Article History
Received: 23 January 2019
Accepted: 29 March 2019
First Online: 15 April 2019
Ethics approval and consent to participate
: The study was approved by both institutions’ review boards for human experimentation. All subjects who regained consciousness signed informed consent while those who did not did not sign but by Italian law were permitted to be included in this study.
: The authors agree to waive copyright and allow this manuscript to be published in Critical Care.
: The authors declare that they have no competing interests.
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