1. Centre for Health Professions Education, Faculty of Medicine and Health Sciences, Stellenbosch University, Stellenbosch, South Africa
2. Division of Anatomical Pathology, Faculty of Health Sciences, University of Cape Town, Cape Town, South Africa
3. Tygerberg Hospital, Western Cape, South Africa
4. MBChB Unit, Faculty of Medicine and Health Sciences, Stellenbosch University, Stellenbosch, South Africa
5. Department of Paediatrics and Child Health, Faculty of Medicine and Health Sciences, Stellenbosch University, Stellenbosch, South Africa