1 Department of Internal Medicine, University of Texas Southwestern Medical Center, Dallas, Texas; Parkland Health and Hospital System, Dallas, Texas.
2 Division of Cardiology, Department of Internal Medicine, University of Texas Southwestern Medical Center, Dallas, Texas.
3 Parkland Health and Hospital System, Dallas, Texas; Division of Cardiology, Department of Internal Medicine, University of Texas Southwestern Medical Center, Dallas, Texas.
4 Department of Cardiovascular Medicine, Heart, Vascular and Thoracic Institute, Cleveland Clinic, Cleveland, Ohio.
5 Parkland Health and Hospital System, Dallas, Texas; Division of Cardiology, Department of Internal Medicine, University of Texas Southwestern Medical Center, Dallas, Texas. Electronic address: [email protected].