1 Unit of Anesthesiology and Intensive Care, Department of Urgency and Emergency, University Hospital of Padua, Padua, Italy.
2 Unit of Anesthesiology and Intensive Care, Department of Urgency and Emergency, University Hospital of Padua, Padua, Italy - daniele.bonvicini@aopd.veneto.it.
3 Department of Adult Critical Care, Guy's and St Thomas' NHS Foundation Trust, King's Health Partners, London, UK.