[1] Univ Calif San Francisco, Div Hosp Med, Dept Med, San Francisco, CA USA
[2] Univ Calif San Francisco, Philip R Lee Inst Hlth Policy Studies, San Francisco, CA USA
[3] Kings Coll London, Cicely Saunders Inst, London, England
[4] Stanford Univ, Dept Anesthesia Perioperat & Pain Med, Stanford, CA USA
[5] Stanford Univ, Stanford Ctr Biomed Ethics, Stanford, CA USA
[6] Massachusetts Gen Hosp, Dept Radiol, Boston, MA USA
[7] Massachusetts Gen Hosp, Dept Med, Div Palliat Care & Geriatr Med, Boston, MA USA
[8] Massachusetts Gen Hosp, Mongan Inst Ctr Aging & Serious Illness, Dept Med, Boston, MA USA
[9] Univ Washington, Dept Med, Div Pulm & Crit Care Med, Seattle, WA USA
[10] Univ Washington, Cambia Palliat Care Ctr Excellence, Seattle, WA USA
[11] Univ Calif San Francisco, UCSF Div Hosp Med, 521 Parnassus Ave,5th Floor,Box 0131, San Francisco, CA 94143 USA