1. Saint Luke’s Mid America Heart Institute, School of Medicine, University of Missouri, Kansas City
2. Cedars-Sinai Medical Center, Los Angeles, California
3. Hospital of University of Pennsylvania, Philadelphia
4. Columbia University Medical Center, New York, New York
5. Emory University School of Medicine, Atlanta, Georgia
6. Cleveland Clinic, Cleveland, Ohio
7. Baylor Scott and White Healthcare, Plano, Texas
8. Baylor Health Care System, Plano, Texas