1. Department of Biochemistry, Genetics and Microbiology, University of Pretoria Institute for Sustainable Malaria Control, University of Pretoria, Hatfield, South Africa
2. Department of Chemistry, University of Cape Town, Rondebosch, South Africa
3. Department of Chemistry, University of Zambia, Lusaka, Zambia.
4. Institute of Infectious Disease and Molecular Medicine, University of Cape Town, Rondebosch, South Africa
5. South African Medical Research Council Drug Discovery and Development Research Unit, University of Cape Town, Rondebosch, South Africa