1. School of Psychology, University of Sydney, Sydney, NSW 2006, Australia
2. Department of Psychology, Southern Cross University, Coffs Harbour, NSW 2450, Australia
3. Department of Rheumatology, Prince of Wales Hospital, Randwick, Sydney, NSW 2031, Australia
4. Prince of Wales Hospital Clinical School, University of New South Wales, Randwick, Sydney, NSW 2031, Australia
5. Mid-North Coast Arthritis Clinic, Coffs Harbour, NSW 2450, Australia
6. Rural Clinical School, University of New South Wales, Coffs Harbour, NSW 2450, Australia