1. Stoke Mandeville Hospital, Buckinghamshire Healthcare NHS Trust; Department of Plastic Surgery; Aylesbury Buckinghamshire UK HP21 8AL
2. University of Oxford; Nuffield Department of Orthopaedics, Rheumatology and Musculoskeletal Sciences (NDORMS); Kadoorie Centre Headley Way Oxford UK OX3 9DU
3. University of Oxford; Kennedy Institute of Rheumatology; Roosevelt Drive, Old Road Campus Headington Oxford Oxon UK OX3 7FY