Funding for this research was provided by:
Research and Development Division, Public Health Agency, Northern Ireland (N/A)
Article History
Accepted: 13 November 2020
First Online: 12 January 2021
Compliance with Ethical Standards
:
: The authors declare that they have no conflict of interest.
: Ethical approval was provided by the University of Liverpool (Scottish Study), and by Queens University Belfast (Northern Ireland Study).
: Informed parental consent was gathered for all participants. Additionally, all participants provided consent to participate on the day of data collection.