1 Operative Unit of Anesthesia and Intensive Care, Department of Medicine, Campus Bio-Medico University Hospital Foundation, Rome, Italy - a.strumia@policlinicocampus.it.
2 Research Unit of Anesthesia and Intensive Care, Department of Medicine, Campus Bio-Medico University, Rome, Italy - a.strumia@policlinicocampus.it.
3 Operative Unit of Anesthesia and Intensive Care, Department of Medicine, Campus Bio-Medico University Hospital Foundation, Rome, Italy.
4 Research Unit of Anesthesia and Intensive Care, Department of Medicine, Campus Bio-Medico University, Rome, Italy.