1. Division of Cardiovascular Diseases; Mayo Clinic; Rochester Minnesota
2. Division of Cardiology; Winthrop University Hospital; Mineola New York
3. Cardiovascular Division; Brigham and Women's Hospital; Boston MA
4. Department of Surgery; University of Pennsylvania; Philadelphia Pennsylvania
5. Division of Cardiology; Lehigh Valley Heart Specialists; Allentown, PA
6. Cardiology; Tufts Medical Center; Boston Massachusetts
7. Division of Cardiology; UCI Medical Center; Orange CA
8. Department of Cardiac and Vascular Services, Heart and Vascular Institute of New York; Lenox Hill Hospital; New York New York
9. Division of Cardiology; Beaumont Heart Center Clinic; Royal Oak Michigan
10. Pediatric Cardiology; UT Southwestern; Dallas Texas
11. Louisville Cardiology Group; Interventional Cardiology; Louisville Kentucky