1. Research Centre for Drugs and Diagnostics, Liverpool School of Tropical Medicine, Liverpool, UK
2. Malawi-Liverpool-Wellcome Trust Clinical Research Programme, Queen Elizabeth Central Hospital, Blantyre, Malawi
3. Mahidol-Oxford Tropical Medicine Research Unit, Mahidol University, Bangkok, Thailand
4. Centre for Tropical Medicine and Global Health, Nuffield Department of Medicine, University of Oxford, Oxford, UK
5. Department of Clinical Sciences, Liverpool School of Tropical Medicine, Liverpool, UK