1. Department of Physiology and Cellular Biophysics, Clyde and Helen Wu Center for Molecular Cardiology, Columbia University College of Physicians and Surgeons, New York (A.K., G.S., S.R.R., A.R.M.).
2. Department of Medicine, Division of Cardiology, Columbia University Medical Center, New York (A.K., E.C., S.J.G., D.L.B., P.C.C., M.Y., A.R.M.).
3. Department of Medicine, Division of Cardiology, Jacobi Medical Center, Bronx, NY (S.I.S.).
4. Departments of Medicine and Cell Biology, Wilf Family Cardiovascular Research Institute, Albert Einstein Cancer Center, Diabetes Research Center, Albert Einstein College of Medicine, Bronx, NY (R.N.K.).