1. Department of Cardiology, Texas Heart Institute, Houston, Texas
2. Department of Cardiovascular Radiology, Texas Heart Institute, Houston, Texas
3. Houston Methodist DeBakey Heart & Vascular Center, Houston, Texas
4. Division of Cardiothoracic Surgery, Michael E. DeBakey Department of Surgery, Baylor College of Medicine, Houston, Texas
5. Department of Cardiovascular Surgery, Texas Heart Institute, Houston, Texas
6. University of Houston College of Medicine, Houston, Texas