1. London School of Hygiene and Tropical Medicine, London, United Kingdom;
2. Imperial College London, London, United Kindom;
3. University of Health and Allied Sciences, Ho, Ghana;
4. Medical Research Council Unit, Fajara, The Gambia;
5. World Health Organization, Regional Office for Africa, Brazzaville, Congo;
6. Malaria Research and Training Center, Faculty of Medicine and Odontostomatology, University of Sciences, Techniques and Technologies, Bamako, Mali;
7. Navrongo Health Research Center, Navrongo, Ghana