[1] University of Cape Town,Pain Management Unit, Department of Anaesthesia and Perioperative Medicine, Neuroscience Institute
[2] Neural Prosthetics and Pain Research Unit,Department of Anaesthesiology
[3] Bionics Institute,Department of Acute Care Surgery
[4] Nelson Mandela Academic Hospital,undefined
[5] Groote Schuur Hospital,undefined
[6] Pain Management Unit,undefined
[7] Department of Anaesthesia and Perioperative Medicine,undefined
[8] D23 Groote Schuur Hospital,undefined
[9] Faculty of Health Sciences,undefined