[1] UofSC Sch Med Greenville, 607 Grove Rd, Greenville, SC 29605 USA
[2] Univ Washington, Harborview Med Ctr, Seattle Childrens Res Inst, 325 9Th Ave, Seattle, WA 98104 USA
[3] Duke Univ, Duke Sch Med, Dept Pediat, Natl Clinician Scholars Program, Durham, NC 27706 USA
[4] Duke Univ, Margolis Ctr Hlth Policy, Durham, NC USA
[5] George Washington Univ, Sch Med & Hlth Sci, Childrens Natl Hosp, Child Hlth Advocacy Inst, Washington, DC 20052 USA
[6] George Washington Univ, Sch Med & Hlth Sci, Childrens Natl Hosp, Div Gen & Community Pediat, Washington, DC 20052 USA
[7] Amer Acad Pediat, Fed & State Advocacy, North Washington, DC USA
[8] Childrens Hosp Philadelphia, Roberts Ctr Pediat Res 2714, Div Neonatol, Philadelphia, PA 19104 USA
[9] Prisma Hlth Childrens Hosp, Greenville, SC USA