[1] McLaughlin Rotman Ctr Global Hlth, Toronto, ON, Canada
[2] Univ Toronto, St Michaels Hosp, Ctr Global Hlth Res, Toronto, ON M5B 1W8, Canada
[3] Univ Toronto, Ctr Bioeth, Sunnybrook Hlth Sci Ctr, Primary Care Res Unit, Toronto, ON M5S 1A1, Canada
[4] Univ Toronto, Ctr Bioeth, Dept Family & Community Med & Publ Hlth Sci, Toronto, ON M5S 1A1, Canada
[5] Univ Toronto, Ctr Bioeth, Dept Publ Hlth Sci, Toronto, ON M5S 1A1, Canada
[6] Ctr AIDS Programme Res, Durban, South Africa
[7] Univ KwaZulu Natal, Howard Coll, Sch Law, Durban, South Africa
[8] Univ Toronto, Massey Coll, McLaughlin Rotman Ctr Global Hlth, Dept Publ Hlth Sci, Toronto, ON, Canada
[9] Ctr Res Inner City Hlth, Toronto, ON, Canada
[10] Ctr Global Hlth Res, Toronto, ON, Canada
[11] St Michaels Hosp, Keenan Res Ctr, Li Ka Shing Knowledge Inst, Toronto, ON, Canada
[12] Univ Toronto, McLaughlin Rotman Ctr Global Hlth, Dept Med, Toronto, ON, Canada