[1] Michigan State Univ, Ctr Eth & Humanities Life Sci, E Lansing, MI 48824 USA
[2] Michigan State Univ, Dept Med, E Lansing, MI 48824 USA
[3] Wayne State Univ, Henry Ford Hosp, Detroit, MI USA
[4] Univ Calif Davis, Div Gen Med Geriatr & Bioeth, Sacramento, CA 95817 USA
[5] NYU, Sch Med, Dept Populat Hlth, New York, NY USA
[6] VA Ann Arbor Ctr Clin Management Res, Dept Internal Med, Ann Arbor, MI USA
[7] Univ Michigan, Dept Psychol, Ann Arbor, MI USA
[8] Univ Utah, Dept Populat Hlth Sci, Salt Lake City, UT USA
[9] Salt Lake City VA Ctr Informat Decis Enhancement, Salt Lake City, UT USA