Funding for this research was provided by:
H2020 European Research Council (324176)
economic and social research council (ES/R004285/1)
Article History
Received: 31 March 2021
Accepted: 5 July 2021
First Online: 3 August 2021
Declarations
:
: Ethical approval for the study was obtained from the National Health Service (NHS) National Research Ethics Service (NRES) Committee South Central (14/SC/0128) on the 30th September 2014 (Project ID: 141833). Written consent was obtained from parent consent forms and adolescent assent forms for each participant.
: Consent to publish research findings was obtained from parent consent forms and adolescent consent forms, with the explanation that data would be analysed at a group level, which would not identify the identity of any individual participant or school taking part.
: The authors declare that they have no competing interests.