1. Saint Luke's Mid America Heart Institute and the University of Missouri-Kansas City; Kansas City Missouri
2. VA North Texas Healthcare System and University of Texas Southwestern Medical Center; Dallas Texas
3. Torrance Memorial Center; Loas Angeles California
4. Appleton Medical Center and Theda Clark Medical Center; Appleton Wisconsin
5. Columbia University; New York New York
6. University of Washington; Seattle Washington
7. Minneapolis VA Healthcare System and University of Minnesota; Minneapolis Minnesota
8. Boston Scientific; Natick Massachusetts