1. Department of Pediatrics, Children’s Mercy Hospitals and Clinics, Kansas City, Missouri;
2. Department of Pediatrics, University of Missouri-Kansas City School of Medicine, Kansas City, Missouri;
3. Work Group for Community Health and Development, University of Kansas, Lawrence, Kansas;
4. Kansas Infant Death and SIDS Network, Wichita, Kansas;
5. Goldberg Center for Community Pediatric Health, Children’s National Health System, Washington, District of Columbia; and
6. Department of Pediatrics, George Washington University School of Medicine and Health Sciences, Washington, District of Columbia