1. Division of Paediatric Anaesthesia, Department of Anaesthesia and Peri-operative Medicine, Red Cross War Memorial Children’s Hospital, University of Cape Town, South Africa
2. Division of Global Surgery, Department of Surgery, University of Cape Town, South Africa
3. Discipline of Anaesthesiology and Critical Care, Nelson R Mandela School of Clinical Medicine, University of KwaZulu-Natal, South Africa
4. Department of Anaesthesiology, Steve Biko Academic Hospital, University of Pretoria, South Africa
5. Department of Paediatric Anaesthesia, Nelson Mandela Children’s Hospital and Department of Anaesthesiology, University of the Witwatersrand, South Africa
6. Boston Children’s Hospital, Department of Anesthesiology, Critical Care, and Pain Medicine and Harvard Medical School, United States of America