1. Department of Medicine The University of Melbourne at St Vincent's Hospital Melbourne Victoria Australia
2. Department of Rheumatology St Vincent's Hospital (Melbourne) Melbourne Victoria Australia
3. Rheumatology Unit Royal Adelaide Hospital Adelaide South Australia Australia
4. Discipline of Medicine University of Adelaide Adelaide South Australia Australia
5. Department of Medicine, Division of Rheumatology Alexandra Hospital, National University Health System Singapore
6. Department of Rheumatology and Immunology Singapore General Hospital Singapore
7. Duke National University of Singapore Singapore