1 Department of Pediatrics, Division of Pediatric Cardiology, and Department of Cell Biology, Duke University School of Medicine, Durham, NC (A.P.L.).
2 University of Pennsylvania, Department of Cardiology, Philadelphia (C.A.A.C.).
3 Center for Inherited Cardiovascular Diseases, WellSpan Health, Lancaster, PA (C.A.A.C.).
4 Department of Cardiovascular Diseases, Mayo Clinic, Rochester, MN (C.A.A.C.).
5 Barts Heart Centre, West Smithfield, London, UK (C.A.A.C.).
6 Department of Medicine, Department of Pharmacology, and Department of Biomedical Informatics, Vanderbilt University Medical Center, Nashville, TN (D.M.R.).
7 Cardiovascular Medicine, Brigham and Women's Hospital, Harvard Medical School, Boston, MA (C.Y.H.).
8 Division of Cardiology, Department of Medicine, and Duke Molecular Physiology Institute, Duke University School of Medicine, Durham, NC (S.H.S.).