- Correspondence to Dr Damian Roland, Emergency Medicine Academic Group, Emergency Department Secretaries, Leicester Royal Infirmary, Leicester LE1 5WW, UK;
- Received 14 June 2013
- Revised 18 September 2013
- Accepted 7 October 2013
- Published in print 1 April 2014.
- Published online 13 March 2014.
- Published first 28 October 2013.
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