1. Research and Development Division, Ghana Health Service, Accra, Ghana
2. School of Public Health, University of Ghana, Accra, Ghana
3. Department of Medicine and Therapeutics, Korle-Bu Teaching Hospital, Accra, Ghana
4. Ghana Health Services, Kumasi, Ghana
5. PACKS Africa, Accra, Ghana
6. Department of Child Health, University of Ghana, Accra, Ghana
7. Faculty of Medicine, University of Southampton, Tremona Road, Southampton SO16 6YD, UK
8. Department of Medical Microbiology, University of Ghana, Accra, Ghana
9. Department of Medical Microbiology, Korle-Bu Teaching Hospital, Accra
Ghana
10. Centre for Tropical Clinical Pharmacology and Therapeutics, University of Ghana, Accra, Ghana
11. Family Health Division, Ghana Health Service, Accra, Ghana
12. Department of Community Health, School of Public Health, University of Ghana, Accra, Ghana