1. The Walter and Eliza Hall Institute of Medical Research, Parkville, Victoria 3052, Australia
2. Department of Medical Biology, The University of Melbourne, Parkville, Victoria 3052, Australia
3. Monash Institute of Pharmaceutical Sciences, Monash University, 381 Royal Parade, Parkville, Victoria 3052, Australia
4. Medicines for Malaria Venture, ICC, Route de Pré-Bois 20, 1215 Geneva, Switzerland