1. School of Laboratory Medicine and Medical Sciences; College of Health Sciences; University of KwaZulu-Natal; Durban South Africa
2. Optics and Imaging Centre; Doris Duke Medical Research Institute; College of Health Sciences; University of KwaZulu-Natal; Durban South Africa
3. Department of Basic Medical Sciences; Durban University of Technology; Durban South Africa
4. Women's Health and HIV Research Unit; College of Health Sciences; University of KwaZulu-Natal; Durban South Africa