Funding for this research was provided by:
Health Education England (N/A)
Text and Data Mining valid from 2019-04-23
Received: 21 November 2018
Accepted: 29 March 2019
First Online: 23 April 2019
Ethics approval and consent to participate
: Not applicable.
: Written informed consent was obtained from the participants for publication of their individual details and accompanying tables in this manuscript. The consent form is held by the authors’ institution and is available for review by the Editor-in-Chief.
: The authors do not have competing interests.
: Springer Nature remains neutral with regard to jurisdictional claims in published maps and institutional affiliations.