Kenya Medical Research Institute (KEMRI) - Kemri-Wellcome Trust Research Programme, University of Oxford - Wellcome Centre for Human Genetics, London School of Hygiene & Tropical Medicine, Oxford University Hospitals - Department of Clinical Biochemistry, Kenya Medical Research Institute (KEMRI) - Kemri-Wellcome Trust Research Programme, Kenya Medical Research Institute (KEMRI) - Kemri-Wellcome Trust Research Programme, Kenya Medical Research Institute (KEMRI) - Kemri-Wellcome Trust Research Programme, Kenya Medical Research Institute (KEMRI) - Kemri-Wellcome Trust Research Programme, Childhood Acute Illness and Nutrition Network, University College London - Institute for Global Health, University of the Witwatersrand - Faculty of Health Sciences, Groupe de Recherche Action en Santé (GRAS), Groupe de Recherche Action en Santé (GRAS), Groupe de Recherche Action en Santé (GRAS), Kenya Medical Research Institute (KEMRI) - Kemri-Wellcome Trust Research Programme, University of the Witwatersrand - Vaccines and Infectious Diseases Analytics Research Unit, University of Oxford - The Jenner Institute, London School of Hygiene & Tropical Medicine - Medical Research Council Unit The Gambia, Emory University, London School of Hygiene & Tropical Medicine, Kenya Medical Research Institute (KEMRI) - Kemri-Wellcome Trust Research Programme and Kenya Medical Research Institute (KEMRI) - Kemri-Wellcome Trust Research Programme

London School of Hygiene & Tropical Medicine - Department of Clinical Research, Makerere University - Infectious Diseases Institute, University of Kansas - University of Kansas Medical Center, Makerere University - Infectious Diseases Institute, University of Minnesota - Minneapolis, Makerere University - Infectious Diseases Institute, Makerere University - Infectious Diseases Institute, Makerere University - Infectious Diseases Institute, Mbarara University of Science and Technology, Makerere University - Infectious Diseases Institute, Makerere University - Infectious Diseases Institute, Makerere University - Infectious Diseases Institute, Mbarara University of Science and Technology - Department of Internal Medicine, London School of Hygiene & Tropical Medicine - MRC Tropical Epidemiology Group (TEG), London School of Hygiene & Tropical Medicine, Makerere University - Infectious Diseases Institute, University of Minnesota - Minneapolis and Independent