1. International Centre for Genetic Engineering and Biotechnology (ICGEB), Cape Town, South Africa.
2. Division of Medical Biochemistry and Institute of Infectious Disease and Molecular Medicine, Department of Integrative Biomedical Sciences, Faculty of Health Sciences, University of Cape Town, Cape Town, South Africa.
3. Department of Chemical Engineering, Vaal University of Technology, Vanderbijlpark, South Africa.
4. Division of Human Genetics, Department of Pathology, Institute for Infectious Disease and Molecular Medicine, Faculty of Health Sciences, University of Cape Town, Cape Town, South Africa.
5. Immunology Department, Pathology, University Hospital Southampton, Southampton, United Kingdom.
6. Faculty of Science, University of Portsmouth, Portsmouth, United Kingdom.