1 Chelsea and Westminster Hospital, London, UK; the International AIDS Society, Switzerland, Geneva.
2 the International AIDS Society, Switzerland, Geneva; Desmond Tutu HIV Research Foundation, University of Cape Town, Cape Town, South Africa.
3 the International AIDS Society, Switzerland, Geneva; University of Malaya, Kuala Lumpur, Malaysia.
4 Department of Medicine, University of California San Francisco, San Francisco, CA, USA.
5 The Lancet, London, UK.
6 Center for Public Health and Human Rights, Johns Hopkins Bloomberg School of Public Health, Baltimore, MD 21205, USA. Electronic address: cbeyrer@jhu.edu.