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