Affiliation: | a Department of Cardiothoracic Surgery, Weill Medical School at Cornell University, New York, NY b Division of Cardiothoracic Surgery, Columbia University College of Physicians and Surgeons, New York, NY c Division of Pediatric Cardiology, Columbia University College of Physicians and Surgeons, New York, NY d Division of Pediatric Cardiology, Harvard Medical School, Cambridge, Mass. |