1. Seton Heart Institute; Austin Texas
2. East Carolina University Brody School of Medicine; Greenville North Carolina
3. Loyola University Medical Center; Maywood Illinois
4. Weill Cornell Medical College; New York New York
5. Tufts University School of Medicine; Springfield Maryland
6. Citizens Memorial Hospital Heart and Vascular Institute; Bolivar Missouri
7. University of California; San Francisco California
8. Minneapolis Heart Institute; Minneapolis Minnesota
9. Geisinger Medical Center; Danville Pennsylvania