Affiliation: | 1. Division of Cardiology, Massachusetts General Hospital, Harvard Medical School, Boston, Massachusetts;2. Department of Cardiovascular Medicine, University of Texas Medical Branch, Galveston, Texas;3. Minneapolis Heart Institute at Abbott Northwestern Hospital, Minneapolis, Minnesota;4. Division of Cardiology, University of Washington, Seattle, Washington;5. Division of Cardiovascular Medicine, Baylor College of Medicine, Houston, Texas;6. Division of Cardiovascular Medicine, University of Florida, Gainesville, Florida;7. Brigham and Women’s Hospital Heart & Vascular Center, Harvard Medical School, Boston, Massachusetts |