1. Department of Community MedicineUniversity of Zambia School of Medicine Lusaka Zambia
2. Clinical Research DepartmentFaculty of Infectious and Tropical DiseasesLondon School of Hygiene and Tropical Medicine London UK
3. ZAMBART ProjectRidgeway CampusUniversity of Zambia Lusaka Zambia
4. Centre for Infectious Disease Control in Zambia Northmead Lusaka Zambia
5. Department of Global Health and DevelopmentFaculty of Public Health and PolicyLondon School of Hygiene and Tropical Medicine London UK