aDepartment of Medicine, Division of Infectious Diseases, David Geffen School of Medicine at UCLA, Los Angeles, CA;

bDepartment of Epidemiology, Fielding School of Public Health at UCLA, Los Angeles, CA;

cDepartment of Family Medicine, David Geffen School of Medicine at UCLA, Los Angeles, CA; and

dDepartment of Psychiatry and Biobehavioral Sciences, David Geffen School of Medicine at UCLA, Los Angeles, CA

Correspondence to: Cheríe S Blair, MD, PhD, Department of Medicine, Division of Infectious Diseases David Geffen School of Medicine at the University of California, Los Angeles, 10833 LeConte Avenue, CHS 52-215 Los Angeles, CA 90095 (e-mail: [email protected]).

This work was supported by a seed grant from the Center for HIV Identification, Prevention, and Treatment Services (CHIPTS; P30 MH058107). This work was supported by the National Institute of Mental Health of the National Institutes of Health (T32 MH080634) and the National Institute on Drug Abuse (K23 DA054004).

The authors have no conflicts of interest to disclose.

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