[1] Indiana Univ Sch Med, Indianapolis, IN USA
[2] Regenstrief Inst Hlth Care, 1101 W 10th St,RF 239, Indianapolis, IN 46202 USA
[3] Indiana Univ, Ctr Bioeth, Indianapolis, IN USA
[4] Univ Michigan, Inst Healthcare Policy & Innovat, Ann Arbor, MI USA
[5] Univ Michigan, Med Sch, Ann Arbor, MI USA
[6] Univ Michigan, Sch Publ Hlth, Ann Arbor, MI USA
[7] Vet Affairs HSR&D, Ctr Clin Management Res, Ann Arbor, MI USA