Received: 17 February 2020
Accepted: 7 May 2020
First Online: 16 May 2020
Ethics approval and consent to participate
: The observational character of the present study was confirmed from Ethics Committee of the French Society of Anesthesiology and Intensive Care (IRB number: CERAR 00010254–2018-153), which waived the need for written or oral consent. The patients and/or next of kin were informed about the potential inclusion of their anonymized data for retrospective studies, and none expressed opposition.
: Not applicable.
: The authors declare that they have no competing interests.