1. Department of Rheumatology, Leeds Teaching Hospitals NHS Trust , Leeds, UK
2. School of Health and Social Wellbeing, University of the West of England , Bristol, UK
3. Academic Rheumatology, Bristol Royal infirmary , Bristol, UK
4. Patient and Public Involvement Group, Leeds Biomedical Research Centre , Leeds, UK
5. Rheumatology Unit, The Queen Elizabeth Hospital, Woodville, South Australia, Australia; and the University of Adelaide , Adelaide, South Australia, Australia
6. Leeds Biomedical Research Centre, Leeds Teaching Hospitals NHS Trust , Leeds, UK
7. Leeds Institute of Rheumatic and Musculoskeletal Medicine, University of Leeds , Leeds, UK