1. Center for Research in Therapeutic Sciences, Strathmore University, Nairobi, Kenya.
2. Institute of Tropical Medicine and Infectious Diseases, Nairobi, Kenya.
3. Jomo Kenyatta University of Agriculture and Technology, Nairobi, Kenya.
4. African Center for Clinical Trials, Nairobi, Kenya.
5. Institute of Healthcare Management, Strathmore University, Nairobi, Kenya.
6. Kenyatta University, Nairobi, Kenya.
7. Kenya Medical Research Institute, Nairobi, Kenya.
8. Department of Immunology and Infectious Diseases, Harvard School of Public Health, Boston, Massachusetts.