1. From the Department of Medicine (W.W., A.M., H.J.W.), Department of Pathology and Cell Biology (W.W., A.M., H.J.W.), Department of Physiology and Cellular Biophysics (J.S.), and Clyde and Helen Wu Center for Molecular Cardiology (J.S.), College of Physicians and Surgeons, Columbia University, New York, NY; and INSERM, U974 (G.B.), Université Pierre et Marie Curie-Paris, UMR-S974, CNRS, UMR-7215, Institut de Myologie, IFR14 (G.B.), and AP-HP, Groupe Hospitalier Pitié-Salpêtrière, U.F. Cardiogénétique...