1. Department of Anaesthesia and Intensive Care, AOU Città della Salute e della Scienza, Turin, Italy
2. 2 Department of Perioperative Medicine and Intensive Care, Cardiothoracic And Vascular Anaesthesia and Intensive Care, San Gerardo Hospital, Monza, Italy
3. Department of Cardiovascular and Thoracic Surgery, University Hospital of Bologna “s. Orsola-malpighi”, Bologna, Italy
4. Department of Cardiovascular and Thoracic Surgery, Azienda Ospedaliera Santa Croce E Carle, Cuneo, Italy
5. Department of Anaesthesia and Intensive Care Medicine, Aziende Socio Sanitarie Territoriali Papa Giovanni Xxiii, Bergamo, Italy
6. Department of Anaesthesia and Intensive Care, Azienda Ospedaliera Regionale San Carlo, Potenza, Italy
7. Cardiac Intensive Care Unit, Centro Cardiologico Monzino, Milan, Italy
8. Department of Anesthesiology and Intensive Care, S. Maria Della Misericordia Hospital, Udine, Italy
9. 9 Department of Anaesthesia and Critical Care Medicine, Aorn Ospedali Dei Colli, Naples, Italy
10. Department of Anaesthesia and Critical Care Medicine, Azienda Ospedaliera Pisana, Pisa, Italy
11. Department of Anaesthesiology, Regina Elena National Cancer Institute, Rome, Italy
12. Department of Emergency Medicine, Cardarelli Hospital, Naples, Italy
13. Uoc Anestesia E Rianimazione, Policlinico Casilino, Roma
14. Department of Medicine, Anaesthesia and Intensive Care, University Hospital of Padova, Italy
15. Department of Anaesthesia and Intensive Care, University Hospital of Chieti, Chieti, Italy
16. Department of Anaesthesiology and Intensive Care Medicine, Umberto I Hospital, “sapienza” University, Rome, Italy
17. Department of Anaesthesia and Intensive Care, University Hospital of Modena, Modena, Italy