1 Department of Emergency, Intensive Care Medicine and Anesthesia, IRCCS A. Gemelli University Polyclinic Foundation, Rome, Italy.
2 Department of Anesthesiology and Intensive Care Medicine, Sacred Heart Catholic University, Rome, Italy.
3 Department of Emergency, Intensive Care Medicine and Anesthesia, IRCCS A. Gemelli University Polyclinic Foundation, Rome, Italy - dlgrieco@outlook.it.