1. Médecins sans Frontières, Amsterdam, Netherlands
2. Institute of Tropical Medicine, Antwerp, Belgium
3. Ministry of Health Uganda, Kampala, Uganda
4. Laboratoire National de Reference, Conakry, Guinea
5. National AIDS and Sexually Transmitted Infections Control Programme, Nairobi, Kenya
6. Regional Delegation of Public Health for the Littoral Region, Yaounde, Cameroon
7. Programme National de Lutte contre le Sida et les IST (PNLS), Bukavu, Democratic Republic of Congo
8. Epicentre, Paris, France