1. Malawi Epidemiology & Intervention Research Unit, Malawi
2. London School of Hygiene & Tropical Medicine, UK
3. Ifakara Health Institute, Dar es Salaam, Tanzania
4. Department of HIV and AIDS, Ministry of Health, Malawi
5. Ministry of Health, Community Development, Gender, Elderly and Children, Dodoma, Tanzania
6. Management Sciences for Health, Malawi
7. Africa Health Research Institute, KwaZulu-Natal, South Africa
8. Kilimanjaro Christian Medical University College, Tanzania