1. AFV Centre for Rheumatic Diseases, University of Melbourne, Melbourne, VIC.
2. School of Physiotherapy, Faculty of Health Sciences, Curtin University of Technology, Perth, WA.
3. Clinical Epidemiology and Health Services Evaluation Unit, Royal Melbourne Hospital, Melbourne, VIC.
4. Centre For Research Excellence in Patient Safety, Department of Epidemiology and Preventive Medicine, Monash University, Melbourne, VIC.
5. Department of Medicine, University of Melbourne, Melbourne, VIC.