1. Department of Cardiology; Swedish Medical Center; Seattle Washington
2. Department of Cardiology; Riverside Methodist Hospital; Columbus Ohio
3. Department of Cardiology; Hillcrest Hospital; Mayfield Heights Ohio
4. Departments of Radiology and Surgery; OSF St. Francis Medical Center; Peoria Illinois
5. Department of Cardiology; Fairfield Medical Center; Lancaster Ohio
6. Department of Cardiology; WakeMed Raleigh Campus; Raleigh North Carolina
7. Department of Cardiology; Holy Spirit Hospital; Camp Hill Pennsylvania
8. Department of Cardiology; Orlando Regional Medical Center; Orlando Florida
9. Department of Cardiology; Munroe Regional Medical Center; Ocala Florida
10. Department of Cardiology; Lenox Hill Hospital; New York New York