Institution: | 1. Department of Pediatrics, Division of Pediatric Cardiology, Oregon Health and Sciences University, Portland, Oregon, USA;2. Department of Pediatrics, Division of Pediatric Cardiology, Columbia University Medical Center, New York-Presbyterian Morgan Stanley Children's Hospital, Columbia, New York, USA;3. Department of Cardiology, Children's Hospital and Department of Pediatrics, Harvard Medical School, Boston, Massachusetts, USA |