Received: 8 April 2019
Accepted: 25 June 2019
First Online: 4 July 2019
Ethics approval and consent to participate
: Not applicable.
: Both the authors approved the final version.
: Giuseppe Citerio is Editor-in-Chief of Intensive Care Medicine and he has received honoraria/travel expenses for serving as a speaker from Codman/Integra (2019), Nestle (2018), Neuroptics (2019), UCB Pharma (2018). Chiara Robba declares no competing interests.