1. Divisions of Neonatology and
2. Cardiology, Department of Pediatrics, Emory University and Children’s Healthcare of Atlanta, Atlanta, Georgia;
3. Department of Pediatric Cardiology, Charité University Medical Center, Berlin, Germany;
4. Department of Cardiology, Boston Children’s Hospital and Harvard Medical School, Harvard University, Boston, Massachusetts;
5. Division of Neonatology, Vanderbilt University Medical Center, Nashville, Tennessee; and
6. Department of Pediatric Cardiology and Critical Care, Hannover Medical School, Hannover, Germany