[1] Univ Michigan, Dept Internal Med, Ann Arbor, MI USA
[2] NYU, Sch Global Publ Hlth, Dept Social & Behav Sci, Dept Epidemiol, New York, NY USA
[3] Univ Michigan, Dept Internal Med, Div Pulm & Crit Care Med, Ann Arbor, MI USA
[4] VA Ctr Clin Management Res, Ann Arbor, MI USA
[5] Univ Michigan, Inst Healthcare Policy & Innovat, Ann Arbor, MI USA
[6] Univ Michigan, Univ Michigan Hosp, Med Ctr, Ann Arbor, MI 48109 USA