1. Department of Surgical, Oncological and Oral Science (Di.Chir.On.S.), University of Palermo, Palermo, Sicilia, Italy
2. Intensive Care Units, Caboolture and Prince Charles Hospitals, School of Medicine, University of Queensland, The George Institute for Global Health, University of New South Wales, Sydney, Queensland, Australia
3. Department of Anaesthesia, Intensive Care and Emergency, Policlinico Paolo Giaccone, University of Palermo, Palermo, Sicilia, Italy
4. Dipartimento di Anestesia, Rianimazione ed Emergenza-Urgenza, Fondazione IRCCS Ca’ Granda Ospedale Maggiore Policlinico, Milan, Lombardia, Italy
5. Department of Anaesthesia, Intensive Care and Emergency, Policlinico Paolo Giaccone, Palermo, Italy
6. Infectious Diseases Clinic of the San Martino-IST University Hospital, University of Genoa, Genova, Liguria, Italy
7. Intensive Care Unit, Faculty of Medicine, Redcliffe Hospital, University of Queensland, Saint Lucia, Queensland, Australia
8. Department of Surgical, Oncological and Oral Science (Di.Chir.On.S.), University of Palermo, Italy. Departement of Anaesthesia, Intensive Care and Emergency, Policlinico Paolo Giaccone, Via del Vespro 129, 90127, Palermo, Italy