1. University of Leeds, Leeds, UK
2. Leeds Teaching Hospitals NHS Trust, Leeds, UK
3. University of Exeter, Exeter, UK
4. Royal United Hospitals Bath NHS Foundation Trust, Bath, UK
5. Leeds Institute of Rheumatic and Musculoskeletal Medicine, University of Leeds, Leeds, UK
6. Leeds Institute of Rheumatic and Musculoskeletal Medicine, University of Leeds and Consultant Podiatrist, Leeds Teaching Hospitals NHS Trust, Leeds, UK
7. Leeds Institute of Health Science, University of Leeds, Leeds, UK
8. University of Liverpool, Liverpool, UK
9. Alder Hey Children’s Hospital, Liverpool, UK