1. Smidt Heart Institute Cedars‐Sinai Medical Center Los Angeles California USA
2. New York University Langone Health New York New York USA
3. The University of Chicago Chicago Illinois USA
4. Medstar Washington Hospital Center Washington District of Columbia USA
5. University of Washington Medical Center Seattle Washington USA
6. Memorial Regional Hospital Hollywood Florida USA
7. Integris Baptist Medical Center Oklahoma City Oklahoma USA
8. Oregon Health and Science University Portland Oregon USA
9. Massachusetts General Hospital Boston Massachusetts USA
10. Cleveland Clinic Heart Vascular and Thoracic Institute Weston Florida USA
11. Stanford University Stanford California USA
12. Baylor University Medical Center Dallas Texas USA