1. Rega Institute for Medical ResearchKatholieke Universiteit LeuvenB‐3000LeuvenBelgium
2. MIPS/GSF Max‐Planck‐Institut für BiochemieD‐82152MartinsriedGermany
3. Department of Medical MicrobiologyConway Institute of Biomolecular and Biomedical ResearchUniversity College DublinDublin 4Ireland
4. Laboratoire RetrovirusIRDMontpellierFrance
5. African Network of HIV variabilitySenegal