1. University of Liverpool School of Medicine, Liverpool, UK
2. Royal Liverpool University NHS Foundation Trust, Liverpool, UK
3. Institute of Life Course and Medical Sciences, University of Liverpool, Liverpool, UK
4. Department of Rheumatology, Queen Elizabeth Hospital, London, UK
5. Manchester Royal Infirmary, Manchester, UK
6. North Manchester General Hospital, Manchester, UK
7. Countess of Chester NHS Foundation Trust, Chester, UK
8. University of Chester, Chester, UK