[1] Stanford Univ, Sch Med, Div Primary Care & Populat Hlth, Sect Geriatr, Stanford, CA 94305 USA
[2] Vet Affairs Palo Alto Hlth Care Syst, Geriatr Res & Educ Clin Ctr, Palo Alto, CA 94304 USA
[3] Boston Univ, Chobanian & Avedisian Sch Med, Dept Med, Sect Geriatr, Boston, MA USA
[4] Boston Med Ctr, Boston, MA USA
[5] Massachusetts Gen Hosp, Div Palliat Care & Geriatr Med, Boston, MA USA
[6] Harvard Med Sch, Boston, MA USA
[7] VA Puget Sound Hlth Care Syst, Div Nephrol, Seattle, WA USA
[8] Univ Washington, Kidney Res Inst, Div Nephrol, Seattle, WA USA
[9] Vet Affairs Puget Sound Healthcare Syst, Geriatr & Extended Care, Seattle, WA USA
[10] Univ Washington, Dept Med, Div Gerontol & Geriatr Med, Seattle, WA USA