1 Department of Surgery, Kalafong Provincial Tertiary Hospital, Pretoria, South Africa; Faculty of Health Sciences, University of Pretoria, South Africa. Electronic address: brandon.jackson@up.ac.za.
2 Faculty of Health Sciences, University of Pretoria, South Africa; Department of Internal Medicine, Kalafong Provincial Tertiary Hospital, Pretoria, South Africa.
3 Faculty of Health Sciences, University of Pretoria, South Africa; Department of Radiology, Kalafong Provincial Tertiary Hospital, Pretoria, South Africa.