Funding for this research was provided by:
Barts Charity (421/2301)
Text and Data Mining valid from 2019-11-29
Received: 1 October 2019
Accepted: 21 November 2019
First Online: 29 November 2019
Ethics approval and consent to participate
: Ethical approval for the trial was obtained from the Camden & Kings Cross Research Ethics Committee (16/LO/0328). Valid implied consent is assumed for participation in the trial. Eligible patients are asked for verbal consent to access their data which is in their electronic patient records.
: Not applicable.
: The authors declare that they have no competing interests.