Daniele Poole1, Audrey De Jong2, Giuseppe Citerio3. 1. Operative Unit of Anesthesia and Intensive Care, S. Martino Hospital, Belluno, Italy. 2. Department of Anesthesia and Intensive Care Unit, St-Eloi Hospital. PhyMedExp, Montpellier University, INSERM, CNRS, CHU de Montpellier, France. 3. School of Medicine and Surgery, University of Milano - Bicocca, Monza, Italy. giuseppe.citerio@unimib.it.