- Correspondence to Dr Michael Skovdal Rathleff, Orthopaedic Surgery Research Unit, Aalborg University Hospital, Soendre Skovvej 15, Aalborg DK-9000, Denmark;
- Received October 5, 2013
- Revised December 6, 2012
- Accepted February 13, 2013
- First published March 6, 2013.
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