Liverpool School of Tropical Medicine, Karolinska Institutet - Department of Global Public Health, Friends for International TB Relief, Bingham University, University of Malawi - Malawi-Liverpool-Wellcome Trust Clinical Research Programme, Kenya Medical Research Institute (KEMRI) - Centre for Global Health Research, Center for Health Promotion and Research, Universidade Federal de Sergipe, Universidade Federal de Sergipe, International Centre for Diarrheal Disease Research (icddr,b), Stop TB Partnership, Stop TB Partnership, Liverpool School of Tropical Medicine, Liverpool School of Tropical Medicine, Liverpool School of Tropical Medicine, Liverpool School of Tropical Medicine - Department of International Public Health and affiliation not provided to SSRN