[1] Ann & Robert H Lurie Childrens Hosp Chicago, Dept Pediat, Div Emergency Med, Chicago, IL 60611 USA
[2] Ann & Robert H Lurie Childrens Hosp Chicago, Pritzker Dept Psychiat & Behav Sci, Chicago, IL 60611 USA
[3] Ann & Robert H Lurie Childrens Hosp Chicago, Data Analyt & Reporting, Chicago, IL 60611 USA
[4] Northwestern Univ, Surg Outcomes & Qual Improvement Ctr, Dept Surg, Feinberg Sch Med, Chicago, IL USA
[5] Ann & Robert H Lurie Childrens Hosp Chicago, Div Emergency Med, 225 East Chicago Ave, Chicago, IL 60611 USA