1. Division of Clinical Pharmacology, Department of Medicine, University of Cape Town, Cape Town, South Africa
2. Division of Neurosurgery, Department of Surgery, University of Cape Town, Cape Town, South Africa
3. Neuroscience Institute, University of Cape Town, Cape Town, South Africa
4. Wellcome Centre for Infectious Diseases Research in Africa (CIDRI-Africa), Institute of Infectious Disease and Molecular Medicine, University of Cape Town, Cape Town, South Africa