Funding for this research was provided by:
School for Public Health Research
Text and Data Mining valid from 2019-08-28
Received: 8 April 2019
Accepted: 18 August 2019
First Online: 28 August 2019
Ethics approval and consent to participate
: The study was approved by the School for Policy Studies ethics and research committee at the University of Bristol and written informed consent was obtained from all participants. This included consent for publication of the findings and the use of anonymised quotations in publications.
: All participants were asked for consent to use non-attributable quotes in publications during the consenting process. Other than this, no individual data, images or videos of participants have been published.
: The authors declare that they have no competing interests.