1. Department of Microbiology and Immunology, KU Leuven, Herestraat 49, Box 1030, 3000 Leuven, Belgium.
2. Ambassadeurs de Lutte Contre la Tuberculose, Bukavu, Democratic Republic of Congo.
3. Section of Infectious Diseases and Immunity, Imperial College London, London, England.
4. Coordination Provinciale Lèpre et Tuberculose du Sud-Kivu, Bukavu, Democratic Republic of Congo.
5. Challenge TB, United States Agency for International Development, United States of America.
6. Department of Infectious Disease Epidemiology, London School of Hygiene and Tropical Medicine, London, England.
7. International Union against Tuberculosis and Lung Disease, Paris, France.
8. Institut de Recherche Expérimentale et Clinique, Université Catholique de Louvain, Brussels, Belgium.