1 Division of Emergency Medicine, Department of Family, Community and Emergency Care, Faculty of Health Sciences, University of Cape Town, Cape Town, Western Cape, South Africa clint.hendrikse@uct.ac.za.
2 Division of Emergency Medicine, Department of Family, Community and Emergency Care, Faculty of Health Sciences, University of Cape Town, Cape Town, Western Cape, South Africa.
3 Humanitarian and Conflict Response Institute, The University of Manchester, Manchester, UK.
4 Emergency Department, Royal Manchester Children's Hospital, The University of Manchester, Manchester, UK.