1. Department
of Chemistry, University of Cape Town, Private Bag, Rondebosch 7701, South Africa
2. Department of Biological Sciences, University of the Pacific, Stockton, California 95211, United States
3. Institut des Sciences et Ingénierie Chimiques, Ecole Polytechnique Fédérale de Lausanne (EPFL), CH-1015 Lausanne, Switzerland
4. Division of Pharmacology, Department of Medicine, University of Cape Town, K45, OMB, Groote Schuur Hospital,
Observatory, 7925, South Africa
5. Institute of Infectious Disease
and Molecular Medicine, University of Cape Town, Rondebosch
7701, South Africa