1 Stop TB Partnership Secretariat, Global Health Campus, Geneva, Switzerland.
2 Zankli Medical Services, Abuja, Nigeria.
3 Marien Nguabi University, Brazzaville, Congo; Institute for Tropical Medicine, University of Tübingen, Tübingen, Germany.
4 Ministério da Saúde, Secretaria de Vigilância em Saúde, Brasília, Brazil; Ministry of Health, National Tuberculosis Control Program, Brasilia, Brazil.
5 Division of Infection and Immunity, Center for Clinical Microbiology, University College London, London, UK; National Institute for Health Research Biomedical Research Centre, University College London Hospitals NHS Foundation Trust, London EC1V 2PD, UK. Electronic address: a.zumla@ucl.ac.uk.