1. Department of Molecular Biology, Biomedical Research and Training Institute, Harare, Zimbabwe.
2. Department of Virology, National Health Laboratory Service, University of KwaZulu-Natal, Durban, South Africa.
3. Department of Medicine, Stanford University School of Medicine, Stanford, California.
4. Department of Mathematics and Computer Science, Emory University, Atlanta, Georgia.
5. African Institute of Biomedical Science and Technology, Harare, Zimbabwe.