1. Global Surgery Division University of Cape Town Cape Town South Africa
2. College of Medical and Dental Sciences Birmingham UK
3. Faculty of Medicine University of Tripoli Tripoli Libya
4. Glasgow Royal Infirmary Glasgow UK
5. Department of Anaesthesiology and Critical Care Stellenbosch University and Tygerberg Hospital Cape Town South Africa
6. Faculty of Health Sciences University of Cape Town Cape Town South Africa
7. National Perinatal Epidemiology Unit Nuffield Department of Population Health University of Oxford Oxford UK
8. Division of Critical Care University of Cape Town Cape Town South Africa
9. Department of Anaesthesia and Peri‐operative Medicine Groote Schuur Hospital Faculty of Health Sciences University of Cape Town Cape Town South Africa