Institution: | a Médecins Sans Frontières, Medical Department (Operational Research), Brussels Operational Center, 68 Rue de Gasperich, L-1617, Luxembourg b Médecins Sans Frontières, Operations Department, Brussels Operational Center, Brussels, Belgium c Médecins Sans Frontières, Ougadugo, Burkina Faso d CHU Yalgado, Ouagadougou, Burkina Faso e Ministerial Coordination Committee on HIV/AIDS, Ouagadougou, Burkina Faso f Médecins Sans Frontières, Medical Department (HIV/AIDS Unit), Brussels Operational Center, Brussels, Belgium g International Union against Tuberculosis and Lung Disease, Paris, France h London School of Hygiene and Tropical Medicine, London, UK |