Funding for this research was provided by:
Imperial College London (Covid response award)
Royal Brompton and Harefield NHS Foundation Trust (RB&H Charity)
Received: 28 February 2021
Accepted: 18 March 2021
First Online: 11 May 2021
: BVP reports consulting fees from GSK and Faraday Health; grants from Mermaid Care A/C, grants from ESICM, grants from Royal Brompton & Harefield Charity, grants from European Commission, grants from Academy of Medical Sciences, grants from Imperial College London Covid Fund. ACG reports grants from NIHR Imperial BRC, grants from NIHR Research Professorship, during the conduct of the study; other from Bristol-Meyers Squibb, other from GSK. ZP reports honoraria for consultancy from GlaxoSmithKline, Lyric Pharmaceuticals, Faraday Pharmaceuticals and Fresenius-Kabi, and speaker fees from Orion, Baxter, Nutricia and Nestle and educational grants from Baxter and VitaFlo. AAF reports grants from Imperial College London and the UKRI, during the conduct of the study. All other authors report no conflicts of interest.