1. Health Care Evaluation Department, NORC at the University of Chicago, Cambridge, Massachusetts, USA.
2. Department of Population Health Sciences, Duke University School of Medicine, Durham, North Carolina, USA.
3. Duke-Margolis Institute for Health Policy, Duke University, Durham, North Carolina, USA.
4. Department of Psychiatry and Behavioral Sciences, Duke University School of Medicine, Durham, North Carolina, USA.
5. Department of Psychiatry, Duke University School of Medicine, Durham, North Carolina, USA.
6. Duke Physical Therapy Sports Medicine at the Center for Living, Duke Health, Durham, North Carolina, USA.
7. Department of Physical Therapy and Occupational Therapy, Duke University Health System, Durham, North Carolina, USA.
8. Department of Pediatrics, Duke University School of Medicine, Durham, North Carolina, USA.
9. Department of Health Policy and Management, Milken Institute School of Public Health, The George Washington University, Washington, District of Columbia, USA.