About the Author

---

Jonathan Rhodes, MD Associate Professor of Pediatrics Harvard Medical School Senior Associate in Cardiology Boston Children's Hospital Boston, MA 02115 USA Mark E. Alexander, MD Associate Professor of Pediatrics Harvard Medical School Senior Associate in Cardiology Boston Children's Hospital Boston, MA 02115 USA Alexander R. Opotowsky, MD, MPHAssociate Professor of Pediatrics, Harvard Medical SchoolAssociate in Cardiology, Boston Children's Hospital Associate Physician, Brigham and Women's Hospital Boston, MA 02115