1. From Divisions of Cardiovascular Medicine (J.M.) and Oncology (J.M.), Cardio-Oncology Program (J.M.), Department of Medicine, Vanderbilt University Medical Center, Nashville, TN; and Division of Cardiology, Department of Medicine (R.N.K.), Department of Cell Biology (D.A., R.N.K.), Wilf Family Cardiovascular Research Institute (R.N.K.), and Albert Einstein Cancer Center (R.N.K.), Albert Einstein College of Medicine, Bronx, NY.