1 Health Education England (HEE)/National Institute for Health and Care Research (NIHR) Senior Clinical Lecturer, Associate Professor, and Consultant Podiatrist, Leeds Institute of Rheumatic and Musculoskeletal Medicine, University of Leeds, Leeds.
2 Leeds Institute of Health Sciences, University of Leeds, Leeds.
3 Leeds Institute of Rheumatic and Musculoskeletal Medicine, University of Leeds; Consultant Rheumatologist, NIHR Leeds Biomedical Research Centre, Leeds Teaching Hospitals NHS Trust, Leeds.
4 Professor of Health Services Research, Leeds Institute of Health Sciences, University of Leeds, Leeds.