1. aDivision of General Pediatrics and Adolescent Medicine, Department of Pediatrics, University of North Carolina School of Medicine, Chapel Hill, North Carolina
2. bCecil G Sheps Center for Health Services Research, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina
3. cBoston Medical Center, Boston University Chobanian and Avedisian School of Medicine, Boston, Massachusetts
4. dThe Lundquist Institute for Biomedical Innovation at Harbor-UCLA Medical Center, Torrance, California
5. eStanford University School of Medicine, Stanford, California
6. fChild Focus, Washington, District of Columbia
7. gGeorgetown University Law Center, Georgetown University, Washington, District of Columbia
8. hAmerican Board of Pediatrics, Chapel Hill, North Carolina
9. iTufts University School of Medicine, Boston, Massachusetts