1. Department of Immunology, Faculty of Medicine, Pharmacy, and Odontology, Cheikh Anta Diop University of Dakar, Dakar, Senegal.
2. Department of Medicine I, Division of Infectious Diseases and Tropical Medicine, Medical University of Vienna, Vienna, Austria.
3. Centre de Recherches Médicales de Lambaréné, Lambaréné, Gabon.
4. Leiden University Center of Infectious Diseases, Leiden, Netherlands.
5. London School of Hygiene and Tropical Medicine, London, UK.
6. Institute of Health Research, Epidemiological Surveillance and Training, Dakar, Senegal.
7. Laboratory of Immunology-Vaccinology, FARAH, University of Liège, Liège, Belgium.
8. Medical Research Council at the London School of Hygiene and Tropical Medicine, Banjul, The Gambia.