[1] Univ Calif Los Angeles, Inst Neuropsychiat, Ctr Hlth Serv Res, Los Angeles, CA 90024 USA
[2] Univ Washington, Dept Psychiat, Seattle, WA 98195 USA
[3] Indiana Univ, Ctr Aging Res, Regenstrief Inst Hlth Care, Indianapolis, IN 46204 USA
[4] Durham Vet Affairs Med Ctr, Ctr Hlth Serv Res Primary Care, Durham, NC USA
[5] Duke Univ, Med Ctr, Durham, NC USA
[6] Kaiser Permanente No Calif, Div Res, Oakland, CA USA
[7] Desert Med Grp, Palm Springs, CA USA
[8] Kaiser Permanente So Calif, San Diego, CA USA
[9] Univ Texas, Hlth Sci Ctr, S Texas Vet Hlth Care Syst, San Antonio, TX USA
[10] Grp Hlth Cooperat Puget Sound, Seattle, WA 98121 USA