1. Drug Discovery and Development Centre (H3D), University of Cape Town, Rondebosch 7701, South Africa
2. Independent, 4 The Maltings, Walmer, Kent CT147AR, United Kingdom
3. Medicines for Malaria Venture, Geneva 1215, Switzerland
4. Global Health Institute of Merck, Ares Trading S.A., Route de Crassier 1, 1262 Eysins, Switzerland