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