1. The Congenital Heart Institute of Florida (CHIF), Division of Pediatric Cardiology, All Children’s Hospital and Children’s Hospital of Tampa, University of South Florida College of Medicine, Pediatric Cardiology Associates/Pediatrix Medical Group, Saint Petersburg and Tampa, FL, USA
2. The Congenital Heart Institute of Florida (CHIF), Division of Thoracic and Cardiovascular Surgery, All Children’s Hospital and Children’s Hospital of Tampa, University of South Florida College of Medicine, Cardiac Surgical Associates of Florida (CSSofF), Saint Petersburg and Tampa, FL, USA
3. Children’s Memorial Hospital, Chicago, IL, USA
4. Center for Heart, Lung and Kidney Disease, Children’s National Medical Center, Washington, DC, USA
5. Paediatric Cardiology Directorate, Royal Brompton & Harefield NHS Trust, London, UK
6. Division of Pediatric Cardiology, The Montreal Children’s Hospital of the McGill University Health Centre, Montréal, Quebec, Canada
7. Paediatric Cardiology–CHD, Heart Center Duisburg, Duisburg, Germany
8. Heart Institute (InCor), Sao Paulo University, School of Medicine, Sao Paulo, Brazil
9. Department of Cardiology, Children’s Hospital, Boston, MA, USA
10. Pediatric Cardiology, Johns Hopkins University, Baltimore, MD, USA
11. Cardiac Surgery, Children’s Hospital of Philadelphia, Philadelphia, PA, USA
12. Cardiovascular Surgery, Heart Institute of Japan, Tokyo Women’s Medical University, Tokyo, Japan
13. The Children’s Memorial Health Institute, Department of Cardiothoracic Surgery, Warsaw, Poland
14. Pediatric Cardiac Surgery Unit, University of Padova Medical School, Padova, Italy
15. Division of Pediatric Cardiovascular Surgery, The Montreal Children’s Hospital of the McGill University Health Centre, Montréal, Quebec, Canada
16. Children’s Hospital of Michigan, Wayne State University School of Medicine, Detroit, MI, USA
17. Division of Pediatric Cardiology, The Children’s Hospital of Philadelphia, PA, USA
18. Medical University of South Carolina, South Carolina, FL, USA
19. Cardiac Unit, Great Ormond Street Hospital for Children, London, UK