1. Department of Pediatrics, Ann & Robert H. Lurie Children’s Hospital of Chicago, Northwestern University, Feinberg School of Medicine, Chicago, IL, USA
2. Johns Hopkins Children's Heart Surgery, All Children’s Hospital, Saint Petersburg, Tampa, and Orlando, FL, USA
3. Department of Cardiovascular Surgery, Mayo Clinic, Rochester, MN, USA
4. Department of Cardiovascular and Thoracic Surgery, Children’s Hospital at Montefiore, Montefiore Medical Center, The Albert Einstein College of Medicine, Bronx, NY, USA
5. Department of Surgery, University of Tennessee Health Sciences Center and International Children's Heart Foundation, Memphis, TN, USA
6. Department of Cardiac Surgery, Johns Hopkins University School of Medicine, Baltimore, MD, USA
7. Northeastern Illinois University, Chicago, IL, USA
8. Department of Pediatrics, University of Michigan C.S. Mott Children's Hospital, Ann Arbor, MI, USA
9. Department of Cardiovascular Surgery, Children’s Hospital of Michigan, FTA Wayne State University School of Medicine, Detroit, MI, USA
10. Department of Cardiovascular Surgery, The Montreal Children’s Hospital, McGill University, Montreal, Canada
11. Department of Cardiothoracic and Vascular Sciences, University Hospital of Padova, Italy