From the Paediatric Surgery (A.T.R.), Royal Hospital for Sick Children, Edinburgh; Nuffield Department of Orthopaedics, Rheumatology and Musculoskeletal Sciences (C.J.K.B.), University of Oxford, Oxford, United Kingdom. Submitted: February 1, 2012, Revised: July 3, 2012, Accepted: July 4, 2012. Address for reprints: Andrew T. Robertson, BM BCh, FY2, Paediatric Surgery, Royal Hospital for Sick Children, 9 Sciennes Road, Edinburgh EH9 1LF, Scotland; email: [email protected].
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Robertson et al. (2012) studied this question.
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