1. Groote Schuur Hospital, Anzio Road, J45 Old Main Building, Cape Town 7925, South Africa
2. Vascular & Endovascular Surgery Unit, Department of Surgery, Medical School, University of Cape Town, Cape Town 7925, South Africa
3. Division of General Surgery, Department of Surgery, Medical School, University of Cape Town, Cape Town 7925, South Africa
4. Division of Forensic Medicine, Department of Pathology, University of Cape Town, Medical Campus, Falmouth Building, Cape Town 7925, South Africa