Funding for this research was provided by:
National Institute for Health Research (n/a)
Text and Data Mining valid from 2019-11-28
Received: 25 January 2019
Accepted: 30 October 2019
First Online: 28 November 2019
Ethics approval and consent to participate
: Ethical approval was granted from the University of Warwick Biomedical and Scientific Research Ethics Committee (REGO-2015-1368). Parental consent for child participation in the NCMP is gained through an opt-out process. Approval to conduct secondary data analysis using data obtained through parental opt-out consent was granted by the Committee.
: Not applicable.
: The authors declare that they have no competing interests.