1. Intensive Care Unit, Department of Anaesthesiology and Intensive Care, University Hospital of Modena, Modena, Italy
2. Anaesthesia and Intensive Care Unit, Department of Biomedical Sciences and Public Health, Università Politecnica delle Marche, Torrette di Ancona, Italy
3. Intensive Care Unit, Department of Anaesthesiology and Intensive Care, NOCSAE Hospital, Modena, Italy
4. Department of Anesthesiology and Intensive Care, University of Rome, La Sapienza, Rome, Italy
5. Department of Anaesthesiology and Intensive Care, Catholic University of the Sacred Heart, A. Gemelli University Hospital, Rome, Italy
6. Bloomsbury Institute of Intensive Care Medicine, University College London, London, United Kingdom