- Correspondence to Helen Pocock, South Central Ambulance Service NHS Foundation Trust, c/o Bracknell Ambulance Station, Old Bracknell Lane West, Bracknell, Berkshire RG12 7AE, UK;
- Received April 9, 2015
- Revised January 27, 2016
- Accepted February 3, 2016
- First published February 25, 2016.
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