1. Harvard University, Boston, MA, USA
2. Fenway Health, Boston, MA, USA
3. Chelsea & Westminster Hospital, London, United Kingdom
4. International Association of Providers of AIDS Care, Washington, DC, USA
5. University of Connecticut, Storrs, CT, USA
6. British HIV Association, London, United Kingdom
7. National AIDS Trust, London, United Kingdom
8. European AIDS Treatment Group, London, United Kingdom
9. Positive Voice, Athens, Greece
10. Bill & Melinda Gates Foundation, Seattle, WA, USA
11. Imperial College, London, United Kingdom
12. World Health Organization, Geneva, Switzerland
13. Kaiser Permanente, Rockville, MD, USA
14. UK Medical Research Council, London, United Kingdom
15. British Columbia Center for Excellence in HIV, Vancouver, Canada
16. University of the Witswatersrand, Johannesburg, South Africa
17. Weill Cornell Medical College, New York, NY, USA
18. University of Dakar, Senegal