1. Robert Wood Johnson Foundation Clinical Scholars Program, University of Michigan, Ann Arbor, Michigan
2. Division of Endourology and Stone Disease, University of Michigan, Ann Arbor, Michigan
3. Division of Health Services Research, University of Michigan, Ann Arbor, Michigan
4. Division of Oncology, University of Michigan, Ann Arbor, Michigan
5. Department of Urology, Michigan Surgical Collaborative for Outcomes Research and Evaluation, University of Michigan, Ann Arbor, Michigan