1. Department of Chemistry, University of Cape Town, Rondebosch 7701, South Africa
2. Drug Discovery and Development Centre (H3D), Division of Clinical Pharmacology, Department of Medicine, University of Cape Town, Observatory 7925, South Africa
3. Department of Biochemistry, Genetics and Microbiology, Institute for Sustainable Malaria Control, University of Pretoria, Private Bag X20, Hatfield 0028, South Africa
4. Instituto de Medicina Molecular, Faculdade de Medicina, Universidade de Lisboa, Av. Prof. Egas Moniz, 1649-028 Lisboa, Portugal
5. Department of Molecular Medicine and Haematology, School of Pathology, Faculty of Health Sciences, University of the Witwatersrand and National Health Laboratory Service, Johannesburg 2193, South Africa
6. Institute of Infectious Disease and Molecular Medicine, University of Cape Town, Rondebosch 7701, South Africa
7. Swiss Tropical and Public Health Institute, Socinstrasse 57, 4002 Basel, Switzerland
8. University of Basel, 4003 Basel, Switzerland
9. South African Medical Research Council Drug Discovery and Development Research Unit, Department of Chemistry, University of Cape Town, Rondebosch 7701, South Africa