[1] Nationwide Childrens Hosp, Abigail Wexner Res Inst, Ctr Injury Res & Policy, Columbus, OH USA
[2] Oakland Univ, Beaumont Sch Med, Rochester, MI 48063 USA
[3] Ohio State Univ, Coll Med, Dept Pediat, Columbus, OH 43210 USA
[4] Nationwide Childrens Hosp, Cent Ohio Poison Ctr, Columbus, OH USA