1. Teesside University; Health and Social Care Institute; Middlesbrough Tees Valley UK TS1 3BA
2. The University of Manchester, Medical School; Division of Musculoskeletal and Dermatological Sciences; 1st Floor Stopford Building Oxford Road Manchester UK M13 9PT
3. Queen's Medical Centre; Nottingham UK
4. University of Nottingham; Department of Academic Orthopaedics, Trauma and Sports Medicine, School of Medicine; Division of Rheumatology, Orthopaedics and Dermatology, School of Medicine Room WC1375, C Floor, West Block, Queen's Medical Centre, Derby Road Nottingham UK NG7 2UH