1. Division of Pediatric Cardiology; Department of Pediatrics; New York-Presbyterian Morgan Stanley Children's Hospital; Columbia University Medical Center; New York New York
2. Division of Pediatric Cardiology; Department of Pediatrics; The Robert Larner, M.D. College of Medicine at The University of Vermont; Burlington Vermont
3. Section of Congenital and Pediatric Cardiac Surgery; Division of Cardiac, Thoracic, and Vascular Surgery; New York-Presbyterian Morgan Stanley Children's Hospital; Columbia University Medical Center; New York New York