1. Department of Anaesthesia and Pain Management, The Royal Melbourne Hospital, Parkville, Victoria, Australia
2. Department of Medical Imaging and Radiation Sciences, Monash University, Clayton, Victoria, Australia
3. The Australian Pain Society, North Sydney, New South Wales, Australia
4. Psychology Department, Central Adelaide Local Health Network, Adelaide, South Australia, Australia
5. School of Psychology, Faculty of Health and Medical Sciences, The University of Adelaide, Adelaide, South Australia, Australia