Affiliation: | 1. Trauma and Orthopaedic Department, University College London Hospitals NHS Foundation Trust, 250 Euston Road, London NW1 2PG, United Kingdom;2. The Royal Berkshire NHS Foundation Trust, United Kingdom;3. University Hospitals Coventry and Warwickshire NHS Trust, United Kingdom;4. Bradford Teaching Hospitals NHS Foundation Trust, United Kingdom;5. University College London Hospitals NHS Foundation Trust, London, United Kingdom |