1 L. Ross, PhD, University of Melbourne, Parkville, and Department of Rheumatology, St Vincent's Hospital Melbourne, Fitzroy.
2 S. Bond, MBBS, University of Melbourne, Parkville, and Department of Rheumatology, St Vincent's Hospital Melbourne, Fitzroy.
3 J.A. Day, PhD, University of Melbourne, and Inflammation Division, Walter & Eliza Hall Institute, and Department of Rheumatology, Royal Melbourne Hospital, Parkville, Australia.