1 University Department of Innovative Technologies in Medicine and Dentistry, Gabriele d'Annunzio University, Chieti, Italy.
2 Department of Anesthesiology, Critical Care Medicine, and Emergency, SS Annunziata Hospital, Chieti, Italy.
3 Department of Anesthesiology and Intensive Care Medicine, Fondazione Policlinico Universitario A. Gemelli IRCCS, Catholic University of The Sacred Heart, Rome, Italy.
4 Department of Anesthesia and Intensive Care Unit, Regional University Hospital of Montpellier, St-Eloi Hospital, University of Montpellier, PhyMedExp, INSERM U1046, CNRS UMR, 9214, Montpellier Cedex 5, France.