1. KEMRI-Wellcome Trust Collaborative Programme, Kilifi, Kenya
2. Institute of Primate Research, National Museums of Kenya, Nairobi, Kenya
3. Department of Biochemistry, University of Nairobi, Nairobi, Kenya
4. Eastern and Southern Africa Centre of International Parasite Control, Kenya Medical Research Institute, Nairobi, Kenya
5. Division of National Malaria Programme, Ministry of Health, Nairobi, Kenya
6. Centre for Tropical Medicine and Global Health, Nuffield Department of Medicine, University of Oxford, Oxford, United Kingdom