1. Center for Primary Care and Public Health (Unisanté), University of Lausanne, Lausanne, Switzerland;
2. Swiss Tropical and Public Health Institute (SwissTPH), University of Basel, Switzerland;
3. Ifakara Health Institute, Dar es Salaam, Tanzania;
4. Amana Hospital, Dar es Salaam, Tanzania;
5. Dar es Salaam City Council, Dar es Salaam, Tanzania;
6. Department of Pediatric Emergency Medicine, University Hospital Bern, Bern, Switzerland