T Sean Dunn1, Jack Heo2, Ami E Iskandrian2, Fadi G Hage2,3. 1. Division of Cardiovascular Disease, Department of Medicine, University of Alabama at Birmingham, Birmingham, AL, USA. terencedunn@uabmc.edu. 2. Division of Cardiovascular Disease, Department of Medicine, University of Alabama at Birmingham, Birmingham, AL, USA. 3. Section of Cardiology, Birmingham Veterans Affairs Medical Center, Birmingham, AL, USA.