1. Department of Neurology Wake Forest Baptist Health Winston‐Salem NC
2. Department of Epidemiology College of Public Health University of Kentucky Lexington KY
3. Department of Epidemiology Gillings School of Global Public Health University of North Carolina at Chapel Hill NC
4. Department of Biostatistics Gillings School of Global Public Health University of North Carolina at Chapel Hill NC
5. Insight Policy Research Arlington VA
6. Department of Family Medicine University of North Carolina School of Medicine Chapel Hill NC
7. Duke University School of Medicine Durham NC
8. Department of Physical Therapy School of Health and Rehabilitation Sciences University of Pittsburgh PA
9. Division of Public Health Sciences Department of Social Sciences and Health Policy Wake Forest School of Medicine Winston‐Salem NC
10. Cecil G Sheps Center for Health Services Research University of North Carolina at Chapel Hill NC