Affiliation: | 1.Department of Surgery, University of Cape Town Health Sciences Faculty,Groote Schuur Hospital,Cape Town,South Africa;2.Medical Intern,Groote Schuur Hospital,Observatory, Cape Town,South Africa;3.Busamed Hillcrest Private Hospital,Durban,South Africa;4.Orthopaedic Research Unit, Division of Orthopaedic Surgery, University of Cape Town,Groote Schuur Hospital,Observatory, Cape Town,South Africa |