1. Stanford University School of Medicine, Stanford, California
2. University of Calgary, Calgary, Alberta, Canada
3. Division of Unintentional Injury Prevention, National Center for Injury Prevention and Control, Centers for Disease Control and Prevention (CDC), Atlanta, Georgia
4. Children’s National Health System, George Washington University School of Medicine, Washington, DC
5. Goodman Campbell Brain and Spine, Indianapolis, Indiana
6. Cleveland Clinic, Cleveland, Ohio
7. Kennedy Krieger Institute, Johns Hopkins University School of Medicine, Baltimore, Maryland
8. The University of California, Los Angeles (UCLA) Steve Tisch BrainSPORT Program, UCLA Mattel Children’s Hospital, David Geffen School of Medicine at UCLA, Los Angeles
9. University of Florida Health Science Center, Jacksonville
10. Center for Neuropsychological Services, Kaiser Permanente, Roseville, California
11. Emory University School of Medicine, Atlanta, Georgia
12. Icahn School of Medicine at Mount Sinai, New York, New York
13. Sports Concussion Center of New Jersey, Princeton
14. Rocky Mountain Hospital for Children, Denver, Colorado
15. Children’s Learning Institute, Department of Pediatrics, University of Texas (UT) Health Science Center at Houston
16. Massachusetts General Hospital, Harvard University, Boston
17. University Health Services, Princeton University, Princeton, New Jersey
18. Loma Linda University Health, Loma Linda, California
19. Cincinnati Children’s Hospital Medical Center, Cincinnati, Ohio
20. University of Washington School of Medicine, Seattle
21. St Louis Children’s Hospital, St Louis, Missouri
22. University of Utah, Salt Lake City
23. Children's Hospital of Philadelphia, Raymond and Ruth Perelman School of Medicine, University of Pennsylvania, Philadelphia
24. The University of North Carolina at Chapel Hill
25. John H. Stroger, Jr Hospital of Cook County (formerly Cook County Hospital), Chicago, Illinois
26. Vanderbilt University School of Medicine, Nashville, Tennessee
27. University of Pittsburgh Medical Center Sports Medicine Concussion Program, Pittsburgh, Pennsylvania
28. Nationwide Children’s Hospital Research Institute, Columbus, Ohio
29. Jameson Crane Sports Medicine Institute, School of Health and Rehabilitation Sciences, The Ohio State University Wexner Medical Center, Columbus
30. Children’s Hospital Colorado, Aurora
31. Nicklaus Children’s Hospital, University of Miami Miller School of Medicine, Miami, Florida
32. Department of Pediatric Neurosurgery, St Joseph’s Children’s Hospital, Tampa, Florida
33. University of California, San Diego
34. Vanguard Communications, Washington, DC
35. The National Association of State EMS Officials, Washington, Iowa
36. Social Marketing Group, ICF, Rockville, Maryland
37. American Academy of Neurology, Minneapolis, Minnesota
38. University of Kansas Medical Center, Kansas City
39. University of Virginia School of Medicine, Charlottesville
40. Penn State University Milton S. Hershey Medical Center, Hershey, Pennsylvania