Affiliation: | 1. Division of Thoracic and Cardiovascular Surgery, University of Virginia, Charlottesville, Virginia;2. Department of Cardiothoracic Surgery, University of Michigan, Ann Arbor, Michigan;3. INOVA Heart and Vascular Institute, Falls Church, Virginia;4. Division of Cardiothoracic Surgery, Virginia Commonwealth University, Richmond, Virginia;5. Department of Thoracic and Cardiovascular Surgery, Cleveland Clinic, Cleveland, Ohio |