Cardiac Surgery Cardiac Surgery Centers of Excellence Baylor College of Medicine, Division of Cardiothoracic Surgery Cardio Thoracic Center of Monaco Cedars-Sinai Health System, Cedars-Sinai Heart Center Columbia-Presbyterian Medical Center, Heart Institute Duke University Medical Center, Division of Thoracic Surgery Emory University, Division of Cardiothoracic Surgery Johns Hopkins Medicine, Cardiac Surgery McGill University, Division of Cardiothoracic Surgery NYU School of Medicine, Online Institute for Cardiothoracic Surgery Stanford University, Department of Cardiothoracic Surgery Universitätsklinikum Essen Thorax- und kardiovaskuläre Chirurgie   University of Cape Town, Department of Cardiothoracic Surgery University of Edinburgh, Department of Cardiothoracic Surgery University of Texas Medical Branch, Cardiothoracic Surgery University of Toronto, Division of Cardiac Surgery Vanderbilt University, Department of Cardiac and Thoracic Surgery Updated 03/14/03