1. Cardiology Division, Massachusetts General Hospital/Harvard Medical School, Boston
2. Division of Cardiovascular Medicine, University of Missouri, Columbia
3. Edwards Lifesciences, Irvine, California
4. Cardiovascular Research Foundation, New York, New York
5. Division of Cardiology, Columbia University Irving Medical Center/New York-Presbyterian Hospital, New York
6. Division of Cardiac Surgery, Massachusetts General Hospital/Harvard Medical School, Boston
7. Minneapolis Heart Institute Foundation, Minneapolis, Minnesota
8. St. Francis Hospital and Heart Center, Roslyn, New York
9. Division of Cardiovascular Medicine, Vanderbilt University Medical Center, Nashville, Tennessee
10. Department of Cardiovascular Surgery, Piedmont Heart Institute, Atlanta, Georgia
11. Division of Cardiology and Duke Clinical Research Institute, Duke University School of Medicine, Durham, North Carolina
12. Department of Cardiovascular Medicine, Cleveland Clinic, Cleveland, Ohio
13. Department of Medicine, Institut Universitaire de Cardiologie et de Pneumologie de Québec–Université Laval, Quebec City, Quebec, Canada
14. Department of Cardiothoracic Surgery, Baylor University Medical Center, Dallas, Texas