1. Department of Paediatrics Muhimbili National Hospital (MNH) Dar es Salaam Tanzania
2. Department of Paediatrics and Child Health School of Medicine Muhimbili University of Health and Allied Sciences (MUHAS) Dar es Salaam Tanzania
3. Department of Emergency Medicine Muhimbili National Hospital Dar es Salaam Tanzania
4. Department of Emergency Medicine School of Medicine Muhimbili University of Health and Allied Sciences (MUHAS) Dar es Salaam Tanzania