Funding for this research was provided by:
Royal College of Emergency Medicine (N/A)
Text and Data Mining valid from 2020-01-31
Received: 2 September 2019
Accepted: 19 January 2020
First Online: 31 January 2020
Ethics approval and consent to participate
: This study was approved by the NRES Committee East of England - Essex.Study reference 15/EE/0227.
: All participants consented for study data to be published.
: The authors declare that they have no competing interests.