[1] Vet Affairs Puget Sound Hlth Care Syst, Mental Illness Res Clin & Educ Ctr, Seattle, WA 98108 USA
[2] Univ Washington, Dept Psychiat & Behav Sci, Seattle, WA 98195 USA
[3] Univ Washington, Dept Epidemiol, Seattle, WA 98195 USA
[4] Univ Washington, Alzheimers Dis Res Ctr, Seattle, WA 98195 USA
[5] Univ Washington, Dept Neurol, Seattle, WA 98195 USA
[6] Univ Washington, Dept Med Genet, Seattle, WA 98195 USA