1. The Center for Injury Research and Policy, Abigail Wexner Research Institute at Nationwide Children’s Hospital, Columbus, Ohio
2. College of Medicine, The Ohio State University, Columbus, Ohio
3. School of Public Health, West Virginia University, Morgantown, West Virginia
4. Department of Pediatrics, College of Medicine, The Ohio State University, Columbus, Ohio
5. Division of Epidemiology, College of Public Health, The Ohio State University, Columbus, Ohio