1. Institute of Microbiology, University Hospital Center, University of Lausanne
2. Basel Institute for Clinical Epidemiology and Biostatistics, University Hospital Basel
3. Swiss Institute of Bioinformatics, Lausanne, and
4. École Polytechnique Fédérale de Lausanne, Switzerland
5. International Network for Strategic Initiatives in Global HIV Trials
6. University of Copenhagen, Denmark
7. University of Minnesota, Minneapolis
8. Laboratory of Anthropology, Department of Genetics and Evolution, University of Geneva
9. AIDS Therapy Evaluation in the Netherlands, Amsterdam
10. Swiss HIV Cohort Study
11. Division of Infectious Diseases, University Hospital, Bern, Switzerland
12. Division of Infectious Diseases and Hospital Epidemiology, University Hospital Zurich, University of Zurich
13. Department of Infectious Diseases, University of Brescia
14. Infectious Diseases Unit, University “Magna Graecia,” Catanzaro, Italy
15. Multicenter AIDS Cohort Study
16. University of Modena and Reggio Emilia, Italy
17. Intramural National Institute of Allergy and Infectious Diseases Cohort, Bethesda, Maryland
18. Hospital Clinic-IDIBAPS, Barcelona, Spain
19. Australian HIV Observational Database, The Kirby Institute, University of New South Wales Darlinghurst, Australia
20. University Hospital Bonn, Germany
21. Saint-Pierre University Hospital, Brussels, Belgium
22. Center HIV Hepatogastroenterology Düsseldorf, Germany
23. Cohorte LATINA (Argentinian component), Buenos Aires, Argentina
24. University Hospital Son Espases, Palma de Mallorca, Spain
25. Università Cattolica del Sacro Cuore Cohort, Rome, Italy
26. Italian Cohort Naive for Antiretrovirals Foundation, Italy
27. University Hospital La Paz and IdiPAZ Biobanco, Madrid, Spain
28. University Hospital Germans Trias i Pujol, Badalona
29. University Hospital de la Santa Creu i Sant Pau Cohort, Autonomous University, Barcelona, Spain
30. University Hospital Cologne, Germany
31. Hospital Santa Tecla i Sant Pau, Tarragona, Spain
32. School of Medicine and Medical Science, University College Dublin
33. St James's Hospital
34. Mater Misericordiae University Hospital, Dublin, Ireland
35. Tufts University School of Medicine, Boston, Massachusetts
36. Kantonsspital Baselland, Bruderholz, University of Basel