[1] Wayne State Univ, Childrens Hosp Michigan, Carman & Ann Adams Dept Pediat, Dept Pediat,Div Emergency Med, Detroit, MI 48201 USA
[2] Detroit Med Ctr, Dept Pharm Serv, Detroit, MI USA
[3] Wayne State Univ, Sch Med, Detroit, MI USA
[4] George Washington Univ, Sch Med & Hlth Sci, Childrens Natl Hlth Syst, Emergency Med, Washington, DC 20052 USA