[1] South African Med Res Council, Alcohol Tobacco & Other Drug Res Unit, Cape Town, South Africa
[2] Stellenbosch Univ, Inst Life Course Hlth Res, Dept Global Hlth, Stellenbosch, South Africa
[3] Univ Cape Town, Dept Psychiat & Mental Hlth, Cape Town, South Africa
[4] RTI Int, Subst Use Gender & Appl Res Program, Res Triangle Pk, NC 27709 USA
[5] Univ N Carolina, Gillings Sch Global Publ Hlth, Chapel Hill, NC USA
[6] North Carolina State Univ, Psychol, Raleigh, NC USA
[7] Duke Univ, Sch Med, Psychiat & Behav Sci, Durham, NC 27708 USA
[8] Curtin Univ, Curtin enAble Inst, Bentley, WA, Australia
[9] Stellenbosch Univ, Dept Psychiat, Stellenbosch, South Africa
[10] Temple Univ, Dept Obstet Gynecol & Reprod Sci, Lewis Katz Sch Med, Philadelphia, PA USA