1. Nuffield Department of Orthopaedics, Rheumatology and Musculoskeletal Sciences, University of Oxford, UK
2. Rheumatology Department, Queen Elizabeth Hospital, NHS Foundation Trust, Kings Lynn, Norfolk, UK
3. Department of Population Health Sciences, School of Population Health and Environmental Sciences, King’s College London, London, UK
4. The University of Sydney School of Medicine, The University of Sydney, Australia