[1] VA Eastern Colorado Hlth Care Syst, Rocky Mt Reg VA Med Ctr, Denver Seattle Ctr Innovat Vet Centr & Value Driv, Aurora, CO USA
[2] Canandaigua VA Med Ctr, Geriatr Extended Care & Rehabil, Canandaigua, NY USA
[3] Univ Rochester, Sch Med, Dept Med, Div Geriatr Aging, Rochester, MN USA
[4] SUNY Buffalo, Dept Psychol, Buffalo, NY USA
[5] Univ Rochester, Sch Nursing, Rochester, NY USA
[6] Portland VA Med Ctr, Sect Gen Internal Med, Portland, OR USA
[7] Oregon Hlth & Sci Univ, Div Gen Internal Med & Geriatr, Portland, OR 97201 USA
[8] Univ Colorado, Sch Med, Dept Med, Div Hlth Care Policy & Res, Anschutz Med Campus, Aurora, CO USA