1. Centre for Infectious Disease Research LusakaZambia
2. Graduate School of Health SciencesUniversity of Bern BernSwitzerland
3. Institute of Social and Preventive MedicineUniversity of Bern BernSwitzerland
4. Newlands Clinic HarareZimbabwe
5. Department of MedicineUniversity of Alabama at Birmingham BirminghamAlabamaUSA
6. Department of BiostatisticsSchool of Public HealthUniversity of Ghana AccraGhana
7. Centre for Infectious Disease Epidemiology and ResearchUniversity of Cape Town Cape TownSouth Africa
8. Population Health SciencesBristol Medical School, University of BristolBristolUnited Kingdom
9. Department of Infectious DiseasesBern University HospitalUniversity of Bern BernSwitzerland