1. Division of Clinical Pharmacology, Department of Medicine; University of Cape Town; Cape Town South Africa
2. World Wide Antimalarial Resistance Network (WWARN); Oxford UK
3. Mahidol-Oxford Tropical Medicine Research Unit, Faculty of Tropical Medicine; Mahidol University; Bangkok Thailand
4. Centre for Tropical Medicine and Global Health, Nuffield Department of Medicine; University of Oxford; Oxford UK
5. Institute for Global Health, University of Maryland School of Medicine; Baltimore Maryland USA
6. Faculty of Medicine and Health Sciences; Al Neelain University; Khartoum Sudan