Affiliation: | 1. Division of Cardiology, Westchester Medical Center, New York Medical College, Valhalla, New York;2. Section of Cardiothoracic Surgery, Westchester Medical Center, New York Medical College, Valhalla, New York;3. Department of Cardiology, Houston Methodist DeBakey Heart and Vascular Center, Houston, Texas;4. Houston Methodist DeBakey Heart & Vascular Center, Department of Cardiovascular Surgery, Houston Methodist Hospital, Houston, Texas |