1 Anesthesiology and Intensive Care Unit, Azienda Romagna, M. Bufalini Hospital, Cesena, Forlì-Cesena, Italy - domenicopietro.santonastaso@auslromagna.it.
2 Anesthesiology and Intensive Care Unit, Azienda Romagna, M. Bufalini Hospital, Cesena, Forlì-Cesena, Italy.
3 Specialization School in Anesthesiology, Resuscitation and Intensive Care, University of Bologna, Bologna, Italy.