1Department of Emergency and Organ Transplantation, University of Bari ‘Aldo Moro’, Bari, Italy
2Department of Interdisciplinary Medicine, University of Bari “Aldo Moro”, Bari, Italy
3Department of Anesthesia and Resuscitation, Careggi University Hospital, University of Florence, Florence, Italy
4Department of Anesthesia and Intensive Care, San Camillo Forlanini Hospital, Rome, Italy