1. Musculoskeletal Research Unit, Bristol Medical School, University of Bristol , Bristol, 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. Aberdeen Centre for Arthritis and Musculoskeletal Health (Epidemiology Group), University of Aberdeen , Aberdeen, UK
5. Institute of Cardiovascular and Medical Sciences, University of Glasgow , Glasgow, UK
6. Division of Nursing, Midwifery & Social Work, University of Manchester , Manchester, UK
7. School of Health and Life Science, Glasgow Caledonian University , Glasgow, UK
8. Division of Psychology and Mental Health, University of Manchester , Manchester, UK
9. Institute of Infection, Immunity and Inflammation, University of Glasgow , Glasgow, UK