1. Department of Community Medicine, University of Calabar, Calabar, Cross River, Nigeria
2. Department of Medicine, Alex Ekwueme University Teaching Hospital, Abakaliki, Ebonyi, Nigeria
3. Department of Medicine, College of Medicine, University of Lagos, Lagos, Nigeria
4. Department of Community Medicine, University of Calabar Teaching Hospital, Calabar, Cross River, Nigeria,
5. Department of Pediatrics, University of Calabar Teaching Hospital, Calabar, Cross River, Nigeria,
6. Department of Pediatrics, Ola During Children’s Hospital, Freetown, Sierra Leone,
7. Department of International Health, Liverpool School of Tropical Medicine, Liverpool, United Kingdom
8. International Programs and Activities Unit, American Thoracic Society, New York,
9. Division of Pulmonary and Critical Care Medicine, Oregon Health and Science University, Portland, Oregon,
10. Department of Clinical Sciences, Liverpool School of Tropical Medicine, Liverpool, United Kingdom,
11. Department of Pediatrics, University of Kwazulu Natal, Durban, South Africa,