[1] Montefiore Nyack Hosp, Dept Emergency Med, Nyack, NY USA
[2] New York Presbyterian Hosp Weill Cornell Med, Dept Emergency Med, Div Pediat Emergency Med, New York, NY USA
[3] Univ Cincinnati, Cincinnati Childrens Hosp Med Ctr, Coll Med, Div Emergency Med, Cincinnati, OH USA
[4] Yale Univ, Sch Med, Dept Pediat, Sect Pediat Emergency Med, New Haven, CT USA
[5] Yale Univ, Sch Med, Dept Emergency Med, Sect Pediat Emergency Med, New Haven, CT USA
[6] Univ Kentucky, Dept Emergency Med, Div Pediat Emergency Med, Lexington, KY USA
[7] Univ Southern Calif, Childrens Hosp Angeles, Keck Sch Med, Div Emergency & Transport Med, Los Angeles, CA USA
[8] Univ Alabama Birmingham, Heersink Sch Med, Dept Pediat, Div Emergency Med, Birmingham, AL USA
[9] Yale Univ, Sch Med, Dept Pediat, Sect Pediat Emergency Med, 100 York St,Suite 1D, New Haven, CT 06510 USA
[10] Yale Univ, Sch Med, Dept Emergency Med, Sect Pediat Emergency Med, 100 York St,Suite 1D, New Haven, CT 06510 USA