[1
]
Cardiothoracic Vascular Department, San Raffaele Scientific Institute, Milan, Italy.
[2
]
Department of Cardiac, Thoracic and Vascular Sciences, University Hospital of Padova,
Padova, Italy.
[3
]
Division of Cardiac Surgery, University Hospital Zurich, Switzerland.
[4
]
Cardiac Catheterization Laboratory, Cardiothoracic Department, Spedali Civili, Brescia,
Italy.