[1] Childrens Hosp Philadelphia CHOP, Roberts Ctr Pediat Res, Policylab, Philadelphia, PA USA
[2] CHOP, Dept Pediat, Philadelphia, PA USA
[3] CHOP, Roberts Ctr Pediat Res, Dept Biomed & Hlth Informat, Philadelphia, PA USA
[4] CHOP, Dept Emergency Med, Philadelphia, PA USA
[5] Univ Missouri Kansas City, Sch Med, Childrens Mercy Univ Kansas Hosp, Childrens Mercy Hosp & Clin,Div Adolescent Med,Uni, Kansas City, KS USA
[6] CHOP, Specialty Care Ctr, Div Adolescent Med, Philadelphia, PA USA
[7] Childrens Mercy Hosp CMH, Dept Emergency Med, Kansas City, MO USA
[8] Univ Pittsburgh, Sch Med, UPMC Childrens Hosp Pittsburgh, Div Adolescent & Young Adult Med,Univ Ctr,Publ Hlt, Pittsburgh, PA USA
[9] Univ Missouri Kansas City, Univ Kansas, Sch Med, Dept Emergency Med,CMH, Kansas City, MO USA
[10] Univ Penn, Dept Pediat, Dept Emergency Med, CHOP,Perelman Sch Med, Philadelphia, PA USA