1. Nuffield Department of Orthopaedics, Rheumatology and Musculoskeletal Sciences, University of Oxford, Botnar Research Centre, Nuffield Orthopaedic Centre, Oxford, UK
2. Division of Rheumatology, Orthopaedics and Dermatology, University of Nottingham & Nottingham University Hospitals NHS Trust, Queen’s Medical Centre, Nottingham, UK
3. Pulvertaft Hand Centre, Royal Derby Hospital, Uttoxeter New Road, Derby, UK
4. Rotherham General Hospital, Rotherham, UK
5. Derriford Hospital, Plymouth, UK
6. St John’s Hospital at Howden, Livingston, UK