[1] Yale Sch Med, Dept Emergency Med, New Haven, CT 06519 USA
[2] Yale Sch Med, Dept Internal Med, Natl Clinician Scholars Program, New Haven, CT 06519 USA
[3] William S Middleton Mem Vet Adm Med Ctr, Madison, WI USA
[4] Univ Wisconsin, Dept Surg, Sch Med & Publ Hlth, Madison, WI USA
[5] Univ Utah, Coll Nursing, Salt Lake City, UT 84112 USA
[6] Icahn Sch Med Mt Sinai, Dept Emergency Med, New York, NY USA
[7] Icahn Sch Med Mt Sinai, Dept Populat Hlth Sci & Policy, New York, NY USA
[8] Icahn Sch Med Mt Sinai, Inst Hlth Equ Res, New York, NY USA
[9] Univ Chicago, Dept Med, Sect Emergency Med, Sch Med, Chicago, IL USA
[10] New York Univ, Hartford Inst Geriatr Nursing, Rory Meyers Coll Nursing, New York, NY USA
[11] Durham VA Hlth Care Syst, Ctr Innovat Accelerate Discovery & Practice Trans, Durham, NC USA
[12] Univ Pittsburgh, Dept Emergency Med, Pittsburgh, PA USA
[13] Duke Univ, Dept Surg, Div Emergency Med, Sch Med, Durham, NC USA
[14] Durham VA Hlth Care Syst, Dept Emergency Med, Durham, NC USA
[15] Univ N Carolina, Dept Emergency Med, Sch Med, Chapel Hill, NC USA
[16] SUNY Albany, Sch Social Welf, Albany, NY 12222 USA
[17] West Hlth Inst, La Jolla, CA USA
[18] James J Peters VAMC, Geriatr Res Educ & Clin Ctr, Bronx, NY USA
[19] Duke Univ, Sch Med, Dept Med, Durham, NC 27706 USA
[20] Durham VA Hlth Care Syst, Geriatr Res Educ & Clin Ctr, Durham, NC USA
[21] Duke Univ, Ctr Study Human Aging & Dev, Sch Med, Durham, NC USA
[22] Duke Univ, Dept Populat Hlth Sci, Sch Med, Durham, NC USA