1 Department of Rheumatology and Immunology, Singapore General Hospital, Singapore.
2 Department of Rheumatology and Immunology, Singapore General Hospital, and Duke-NUS Medical School Singapore, Singapore.
3 National Heart Centre, Singapore, and Duke-NUS Medical School Singapore.
4 Department of Rheumatology and Immunology, Singapore General Hospital, Singapore, and Duke-NUS Medical School Singapore.
5 Department of Rheumatology and Immunology, Singapore General Hospital, Singapore, and Duke-NUS Medical School Singapore. andrea.low.h.l@singhealth.com.sg.