[1
]Division of Cardiology, Department of Pediatrics; The Children's Hospital, University
of Colorado; Denver; Colorado; USA
[2
]Division of Cardiology, Department of Pediatrics; Children's Hospital of NY-Presbyterian;
New York; New York; USA
[3
]Division of Cardiology, Department of Pediatrics; Primary Children's Hospital; Salt
Lake City; Utah; USA
[4
]Division of Cardiology, Department of Pediatrics; The Children's Memorial Health Insitute;
Warsaw; Poland
[5
]Division of Cardiology, Department of Pediatrics; University of California; San Francisco;
California; USA
[6
]Division of Cardiology, Department of Pediatrics; C. S. Mott Children's Hospital;
Ann Arbor; Michigan; USA
[7
]Division of Cardiology, Department of Pediatrics; Stanford University; Palo Alto;
California; USA
[8
]Division of Cardiology, Department of Pediatrics; Georg-August-University; Göttingen;
Germany
[9
]Division of Cardiology, Department of Pediatrics; Children's Heart Center; Seattle;
Washington; USA
[10
]Division of Cardiology, Department of Pediatrics; Children's Hospital; Los Angeles;
California; USA
[11
]Division of Cardiology, Department of Pediatrics; University Hospital of Cologne;
Koln; Germany
[12
]Division of Cardiology, Department of Pediatrics; British Columbia Children's Hospital;
Vancouver; British Columbia; Canada
[13
]Division of Cardiology, Department of Pediatrics; University of Iowa Children's Hospital;
Iowa City; Iowa; USA
[14
]Division of Cardiology, Department of Pediatrics; Steven and Alexandra Cohen Children's
Medical Center of New York; New Hyde Park; New York; USA
[15
]Division of Cardiology, Department of Pediatrics, Childrens Hospital of Orange County;
University of California-Irvine; Orange; California; USA
[16
]Division of Cardiology, Department of Pediatrics; Clinica y Maternidad Suizo Argentina;
Buenos Aires; Argentina
[17
]Division of Cardiology, Department of Pediatrics; Washington University School of
Medicine/St. Louis Children's Hospital; St. Louis; Missouri; USA
[18
]Division of Cardiology, Department of Pediatrics; Medical University of South Carolina;
Charleston; South Carolina; USA
[19
]Division of Cardiology, Department of Pediatrics; Nationwide Children's Hospital;
Columbus; Ohio; USA
[20
]Division of Cardiology, Department of Pediatrics; Nebraska Medical Center; Omaha;
Nebraska; USA
[21
]Division of Cardiology, Department of Pediatrics; Northwest Center for Congenital
Heart Disease; Spokane; Washington; USA
[22
]Division of Cardiology, Department of Pediatrics; Children's Hospital; Boston; Massachusetts;
USA