1. Department of Social and Behavioral Sciences, Harvard School of Public Health, Boston, MA
2. Sport Science Institute, National Collegiate Athletic Association, Indianapolis, IN
3. Edmond J. Safra Center for Ethics, Harvard University, Boston, MA
4. Interfaculty Initiative in Health Policy, Harvard University, Boston, MA
5. Division of Sports Medicine, Boston Children's Hospital, MA
6. Center for the Study of Traumatic Encephalopathy, Boston University School of Medicine, MA
7. Sports Legacy Institute, Boston, MA
8. Department of Anatomy and Neurobiology, Boston University School of Medicine, MA
9. Sargent College of Health and Rehabilitation Sciences, Boston University, MA
10. Division of Adolescent and Young Adult Medicine, Boston Children's Hospital, MA
11. Department of Pediatrics, Harvard Medical School, Boston, MA