1. Division of Cardiology Columbia University Irving Medical Center New York NY
2. Department of Medicine Brigham and Women's HospitalHarvard Medical School Boston MA
3. Division of Gastroenterology Department of Medicine Perelman School of Medicine at the University of Pennsylvania Philadelphia PA
4. Division of Cardiology Massachusetts General Hospital Boston MA
5. Department of Cardiovascular Medicine Mayo Clinic Rochester MN
6. Ciccarone Center for the Prevention of Cardiovascular Disease Johns Hopkins School of Medicine Baltimore MD
7. Division of Cardiovascular Medicine Department of Medicine Perelman School of Medicine at the University of Pennsylvania Philadelphia PA