[1] Univ Cincinnati, Coll Med, Dept Emergency Med & Med Educ, Cincinnati, OH 45267 USA
[2] Virginia Commonwealth Univ, Sch Med, Richmond, VA USA
[3] Icahn Sch Med, Dept Emergency Med, Mt Sinai Hlth Syst, New York, NY USA
[4] Amer Board Emergency Med, E Lansing, MI USA
[5] Rush Univ, Dept Emergency Med, Chicago, IL USA
[6] New York Univ Grossman Sch Med, Dept Emergency Med, New York, NY USA