Funding for this research was provided by:
Invention for Innovation Programme (II-LA-0716-20002)
Received: 16 October 2018
Accepted: 29 January 2019
First Online: 13 February 2019
Ethics approval and consent to participate
: Informed written consent will be obtained from all study participants. This protocol was granted authorisation by Wales Research Ethics Committee 6 on 3 September 2018 (Reference 18/WA/0190), by the UK Medicines and Healthcare products Regulatory Agency on 21 August 2018 (Reference CI/2018/0035) and by the UK Health Research Authority on 7 September 2018 (Reference 231,688).
: Not applicable.
: JGH is the Associate Editor-in-Chief of the British Journal of Anaesthesia and accepts fees for advising in civil, criminal and coronial medicolegal cases. All other authors declare that they have no competing interests.
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