1. Division of Cardiac Surgery, IRCCS, St. Orsola Hospital University of Bologna Bologna Italy
2. Cardiovascular Pathology Unit, Department of Pathology, IRCCS, St. Orsola Hospital University of Bologna Bologna Italy
3. Cardiology Department, IRCCS, St. Orsola Hospital University of Bologna Bologna Italy
4. Anaesthesiology Unit, Department of Cardiothoracic Surgery, IRCCS, St. Orsola Hospital University of Bologna Bologna Italy