1. Department of Neurology, Canberra Hospital, Garran, Australian Capital Territory, Australia
2. Department of Neurology, Westmead Hospital, Sydney, New South Wales, Australia
3. Stroke Service, Calvary Public Hospital, Bruce, Australian Capital Territory, Australia
4. Department of Medical Oncology, Westmead and Blacktown Hospitals, the Melanoma Institute Australia and the University of Sydney, Australia