1. Center for Health Care Quality, Cincinnati Children's Hospital Medical Center, Cincinnati, Ohio
2. Piedmont Health Services, Inc, Carrboro, North Carolina
3. Department of Pediatrics, University of Vermont, Burlington, Vermont
4. Injury Prevention Research Center, University of North Carolina, Chapel Hill, North Carolina
5. Stuart Consulting, Hillsborough, North Caroina
6. American Academy of Pediatrics, Elk Grove Village, Illinois