1. Formerly Northwick Park Hospital, Harrow
2. Defence Medical Rehabilitation Centre, Academic Department of Military Rehabilitation, Stanford Hall, Nottinghamshire
3. Norfolk & Norwich University Hospitals NHS Foundation Trust, Norwich
4. Aberdeen Centre for Arthritis and Musculoskeletal Health, University of Aberdeen, Aberdeen
5. Wrightington, Wigan and Leigh NHS Foundation Trust, Wigan
6. Royal National Hospital for Rheumatic Diseases, Bath
7. Institute for Infection, Immunity and Inflammation, University of Glasgow, Glasgow
8. NIHR Leeds Biomedical Research Centre, Leeds Teaching Hospitals Trust and Leeds Institute of Rheumatic and Musculoskeletal Disease, University of Leeds, Leeds, UK