[1] Weill Cornell Med Coll, Div Emergency Med, New York, NY 10065 USA
[2] Univ Wisconsin, Sch Med & Publ Hlth, BerbeeWalsh Dept Emergency Med, Madison, WI USA
[3] Amer Geriatr Soc, New York, NY USA
[4] Amer Coll Emergency Phys, Irving, TX USA
[5] Soc Acad Emergency Med, Des Plaines, IL USA
[6] Washington Univ, Sch Med, Becker Med Lib, St Louis, MO USA
[7] Washington Univ, Sch Med, Dept Emergency Med, St Louis, MO USA
[8] Houston Methodist Hosp, Blanton Eye Inst, Dept Ophthalmol, Houston, TX USA
[9] Johns Hopkins Sch Med, Sch Med, Div Geriatr Med & Gerontol, Baltimore, MD USA