1 Anesthesia and Intensive Care Unit, Bufalini Hospital-AUSL della Romagna, Cesena, Italy, Department of Biomedical, Metabolic and Neural Sciences, University of Modena and Reggio Emilia, Modena, Italy.
2 Anesthesia and Intensive Care Unit, Infermi Hospital, AUSL della Romagna, Rimini, Italy Department of Biomedical, Metabolic and Neural Sciences, University of Modena and Reggio Emilia, Modena, Italy.
3 Anesthesia and Intensive Care Unit, Infermi Hospital, AUSL della Romagna, Rimini, Italy.