[1] Brown Univ, Sch Publ Hlth, Dept Epidemiol, 121 South Main St,Box G-S-121-2, Providence, RI 02912 USA
[2] Boston Univ, Boston Med Ctr, Grayken Ctr Addict, Sch Med, 801 Massachusetts Ave, Boston, MA 02118 USA
[3] Boston Univ, Boston Med Ctr, Clin Addict Res & Educ Unit, Sect Gen Internal Med,Sch Med, 801 Massachusetts Ave, Boston, MA 02118 USA
[4] Weill Cornell Med Coll, Dept Populat Hlth Sci, 425 East 61st St, New York, NY 10065 USA
[5] Brandeis Univ, Warren Alpert Sch Med, 222 Richmond St, Providence, RI 02903 USA
[6] Brandeis Univ, Heller Sch Social Policy & Management, 415 South St, Waltham, MA 02453 USA
[7] Rhode Isl Hosp, Ctr Biomed Res Excellence Opioids & Overdose, 8 Third St,Second Floor, Providence, RI 02906 USA
[8] Boston Med Ctr, Sect Infect Dis, One Boston Med Ctr Pl, Boston, MA 02118 USA
[9] Boston Univ, Sch Med, 72 East Concord St, Boston, MA 02118 USA
[10] Boston Univ, Sch Publ Hlth, Dept Hlth Law Policy & Management, 715 Albany St, Boston, MA 02118 USA