1. Department of Rheumatology and Immunology, Singapore General Hospital, Singapore
2. Duke-NUS Medical School, Singapore
3. Yong Loo Lin School of Medicine, National University of Singapore, Singapore
4. Department of General Medicine (Rheumatology), Sengkang General Hospital, Singapore
5. Department of Medicine (Rheumatology), Ng Teng Fong General Hospital, Singapore
6. Division of Rheumatology, Department of Medicine, National University Hospital, Singapore
7. Department of Rheumatology, Allergy and Immunology, Tan Tock Seng Hospital, Singapore
8. Centre for Quantitative Medicine, Duke-NUS Medical School, National University of Singapore, Singapore