Whitfield, H. https://orcid.org/0000-0002-7372-9586
Hargreaves, D. https://orcid.org/0000-0003-0722-9847
Nicholls, D. https://orcid.org/0000-0001-7257-6605
Watt, H. C. https://orcid.org/0000-0001-9576-3753
Creese, H. https://orcid.org/0000-0003-0431-7753
Article History
Received: 2 August 2022
Accepted: 9 May 2023
First Online: 24 May 2023
Declarations
:
: The Millennium Cohort Study was approved by the Southwest and London Multi-Centre Research Ethics Committees. The Millennium Cohort Study protocol meets the ethical requirement of the Helsinki Declaration and ethical approval. The study has been fully anonymized and did not require additional ethics review for our study. Written informed consent to participate in each sweep was provided by the participants’ parent or legal guardian.
: Not applicable
: The authors declare no competing interests.