1. Center of Innovation to Accelerate Discovery and Practice Transformation, Durham Veterans Affairs Medical Center, Durham, North Carolina
2. Department of Population Health Sciences, Duke University School of Medicine, Durham, North Carolina
3. Division of General Internal Medicine, Department of Medicine, Duke University School of Medicine, Durham, North Carolina
4. Division of Health Policy and Management, School of Public Health, University of Minnesota, Minneapolis
5. Department of Health Management and Policy, University of Michigan, Ann Arbor
6. Department of Economics, University of Michigan, Ann Arbor
7. National Bureau of Economic Research, Cambridge, Massachusetts