1. Doctor of Physical Therapy Division, Duke University School of Medicine, Durham, North Carolina
2. Center of Innovation to Accelerate Discovery and Practice Transformation, Veterans Affairs Health Care System, Durham, North Carolina
3. School of Health and Rehabilitation Sciences, The Ohio State University, Columbus, Ohio
4. Duke Clinical Research Institute, Duke University School of Medicine, Durham, North Carolina
5. Department of Population Health Sciences, Duke University Medical Center, Durham, North Carolina
6. Department of Medicine, Duke University Medical Center, Durham, North Carolina
7. Geriatric Research, Education, and Clinical Center, Veterans Affairs Health Care System, Durham, North Carolina
8. Center for the Study of Human Aging and Development, Duke University School of Medicine, Durham, North Carolina
9. Department of Medicine and Thurston Arthritis Research Center, University of North Carolina, Chapel Hill, North Carolina