[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