1. HIV Programmes and Advocacy, International AIDS Society, Geneva, Switzerland.
2. Vaccine and Infectious Disease Division, Fred Hutch Cancer Center, Seattle, Washington, USA.
3. Department of Global Health, University of Washington, Seattle, Washington, USA.
4. Forum for Collaborative Research, UC Berkeley School of Public Health, Berkeley, California, USA.
5. Desmond Tutu HIV Centre, Cape Town, South Africa.