| Affiliation: | 1. Department of Cardiothoracic and Vascular Surgery, University of Texas Medical School at Houston and Memorial Hermann Heart and Vascular Institute, Houston Texas;2. Division of Cardiothoracic Surgery, Department of Surgery, Columbia University Medical Center, New York, New York;3. Department of Cardiothoracic Surgery, University of Pittsburgh School of Medicine, Pittsburgh, Pennsylvania;4. Division of Cardiothoracic Surgery, University of Minnesota, Minneapolis, Minnesota;5. Department of Surgery, University of Virginia Health System, Charlottesville, Virginia;6. Division of Cardiothoracic Surgery, Medical University of South Carolina, Charleston, South Carolina;g Division of Cardiothoracic Surgery, University of Alabama at Birmingham, Birmingham, Alabama;h Division of Cardiothoracic Surgery, Baylor College of Medicine, Texas Heart Institute, Houston, Texas;i Division of Cardiothoracic Surgery, University of Wisconsin Hospitals and Clinics, School of Medicine and Public Health, Madison, Wisconsin;j Division of Cardiothoracic Surgery, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina;k Division of Cardiothoracic Surgery, University of Washington, Seattle, Washington;l PinnacleHeath Cardiovascular & Thoracic Surgery Associates, Harrisburg, Pennsylvania;m Congenital Heart Center, University of Florida, Gainesville, Florida;n Swedish Heart & Vascular Institute, Swedish Cardiac Surgery, Seattle, Washington;o Division of Cardiac Surgery, University of Rochester Medical Center, Rochester, New York |
