1. Optics & Imaging Centre, University of KwaZulu-Natal, Durban, South Africa;
2. Discipline of Biochemistry, School of Life Sciences, University of KwaZulu-Natal, Durban, South Africa;
3. Centre for AIDS Programme Research in South Africa, Durban, South Africa;
4. Department of Paediatrics and Child Health, University of KwaZulu-Natal, Durban, South Africa;
5. HIV Pathogenesis Programme, University of KwaZulu-Natal, Durban, South Africa;
6. Department of Obstetrics and Gynaecology, Prince Mshiyeni Memorial Hospital, Durban, South Africa;
7. Woman’s Health and HIV Research Group, University of KwaZulu-Natal, Durban, South Africa