Funding for this research was provided by:
NIHR Great Ormond Street Hospital Biomedical Research Centre
UK Research and Innovation (COVLT0022)
Medical Research Council (MR/P020372/1)
Received: 3 May 2022
Accepted: 14 November 2022
First Online: 30 November 2022
: The study was approved by Yorkshire and the Humber–South Yorkshire Research Ethics Committee (REC reference: 21/YH/0060; IRAS project ID: 293495).
: Not applicable.
: Sir Professor Stephenson is the Chair of the Health Research Authority and therefore recused himself from the research ethics application. All other authors declare no competing interests.