[1] Univ Calif San Francisco, Dept Psychiat & Behav Sci, San Francisco, CA USA
[2] Alliant Int Univ, Calif Sch Profess Psychol, Emeryville, CA USA
[3] Univ Calif San Francisco, San Francisco, CA USA
[4] San Francisco VA Med Ctr, Dept Psychiat & Behav Sci, San Francisco, CA USA
[5] San Francisco VA Med Ctr, Dept Neurol, San Francisco, CA USA
[6] San Francisco VA Med Ctr, Dept Epidemiol, San Francisco, CA USA