1. Departments of Rheumatology, Nuclear Medicine and Anatomical Pathology Royal North Shore Hospital Sydney NSW Australia
2. Department of Rheumatology Prince of Wales Hospital Sydney NSW Australia
3. Prince of Wales Clinical School University of New South Wales Sydney NSW Australia
4. Sutton Arthritis Research Laboratory Kolling Institute, Faculty of Medicine and Health, The University of Sydney Sydney NSW Australia
5. Sangui Bio Pty Ltd. Kolling Institute Sydney NSW Australia
6. Raymond Purves Bone and Joint Research Laboratories Kolling Institute, Faculty of Medicine and Health, University of Sydney Sydney NSW Australia
7. Northern Clinical School University of Sydney Sydney NSW Australia