittsburgh, Pennsylvania
5. Indiana University Kelley School of Business, Indianapolis, Indiana
6. Department of Urology, and Department of Industrial and Operations Engineering, University of Michigan, Ann Arbor, Michigan