1. Center for Injury Research and Policy, Columbus Children’s Research Institute, Children’s Hospital, Columbus, Ohio, Department of Pediatrics, The Ohio State University College of Medicine and Public Health, Columbus, Ohio
2. Department of Pediatrics, The Ohio State University College of Medicine and Public Health, Columbus, Ohio
3. University of Michigan Health System, Department of Internal Medicine, Ann Arbor, Michigan
4. Trauma Program, Children’s Hospital, Columbus, Ohio
5. Center for Injury Research and Policy, Columbus Children’s Research Institute, Children’s Hospital, Columbus, Ohio