- Correspondence to Julia Street, Department of Trauma and Orthopaedics, Morriston Hospital, Heol Maes Eglwys, Morriston, Swansea SA6 6NL, Wales, UK;
- Received 26 March 2017
- Revised 2 May 2017
- Accepted 13 June 2017
- Published online 9 August 2017.
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