Moyo ward, Department of Paediatrics, Queen Elizabeth Central Hospital, Blantyre, Southern Region, Malawi
Jaramogi Oginga Odinga Teaching and Referral Hospital, Kisumu, Kenya
REACH Trust, Lilongwe, Malawi
The Epidemiological Laboratory (EpiLab), Khartoum, Sudan
National Institute for Medical Research Tanzania, Mwanza, Tanzania
Malawi-Liverpool-Wellcome Trust Clinical Research Programme, Blantyre, Chichiri, Malawi
Institute de Recherche en Sciences de la Sante, Direction Regionale de l'Ouest (IRSS-DRO) - / Centre Muraz, Bobo-Dioulasso 01, Burkina Faso
Malawi-Liverpool-Wellcome Trust Research Programme, College of Medicine, Blantyre, Malawi
Bushullo Major Health Centre, Awassa, Southern Region, Ethiopia