1. Cleveland Clinic, Medicine Institute Cleveland Ohio
2. Wayne State University, Detroit Medical Center, Detroit Heart Hospital Detroit Michigan
3. Beth Israel Deaconess Medical Center/Harvard Medical School Boston Massachusetts
4. MedStar Washington Hospital Center Washington District of Columbia
5. St John Hospital and Medical Center Detroit Michigan
6. Emory University Atlanta Georgia
7. Zucker School of Medicine at Hofstra Northwell Health, Northshore University Hospital Manhasset New York
8. Henry Ford Health System Detroit Michigan
9. Keele Cardiovascular Research Group, Keele University Stoke‐on‐Trent UK
10. Royal Stoke University Hospital Stoke‐on‐Trent UK