1. The Global Tuberculosis Program, Texas Children's Hospital, Section of Global and Immigrant Health, Department of Pediatrics; Baylor College of Medicine; Houston Texas USA
2. Global TB Programme; World Health Organization; Geneva Switzerland
3. Paediatric Department; Luton & Dunstable University Hospital NHS Foundation Trust; Luton UK
4. Health Section; UNICEF; New York New York USA
5. Honorary Research Fellow; Department of Clinical Sciences, Liverpool School of Tropical Medicine; Liverpool UK
6. Test Evaluation Research Group, Institute of Applied Health Research; University of Birmingham; Birmingham UK