1. Division of Cardiology, Department of Medicine, Vagelos College of Physicians and Surgeons (A.C.B., A.C., C.I., C.X., R.C.B., M.P.R.), Columbia University, New York, NY.
2. Department of Biological Sciences (C.I.), Columbia University, New York, NY.
3. Department of Biostatistics, Epidemiology and Informatics, University of Pennsylvania Perelman School of Medicine, Philadelphia (H.Y., M.L.).
4. Irving Institute for Clinical and Translational Research, Columbia University Irving Medical Center, New York, NY (M.P.R.).