1. Monash Heart Monash University Melbourne Australia
2. Saint Luke's Mid America Heart Institute Kansas City Missouri USA
3. University of Missouri‐Kansas City Kansas City Missouri USA
4. University of Missouri Columbia Missouri USA
5. Beth Israel Deaconess Medical Center Boston Massachusetts USA
6. University of Washington Seattle Washington USA
7. Columbia University, New York Presbyterian Hospital New York New York USA
8. Emory University Atlanta Georgia USA
9. Banner Good Samaritan Medical Center, Phoenix, AZ and Banner Heart Mesa Arizona USA
10. Torrance Medical Center Torrance California USA
11. Boone County Hospital Columbia Missouri USA
12. Peacehealth Sacred Heart Medical Center Springfield Oregon USA
13. Alexian Brothers Medical Center Chicago Illinois USA
14. Presbyterian Medical Group Albuquerque New Mexico USA
15. New York University New York New York USA