Affiliation: | 1. Division of Rheumatology, National University Health System, Singapore;2. Yong Loo Lin School of Medicine, National University of Singapore, Singapore;3. Department of Rheumatology, UPMC Univ Paris 06, GRC-UPMC 08 (EEMOIS), AP-HP, Pitié-Salpêtrière Hospital, Paris, France;4. Department of Rheumatology, University of Sydney, Institute of Bone and Joint Research, Royal North Shore Hospital, St Leonards, Australia |