1. WHO Collaborating Centre in Tuberculosis and Centre for Research Excellence in Tuberculosis, University of Sydney, Sydney, NSW, Australia
2. School of Public Health, University of Sydney, Sydney, NSW, Australia, Department of Global Health and Development, London School of Hygiene & Tropical Medicine, London, UK
3. Desmond Tutu TB Centre, Department of Paediatrics and Child Health, Stellenbosch University, Tygerberg, South Africa