1 Section of Anesthesiology and Intensive Care Unit, Department of Surgery, GB Morgagni-L Pierantoni Hospital, AUSL Romagna, Forlì, Forlì-Cesena, Italy.
2 Section of Anesthesiology and Intensive Care Unit, Department of Anesthesiology, Intensive Care and Emergency, Città della Salute e della Scienza, Turin, Italy.
3 Section of Anesthesiology and Intensive Care Unit, Department of Anesthesia, Intensive Care and Pain Therapy, Campus Bio-Medico University, Rome, Italy.
4 Section of Anesthesiology and Intensive Care Unit, Department of Anesthesiology and Intensive Care, Sant'Orsola-Malpighi University Hospital, Alma Mater Studiorum, Bologna, Italy.
5 Section of Anesthesia and Intensive Care Unit, Department of Anesthesiology and Intensive Care, Istituto Oncologico del Mediterraneo (IOM), Viagrande, Catania, Italy.
6 Section of Anesthesiology and Intensive Care Unit, Department of Emergency, San Marco University Hospital, Catania, Italy - maxsorbello@gmail.com.