1. Drug Discovery and Development Centre (H3D), University of Cape Town, Rondebosch 7701, South Africa
2. Drug Discovery and Development Centre (H3D), DMPK/Pharmacology, University of Cape Town, Observatory 7925, South Africa
3. Merck Global Health Institute, Ares Trading S.A., a subsidiary of Merck KGaA (Darmstadt, Germany), Coinsins 1267, Switzerland
4. South African Medical Research Council, Drug Discovery and Development Research Unit, Department of Chemistry and Institute of Infectious Disease and Molecular Medicine, University of Cape Town, Rondebosch 7701, South Africa