[1] Brigham & Womens Hosp, Internal Med, 75 Francis St, Boston, MA 02115 USA
[2] Dept Res & Acad Engagement Drug Policy Alliance, New York, NY USA
[3] Univ Calif Los Angeles, David Geffen Sch Med, Res Theme Translat Social Sci & Hlth Equ, Los Angeles, CA 90095 USA
[4] Univ Calif Los Angeles, David Geffen Sch Med, Ctr ForSocial Med, Los Angeles, CA 90095 USA
[5] Inst Natl Sante & Rech Med Paris, Paris, France
[6] British Columbia Ctr Subst Use, Vancouver, BC, Canada