[1] Oregon Hlth & Sci Univ, Ctr Improve Veteran Involvement Care, Portland, OR USA
[2] Oregon Hlth & Sci Univ, VA Portland Hlth Care Syst, Div Pulm & Crit Care, Portland, OR USA
[3] Oregon Hlth & Sci Univ, Dept Psychiat, Portland, OR USA
[4] Oregon Hlth & Sci Univ, Knight Canc Inst, Portland, OR USA
[5] Univ Penn, Palliat & Adv Illness Res, Ctr, Philadelphia, PA 19104 USA
[6] Icahn Sch Med Mt Sinai, Div Pulm Crit Care & Sleep Med, New York, NY 10029 USA
[7] Icahn Sch Med Mt Sinai, Dept Med, Dept Emergency Med, New York, NY 10029 USA
[8] Univ Michigan, Div Pulm & Crit Care Med, Ann Arbor, MI 48109 USA
[9] Univ Michigan, Dept Internal Med, Inst Healthcare Policy & Innovat, Ann Arbor, MI 48109 USA
[10] Univ Michigan, Ctr Bioeth & Social Sci Med, Ann Arbor, MI 48109 USA
[11] Case Western Reserve Univ, Resp Inst, Cleveland Clin, Cleveland Clin Lerner Coll Med,Dept Crit Care, Cleveland, OH 44106 USA
[12] Vanderbilt Univ, Div Pulm Allergy & Crit Care Med, 221 Kirkland Hall, Nashville, TN 37235 USA
[13] Ronald Reagan UCLA, Med Ctr, Div Pulm & Crit Care Med, Dept Med,David Geffen Sch Med,UCLA, Los Angeles, CA USA