[1] Childrens Natl, Div Adolescent & Young Adult Med, Washington, DC USA
[2] Childrens Res Inst, Ctr Translat Sci, Washington, DC USA
[3] George Washington Univ, Sch Med & Hlth Sci, Washington, DC 20052 USA
[4] Childrens Natl, Childrens Res Inst, Ctr Translat Sci, Div Biostat & Study Methodol, Washington, DC USA
[5] St Jude Childrens Res Hosp, Dept Infect Dis, 332 N Lauderdale St, Memphis, TN 38105 USA
[6] Childrens Diagnost & Treatment Ctr, Res Dept, Ft Lauderdale, FL USA
[7] Childrens Natl Hlth Syst, Washington, DC USA
[8] St Jude Childrens Res Hosp, 332 N Lauderdale St, Memphis, TN 38105 USA
[9] Univ Miami, Miller Sch Med, Coral Gables, FL 33124 USA
[10] Howard Univ Hosp, Washington, DC USA
[11] Childrens Diagnost & Treatment Ctr, Ft Lauderdale, FL 33316 USA