1. Repatriation General Hospital; Rheumatology Unit; Daws Road Daw Park South Australia Australia 5041
2. University of Toronto; Department of Medicine, Division of Rheumatology; 60 Murray Street Toronto Ontario Canada M5G 1X5
3. UMDNJ - Robert Wood Johnson Medical School; Division of Rheumatology; MEB 474 New Brunswick NJ USA 08903-0019
4. Department of Epidemiology and Preventive Medicine, School of Public Health and Preventive Medicine, Monash University; Monash Department of Clinical Epidemiology at Cabrini Hospital; Suite 41, Cabrini Medical Centre 183 Wattletree Road Malvern Victoria Australia 3144