Affiliation: | 1. Advanced Cardiac Valve Center, Department of Medicine, Division of Cardiovascular Medicine, University of Virginia, Charlottesville, Virginia;2. Department of Cardiology, Sakakibara Heart Institute, Tokyo, Japan;3. Advanced Cardiac Valve Center, Department of Surgery, Division of Cardiothoracic Surgery, University of Virginia, Charlottesville, Virginia;4. Heart and Vascular Center, Department of Medicine, Division of Cardiovascular Medicine, University of Virginia, Charlottesville, Virginia |