Institution: | 1. Department of Cardiology, Medstar Heart and Vascular Institute, Georgetown University, Washington, DC;2. Division of Cardiology, University of Illinois College of Medicine, Chicago, Illinois;3. Division of Cardiology, Warren Alpert Medical School of Brown University, Providence, Rhode Island;4. Division of Cardiovascular Medicine, Vanderbilt University Medical Center, Nashville, Tennessee;5. American College of Cardiology, Washington, DC;6. Division of Cardiovascular Medicine, University of Michigan, Ann Arbor, Michigan |