1. APHP, Hôpital Bichat—Claude Bernard, Laboratoire de Virologie, Paris, 75018 France
2. INSERM, U897.ISPED, Université Victor Segalen Bordeaux 2, Bordeaux, F-33076, France
3. AIDS Reference Laboratory, Université Catholique de Louvain, Louvain-la-Neuve, Belgium
4. Medical Research Council Laboratories, Banjul, Gambia
5. Institute of Virology, Bonn, Germany
6. Laboratório de Biologia Molecular, CHLO—Hospital Egas Moniz, Lisboa, Portugal
7. Department of Infectious Diseases, Hospital Carlos III, Madrid, Spain
8. Department of Virology, Swedish Institute for Infectious Disease Control, Solna, and Department of Microbiology, Tumor and Cell Biology, Karolinska Institutet, Stockholm, Sweden
9. Swiss HIV Cohort Study, Zurich, Switzerland
10. Centre for Virology, Royal Free & University College London Medical School, London, United Kingdom
11. APHP, Hôpital Bichat—Claude Bernard, Service de Maladies Infectieuses et Tropicales, Paris, France