Accepted for Publication: August 23, 2020.
Published Online: September 25, 2020. doi:10.1001/jamapediatrics.2020.4573
Correction: This article was corrected on November 2, 2020, to add the Funding/Support and Role of the Funder/Sponsor sections and fix the degree for Jasmina Panovska-Griffiths.
Corresponding Author: Russell M. Viner, PhD, UCL Great Ormond Street Institute of Child Health, 30 Guilford St, London WC1N 1EH, United Kingdom (firstname.lastname@example.org).
Author Contributions: Dr Viner had full access to all of the data in the study and takes responsibility for the integrity of the data and the accuracy of the data analysis.
Study concept and design: Viner, Bonell, Hudson, Eggo.
Acquisition, analysis, or interpretation of data: Viner, Mytton, Bonell, Melendez-Torres, Ward, Waddington, Thomas, Russell, van der Klis, Koirala, Ladhani, Panovska-Griffiths, Davies, Booy, Eggo.
Drafting of the manuscript: Viner, Mytton, Bonell, Melendez-Torres, Waddington, Thomas, Eggo.
Critical revision of the manuscript for important intellectual content: All authors.
Statistical analysis: Viner, Melendez-Torres, Waddington, Thomas, Russell, Booy, Eggo.
Administrative, technical, or material support: Viner, Mytton, Waddington, Koirala.
Study supervision: Viner, Bonell, Eggo.
Conflict of Interest Disclosures: Dr Mytton has received grants from the National Institute of Health Research and personal fees from Public Health England. No other disclosures were reported.
Funding/Support: Dr Eggo was supported by grant MR/S003975/1 from Health Data Research UK and grant MC_PC 19065 from the Medical Research Council.
Role of the Funder/Sponsor: The funders had no role in the design and conduct of the study; collection, management, analysis, and interpretation of the data; preparation, review, or approval of the manuscript; and decision to submit the manuscript for publication.
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