1 Emergency Department and Critical Care Area, Anesthesia and Intensive Care, Infermi Hospital, AUSL Romagna, Rimini, Italy.
2 Emergency Department and Critical Care Area, Anesthesia and Intensive Care Unit, Santa Maria Annunziata Hospital, Bagno a Ripoli, Florence, Italy - duccio.conti@uslcentro.toscana.it.
3 Division of Surgery, Infermi Hospital, AUSL Romagna, Rimini, Italy.
4 AUSL Romagna, Rimini, Italy.
5 Emergency Department and Critical Care Area, Anesthesia and Intensive Care Unit, Santa Maria Annunziata Hospital, Bagno a Ripoli, Florence, Italy.
6 AUSL Romagna, M. Bufalini Hospital, Cesena, Forlì-Cesena, Italy.