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. Department of Paediatrics; Baylor College of Medicine; Houston Texas USA
3. Test Evaluation Research Group, Institute of Applied Health Research; University of Birmingham; Birmingham UK
4. Paediatric Department; Luton & Dunstable University Hospital NHS Foundation Trust; Luton UK
5. Health Section; UNICEF; New York New York USA
6. Honorary Research Fellow; Department of Clinical Sciences, Liverpool School of Tropical Medicine; Liverpool UK