Funding for this research was provided by:
Instituto de Salud Carlos III (PI09/01000)
European Society of Intensive Care Medicine (ECCRN Clinical Research Award)
Received: 21 February 2020
Accepted: 26 April 2020
First Online: 11 May 2020
Ethics approval and consent to participate
: The local Ethics Committee (CEIC 2008/554) approved the study. Informed consent was obtained from the patient or their next of kin prior to the study initiation.
: Not applicable.
: The authors declare that they have no conflict of interest.