Affiliations

• ¹ Center for Statistical Genetics, Department of Biostatistics, University of Michigan School of Public Health, Ann Arbor, Mich.
• ² Department of Cardiology, Boston Children's Hospital, Boston, Mass; Department of Pediatrics, Harvard Medical School, Boston, Mass.
• ³ Department of Pediatrics, Harvard Medical School, Boston, Mass; Division of Neurology, Boston Children's Hospital, Boston, Mass.
• ⁴ Division of Pediatric Cardiology, Department of Pediatrics and Communicable Diseases, University of Michigan Medical School, Ann Arbor, Mich.
• ⁵ Division of Medical Genetics, Department of Medicine, University of Washington School of Medicine, Seattle, Wash.
• ⁶ Division of Cardiothoracic Surgery, The Children's Hospital of Philadelphia, Philadelphia, Pa; Perelman School of Medicine, University of Pennsylvania, Philadelphia, Pa.