1. Liverpool Brain Injury Rehabilitation Unit, Liverpool Hospital, Sydney, New South Wales, Australia
2. Brain Injury Rehabilitation Service, Westmead Hospital, Sydney, New South Wales, Australia
3. School of Community Health, Charles Sturt University, Albury, New South Wales, Australia
4. Brain Injury Rehabilitation Research Group, Ingham Institute of Applied Medical Research, Sydney, New South Wales, Australia
5. John Walsh Centre for Rehabilitation Research, Kolling Institute, University of Sydney, Sydney, New South Wales, Australia