1. School of Laboratory Medicine and Medical Sciences, University of KwaZulu–Natal, Durban, South Africa
2. Discipline of Pharmaceutical Sciences, University of KwaZulu–Natal, Durban, South Africa
3. School of Chemistry and Physics, University of KwaZulu–Natal, Durban, South Africa
4. Nelson R. Mandela School of Medicine, University of KwaZulu–Natal, Durban, South Africa