Affiliation: | 1. Cardiology Division (Mogabgab), The University of Texas Southwestern Medical School, Dallas, Texas;2. Cardiovascular Medicine Division (Wiviott, Antman, Foody, Sabatine, Cannon, Giugliano), Brigham and Women's Hospital and Harvard Medical School, Boston, Massachusetts;3. Duke Clinical Research Institute (Wang, Li), Durham, North Carolina;4. on behalf of the National Cardiovascular Data Registry |