1. Rwanda Biomedical Centre, Kigali P.O. Box 7162, Rwanda
2. Biology Department, College of Science and Technology, University of Rwanda, Kigali P.O. Box 3900, Rwanda
3. Department of Microbiology and Parasitology, School of Medicine and Pharmacy, College of Medicine and Health Sciences, University of Rwanda, Kigali P.O. Box 3286, Rwanda
4. School of Public Health, College of Medicine and Health Sciences, University of Rwanda, Kigali P.O. Box 3286, Rwanda
5. King Faisal Hospital, Kigali P.O Box 2534, Rwanda
6. Clinton Health Access Initiative, Kigali P.O. Box 4062, Rwanda
7. Repolicy Research Centre, Kigali P.O. Box 7584, Rwanda
8. College of Medicine and Veterinary Medicine, The University of Edinburgh, Edinburgh EH8 9YL, UK
9. International Centre for AIDS Care and Treatment Program, ICAP, Lusaka P.O. Box 34358, Zambia