1. Hôpital Gui de Chauliac, CHU Montpellier, France.
2. EPIMED c/o Vivantes Auguste-Viktoria-Klinikum, Berlin, Germany.
3. Hospital Universitari Germans Trias i Pujol and the Institut de Recerca de la SIDA-Caixa Foundation, Badalona, Spain.
4. Community Research Initiative of New England, Boston, Massachusetts.
5. National Centre in HIV Epidemiology and Clinical Research, University of New South Wales, Sydney, Australia.
6. Hôpital Bicêtre, Paris, France.
7. University of North Carolina at Chapel Hill School of Medicine, Chapel Hill, North Carolina.
8. HIV Program, Hennepin County Medical Center, Minneapolis, Minnesota.
9. Service des Maladies Infectieuses et Tropicales, Hôpital Pitié-Salpêtrière, Paris, France.
10. Division of Infectious Diseases, University of Colorado Health Sciences Center, Denver, Colorado.
11. Current address: Section of Retroviral Therapeutics, Brigham and Women's Hospital and Harvard Medical School, Boston, Massachusetts.
12. Quest Clinical Research, San Francisco, California.
13. Academic Medical Center, University of Amsterdam, Amsterdam, The Netherlands.
14. IRCCS, San Raffaele Vita-Salute University, Milan, Italy.
15. University of British Columbia, Vancouver, Canada.
16. Chelsea and Westminster Hospital, London, United Kingdom.
17. Oregon Health & Science University, School of Medicine, Portland, Oregon.
18. University Hospital Eppendorf, Hamburg, Germany.
19. Clinique Médicale l'Actuel, Montréal, Canada.
20. University Health Network, University of Toronto, Canada.
21. Roche, Basel, Switzerland.
22. Trimeris, Inc., Morrisville, North Carolina.
23. Roche, Nutley, New Jersey.
24. Roche, Welwyn, United Kingdom.