Funding for this research was provided by:
Horizon 2020 (675003)
Received: 19 June 2019
Accepted: 19 June 2020
First Online: 26 June 2020
Ethics approval and consent to participate
: The study received approval by the University of Birmingham Science, Technology, Engineering and Mathematics (STEM) ethical review committee (ERN_17_1364). All participants signed an informed consent before data collection commenced.
: Not applicable.
: The authors declare no competing interest.