Correction to: Crit Care (2021) 25:331 https://doi.org/10.1186/s13054-021-03727-x

Following publication of the original article [1], the authors identified an error in the Funding section.

The updated Funding section is given below and the changes have been highlighted in bold typeface.

Funding

Financial support was provided by the Instituto de Salud Carlos III de Madrid (COV20/00110, ISCIII), Fondo Europeo de Desarrollo Regional (FEDER), "Una manera de hacer Europa", and by the Centro de Investigación Biomedica En Red – Enfermedades Respiratorias (CIBERES). DdGC has received financial support from Instituto de Salud Carlos III (Miguel Servet 2020: CP20/00041), co-funded by European Social Fund (ESF)/”Investing in your future”.

The original article [1] has been corrected.