1. Desmond Tutu TB Centre, Department of Paediatrics and Child Health, Faculty of Health Sciences, Stellenbosch University, Cape Town, South Africa
2. Department of Tuberculosis Control, Municipal Public Health Service Rotterdam-Rijnmond, Rotterdam, The Netherlands
3. KNCV Tuberculosis Foundation, The Hague, The Netherlands; and Centre for Infection and Immunity Amsterdam (CINIMA), Academic Medical Centre, University of Amsterdam, The Netherlands
4. International Union Against Tuberculosis and Lung Disease, Paris, France
5. Biostatistics Unit, Medical Research Council, Cape Town, South Africa
6. Division of Community Health, Stellenbosch University, Cape Town, South Africa