Affiliations

• ¹ Division of Cardiology, Department of Pediatrics, Vanderbilt University School of Medicine, Nashville, TN, USA. george.t.nicholson@vumc.org.
• ² Thomas P. Graham Jr. Division of Pediatric Cardiology, Pediatric Heart Institute, Vanderbilt University Medical Center, 2200 Children's Way, 5230 Doctors' Office Tower, Nashville, TN, 37232, USA. george.t.nicholson@vumc.org.
• ³ Division of Cardiology, Department of Pediatrics, C.S. Mott Children's Hospital, University of Michigan School of Medicine, Ann Arbor, MI, USA.
• ⁴ Division of Cardiology, Department of Pediatrics, Washington University School of Medicine, St. Louis, MA, USA.
• ⁵ Department of Pediatrics, Heart Institute, UPMC Children's Hospital of Pittsburgh, University of Pittsburgh School of Medicine, Pittsburgh, PA, USA.
• ⁶ Morgan Stanley Children's Hospital, Columbia University Vagelos College of Physicians & Surgeons, New York, NY, USA.
• ⁷ Center for Research and Evaluation, Kaiser Permanente Georgia, Atlanta, USA.
• ⁸ Lillie Frank Abercrombie Division of Cardiology, Department of Pediatrics, Texas Children's Hospital, Baylor College of Medicine, Houston, TX, USA.
• ⁹ Section of Pediatric Cardiothoracic Surgery, Department of Cardiac Surgery, C.S. Mott Children's Hospital, University of Michigan School of Medicine, Ann Arbor, MI, USA.
• ¹⁰ Division of Pediatric Cardiology, Department of Pediatrics, Children's of Alabama, University of Alabama Birmingham School of Medicine, Birmingham, AL, USA.
• ¹¹ Division of Cardiology, Department of Pediatrics, University of California San Francisco School of Medicine, San Francisco, CA, USA.
• ¹² The Heart Institute, Cincinnati Children's Hospital Medical Center and Division of Pediatric Cardiology, University of Cincinnati College of Medicine, Cincinnati, OH, USA.
• ¹³ Division of Pediatric Cardiology, Department of Pediatrics, Stanford University School of Medicine, Stanford, CA, USA.
• ¹⁴ Children's Heart Center Cardiology, Department of Pediatrics, Children's Healthcare of Atlanta, Emory University School of Medicine, Atlanta, GA, USA.
• ¹⁵ The Cardiac Center at the Children's Hospital of Philadelphia, Philadelphia, PA, USA.
• ¹⁶ Connecticut Children's Hospital, Hartford, CT, USA.
• ¹⁷ Pediatric Neurodevelopmental Center, Atlanta, GA, USA.