- Correspondence to Simon B Roberts, Department of Trauma and Orthopaedic Surgery, University of Edinburgh/South East Scotland Deanery, 12 Littlejohn Avenue, Edinburgh, Midlothian EH10 5TG, UK;
- Received October 5, 2012
- Revised December 20, 2012
- Accepted January 19, 2013
- First published February 12, 2013.
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