1. Texas Children’s Hospital, Department of Pediatrics, Division of Pediatric Cardiology, Baylor College of Medicine, Houston, TX 77030, USA
2. Ann & Robert H. Lurie Children’s Hospital of Chicago, Northwestern University Feinberg School of Medicine, Chicago, IL 60611, USA
3. Center for Cardiovascular Research and Innovation, Nemours Cardiac Center, Nemours Children’s Health, Wilmington, DE 19803, USA
4. Department of Cardiovascular Medicine, Mayo Clinic Florida, Jacksonville, FL 32224, USA
5. Ward Family Heart Center, Children’s Mercy Kansas City, Kansas City, MO 64108, USA
6. Department of Pediatrics and Medicine, University of Washington, Seattle, WA 98105, USA
7. Division of Pediatric Cardiology, UT Southwestern, Children’s Health, Dallas, TX 75390, USA
8. Doernbecher Children’s Hospital, Oregon Health and Science University, Portland, OR 97239, USA
9. Cardiac Center, Children’s Hospital of Philadelphia, Philadelphia, PA 19104, USA
10. Texas Children’s Hospital, Department of Pediatrics, Baylor College of Medicine, Houston, TX 77030, USA
11. Department of Pediatrics, University of California San Francisco Benioff Children’s Hospital, San Francisco, CA 94158, USA
12. Division of Pediatric Cardiology, Yale School of Medicine, Yale New Haven Hospital, New Haven, CT 06510, USA
13. Department of Pediatrics, Emory University School of Medicine and Children’s Healthcare of Atlanta, Atlanta, GA 30322, USA