[1] Vet Affairs NW Network Mental Illness Res Educ &, Seattle, WA USA
[2] Univ Washington, Dept Psychiat & Behav Sci, Sch Med, Seattle, WA 98195 USA
[3] Vet Affairs Puget Sound Hlth Care Syst, Geriatr Res Educ & Clin Ctr, Seattle, WA 98108 USA
[4] Univ Washington, Div Gerontol & Geriatr Med, Dept Med, Sch Med, Seattle, WA 98195 USA
[5] Univ Washington, Dept Pathol, Sch Med, Seattle, WA 98195 USA