1 Division of Cardiac Surgery, Department of Surgery, Schulich Heart Centre, Sunnybrook Health Sciences Centre, University of Toronto, Toronto, Ontario, Canada.
2 Department of Cardiovascular Sciences, Catholic University, Rome, Italy; Department of Cardiothoracic Surgery, Weill Cornell Medical College, New York, NY.
3 Division of Cardiac Surgery, Department of Surgery, Schulich Heart Centre, Sunnybrook Health Sciences Centre, University of Toronto, Toronto, Ontario, Canada. Electronic address: [email protected].