1. Optics & Imaging Centre, Doris Duke Medical Research Institute, University of KwaZulu-Natal, Durban, South Africa
2. Department of Biomedical and Clinical Technology, Durban University of Technology, Durban, South Africa
3. Department of Basic Medical Sciences, Durban University of Technology, Durban, South Africa
4. Directorate for Research and Postgraduate Support, Durban University of Technology, Durban, South Africa