[1] San Francisco VA Hlth Care Syst, San Francisco, CA USA
[2] Univ Calif San Francisco, Sch Nursing, Dept Social & Behav Sci, San Francisco, CA USA
[3] Univ Calif San Francisco, Dept Physiol Nursing, San Francisco, CA USA
[4] Univ Calif San Francisco, Global Brain Hlth Inst, San Francisco, CA USA
[5] Massachusetts Gen Hosp, Mongan Inst, Boston, MA USA
[6] Massachusetts Gen Hosp, Div Palliat Care & Geriatr Med, Boston, MA USA
[7] Icahn Sch Med, Brookdale Dept Geriatr & Palliat Med, New York, NY USA
[8] San Francisco VA Hlth Care Syst, 4150 Clement St, San Francisco, CA 94121 USA