Affiliations.

Ian Liang, BMed. Resident medical officer, 1Department of Rheumatology, Westmead Hospital, Sydney. NSW. Australia 2145;4Clinical Associate Lecturer, Faculty of Medicine and Health, The University of Sydney, Australia. 2006 Mariya Hamid. BSc (Biomed), MBBS, MMed (Clin Epi). Rheumatology registrar, 1Department of Rheumatology, Westmead Hospital, Sydney. NSW. Australia 2145 Deshan Sebaratnam. FACD FRCP. 2Department of Dermatology, Liverpool Hospital, Sydney, NSW, Australia 2170,3Faculty of Medicine, University of New South Wales, Sydney, Australia 2052 Nicholas Manolios, MBBS (Hons) PhD MD FRACP FRCPA.1Department of Rheumatology, Westmead Hospital;4Professor of Rheumatology, Faculty of Medicine and Health, The University of Sydney, Australia. 2006