1. Discipline of Pharmaceutical Sciences, School of Health Sciences, University of KwaZulu-Natal, Westville, Durban- 4001, South Africa
2. Molecular Modeling and Drug Design Research Group, College of Pharmacy and Pharmaceutical Science Research Center, Florida Agricultural and Mechanical University (FAMU), Tallahassee, Florida 32307, United States
3. Discipline of Pharmaceutical Sciences, School of Health Sciences, University of KwaZulu-Natal, Westville, Durban-4001, South Africa