[1] Univ Geneva, Fac Med, Geneva, Switzerland
[2] Ctr Educ & Res Humanitarian Act CERAH, Geneva, Switzerland
[3] Univ Birmingham, Sch Hlth & Populat Sci, Ctr Biomed Eth, Birmingham, W Midlands, England
[4] Univ Toronto, Dept Family & Community Med, Toronto, ON M5S 1A1, Canada
[5] Kidney Ctr, Karachi, Pakistan
[6] Aga Khan Univ, Karachi, Pakistan
[7] Anusandhan Trust, Bombay, Maharashtra, India
[8] Inst Trop Med, Dept Clin Sci, B-2000 Antwerp, Belgium
[9] Leuven KU, Dept Pharmaceut & Pharmacol Sci, Leuven, Belgium
[10] Monash Univ, Ctr Human Bioeth, Clayton, Vic, Australia
[11] Global Hlth & Bioeth, Pune, Maharashtra, India
[12] Ctr AIDS Programme Res South Africa CAPRISA, Durban, South Africa