1. Anaesthesia and Intensive Care Unit, E.O. Ospedali Galliera, Mura della Cappuccine 14, 16128 Genoa, Italy
2. Unit of Anesthesia and Intensive Care, Department of Clinical-Surgical, Diagnostic and Pediatric Sciences, University of Pavia, 27100 Pavia, Italy
3. Department of Surgical, Medical, Molecular Pathology and Critical Care Medicine, University of Pisa, 56126 Pisa, Italy
4. Nephrology and Dialysis Unit, S. Maria della Scaletta Hospital, 40026 Imola, Italy
5. Department of Critical Care, King’s College Hospital, London SE5 9RS, UK
6. Urology Unit, E.O. Ospedali Galliera, 16128 Genoa, Italy
7. General, Emergency and Trauma Surgery, Pisa University Hospital, 56100 Pisa, Italy
8. Department of Surgical Sciences and Integrated Diagnostics (DISC), University of Genoa, 16132 Genoa, Italy