Funding for this research was provided by:
National Institute for Health Research (NIHR/CS/009/007, RP-2015-06-018)
NIHR Imperial Biomedical Research Centre
Intensive Care Society
Accepted: 29 September 2022
First Online: 11 January 2023
: ACG reports that he has consulted for GSK and 30 Respiratory, with funds paid to his institution. Other authors declare that they have no competing interests.