- Correspondence to Dr Kirsty Challen, Lancashire Teaching Hospitals NHS Trust, Emergency Department, Royal Preston Hospital, Sharoe Green Lane, Preston PR2 9HT, UK;
- Received August 14, 2015
- Revised December 1, 2015
- Accepted December 2, 2015
- First published January 4, 2016.
If you wish to reuse any or all of this article please use the link below which will take you to the Copyright Clearance Center’s RightsLink service. You will be able to get a quick price and instant permission to reuse the content in many different ways.