1 General Intensive Care Unit, Emergency Department, ASST Monza, San Gerardo Hospital, University of Milano-Bicocca, Via Pergolesi 33, Monza (MB), Italy. Electronic address: alberto.lucchini@unimib.it.
2 Department of Health Sciences, University of Florence, Italy. Electronic address: stefano.bambi@unifi.it.
3 Anaesthesia and Post Operative Intensive Care Unit, University Hospital of Parma, Parma, Italy.