1 Division of Cardiovascular Disease, Department of Medicine, University of Alabama at Birmingham, Lyons Harrison Research Building 306, 1720 2nd Ave S, Birmingham, AL, 35294, USA.
2 Division of Cardiovascular Disease, Department of Medicine, University of Alabama at Birmingham, Lyons Harrison Research Building 306, 1720 2nd Ave S, Birmingham, AL, 35294, USA. fadihage@uab.edu.
3 Section of Cardiology, Birmingham Veterans Affairs Medical Center, Birmingham, AL, USA. fadihage@uab.edu.