*Center for Injury Research and Prevention, Children's Hospital of Philadelphia, Philadelphia, Pennsylvania;
†Division of Emergency Medicine, Children's Hospital of Philadelphia, Philadelphia, Pennsylvania;
‡Perelman School of Medicine, University of Pennsylvania, Philadelphia, Pennsylvania;
§School of Nursing, University of Pennsylvania, Philadelphia, Pennsylvania;
¶Department of Biomedical Engineering, Georgia Institute of Technology and Emory University, Atlanta, Georgia; and
║Sports Medicine and Performance Center, Children's Hospital of Philadelphia, Philadelphia, Pennsylvania;
Corresponding Author: Christina L. Master, MD, Sports Medicine and Performance Center, Children's Hospital of Philadelphia, 34th St and Civic Center Blvd, Philadelphia, PA 19104 ([email protected]).
Funding for this research has been provided by the Pennsylvania Department of Health. Research reported in this publication was also supported by National Institute of Neurological Disorders and Stroke of the National Institutes of Health under award number R01NS097549. The content is solely the responsibility of the authors and does not necessarily represent the official views of the National Institutes of Health.
The authors report no conflicts of interest.