1. Department of Neurology, Inkosi Albert Luthuli Central Hospital, Durban, South Africa
2. Department of Neurology, University of KwaZulu-Natal, Durban, South Africa
3. Department of Radiology, Inkosi Albert Luthuli Central Hospital, Durban, South Africa
4. Department of Orthopedics, King Dinuzulu Hospital, Durban, South Africa