1. Department of Pediatrics, UCLA Center for Healthier Children, Families, and Communities, David Geffen School of Medicine,
2. Department of Health Services, School of Public Health, and
3. Department of Public Policy, School of Public Affairs, University of California, Los Angeles, California;
4. Department of Family Medicine, University of Southern California, Keck School of Medicine, Los Angeles, California; and
5. Department of Research, American Academy of Pediatrics, Elk Grove Village, Illinois