[1] Univ Calif Davis, Dept Psychiat & Behav Sci, Northern Calif Vet Adm Hlth Care Syst, Mental Hlth, 10535 Hosp Way, Mather, CA 95655 USA
[2] Univ Calif San Francisco, Vet Affairs Palo Alto Hlth Care Syst, Addict Treatment Serv, 3801 Miranda Ave,Bldg 520F,Mail Code 116A, Palo Alto, CA 94304 USA
[3] Beth Israel Deaconess Med Ctr, Dept Psychiat, Digital Psychiat Div, 330 Brookline Ave, Boston, MA 02215 USA
[4] UCR Hlth Citrus Tower, UC Riverside Dept Psychiat, 3390 Univ Ave,Suite 115, Riverside, CA 92501 USA
[5] Harvard Med Sch, Brigham & Womens Hosp, Dept Psychiat, 60 Fenwood Rd, Boston, MA 02115 USA