1. Center of Innovation to Accelerate Discovery and Practice Transformation, Durham Veterans Affairs Health Care System, Durham, North Carolina
2. Department of Population Health Sciences, Duke University, Durham, North Carolina
3. Duke-Margolis Center for Health Policy, Duke University, Durham, North Carolina
4. Division of Geriatrics & Aging, Department of Medicine, University of Rochester, Rochester, New York
5. Department of Health Services, Policy, and Practice, Brown University, Providence, Rhode Island
6. Department of Health Care Policy, Harvard Medical School, Boston, Massachusetts