1. Lung Clinical Research Unit, University of Cape Town Lung Institute
2. Centre for Lung Infection and Immunity, Department of Medicine, and
3. Medical Research Council Unit, The Gambia at London School of Hygiene and Tropical Medicine, Fajara, Gambia
4. Division of Paediatric Pulmonology and
5. Child Health and Medical Research Council Unit on Child and Adolescent Health, Department of Paediatrics, University of Cape Town, Cape Town, South Africa
6. Department of Paediatrics and Child Health, University of Nairobi, Nairobi, Kenya
7. The Malawi Liverpool Wellcome Trust Clinical Research Programme, Blantyre, Malawi
8. Department of Surgery, Ambrose Alli University, Ekpoma, Nigeria
9. Department of Surgery, Irrua Specialist Teaching Hospital, Irrua, Nigeria
10. Department of Internal Medicine, Kenyatta National Hospital, Nairobi, Kenya; and
11. Kenya Medical Research Institute, Center for Global Health Research, Kisumu, Kenya