1. Henry Ford Hospital; Detroit Michigan
2. VA North Texas Health Care System and University of Texas Southwestern Medical Center; Dallas Texas
3. St. Joseph Hospital; Bellingham Washington
4. Piedmont Hospital; Atlanta Georgia
5. Saint Luke's Mid America Heart Institute and the University of Missouri-Kansas City; Kansas City Missouri
6. Torrance Memorial Center; Los Angeles California
7. Minneapolis VA Healthcare System and University of Minnesota; Minneapolis Minnesota
8. Boston Scientific; Natick Massachusetts