Funding for this research was provided by:
Wellcome Trust (510564)
Received: 5 November 2019
Accepted: 23 December 2020
First Online: 18 January 2021
Ethics approval and consent to participate
: Ethical approval was obtained from Cardiff University School of Medicine Research Ethics Committee. Written informed consent was obtained from all participants. For young people under the age of 16 years, written or verbal consent was sought from parents or guardians prior to the young person’s participation in the group. The ethics committee provided approval for this approach.
: Not applicable.
: None declared.