Text and Data Mining valid from 2020-03-12
Received: 7 January 2020
Accepted: 2 March 2020
First Online: 12 March 2020
Ethics approval and consent to participate
: Ethical approval was provided by the relevant local University ethics committees (University of Stirling: NICR 18/19–036; Swansea University: 2019–022) and the experiment was conducted in accordance with the Helsinki declaration. All participants provided written informed consent prior to participation.
: Not applicable.
: The authors declare they have no competing interests.