Harborview Injury Prevention & Research Center (Ms Ennis, Drs Jaffe and Rivara, and Mr Konodi), Department of Rehabilitation Medicine (Ms Ennis and Dr Jaffe), and Department of Pediatrics (Drs Mangione-Smith and Rivara), University of Washington, Seattle; Center for Child Health, Behavior and Development, Seattle Children's Research Institute, Seattle, Washington (Dr Mangione-Smith); and Department of Health Policy and Management and Center for Injury Research and Policy, Johns Hopkins Bloomberg School of Public Health, Baltimore, Maryland (Dr MacKenzie).
Corresponding Author: Stephanie K. Ennis, MS, CCC-SLP, Department of Rehabilitation Medicine, University of Washington, Box 356154, 1959 NE Pacific St, Seattle, WA 98195 ([email protected]).
This work was supported by grant number R21 HD059049-01A1 from the Eunice Kennedy Shriver National Institute of Child Health and Human Development.
The authors thank the medical directors and chart abstractors at all participating sites.
Supplemental digital content is available for this article. Direct URL citation appears in the printed text and is provided in the HTML and PDF versions of this article on the journal's Web site (www.headtraumarehab.com).
The authors declare no conflicts of interest.
