1. U.S. Military HIV Research Program, Walter Reed Army Institute of Research , Silver Spring , USA
2. Henry M. Jackson Foundation for the Advancement of Military Medicine , Bethesda , USA
3. HJF Medical Research International , Abuja , Nigeria
4. HJF Medical Research International , Mbeya , Tanzania
5. Makerere University Walter Reed Project , Kampala , Uganda
6. U.S. Army Medical Research Directorate – Africa , Kisumu , Kenya
7. HJF Medical Research International , Kisumu , Kenya
8. HJF Medical Research International , Kericho , Kenya