1. Department of Microbiology and Immunology Muhimbili University of Health and Allied Sciences Dar es Salaam Tanzania
2. Department of Internal Medicine Muhimbili National Hospital Dar es Salaam Tanzania
3. Department of Clinical Pharmacology Muhimbili University of Health and Allied Sciences Dar es Salaam Tanzania
4. Department of Community Health Muhimbili University of Health and Allied Sciences Dar es Salaam Tanzania
5. National AIDS Control Program Dodoma Tanzania
6. Management and Development for Health Dar es Salaam Tanzania
7. Department of Global Health and Population Harvard T. Chan School of Public Health Boston Massachusetts USA
8. Department of Internal Medicine Muhimbili University of Health and Allied Sciences Dar es Salaam Tanzania