1. Department of Cardiology Boston Children’s Hospital Boston MA USA
2. Department of Pediatrics Harvard Medical School Boston MA USA
3. Department of Cardiology Copenhagen University Hospital—Herlev and Gentofte Hellerup Denmark
4. Department of Medicine, Cardiovascular Medicine Brigham and Women’s Hospital Boston MA USA
5. Department of Mathematics and Statistics Boston University, and Harvard Clinical Research Institute Boston MA USA
6. Department of Critical Care Medicine Boston Children’s Hospital Boston MA USA
7. Department of Anesthesia Boston Children’s Hospital Boston MA USA
8. Department of Pediatrics Hasbro Children’s Hospital, and Warren Alpert Medical School of Brown University Providence RI USA