Affiliation: | 1. Department of Orthopaedic Surgery, Great Ormond Street Hospital for Children, Great Ormond Street, London, WC1N 3JH, UK;2. Nuffield Department of Orthopaedics, Rheumatology and Musculoskeletal Sciences, University of Oxford, Oxford, OX3 7LD, UK;3. Department of Acute Internal Medicine, North Middlesex University Hospital, London, N18 1QX, UK;4. Department of Plastic and Reconstructive Surgery, Stoke Mandeville Hospital, Aylesbury, HP21 8AL, UK;5. University College London, London, WC1E 6BT, UK |