1. Harrington Heart & Vascular Institute, University Hospitals, Cleveland, OH, USA
2. Ochsner Medical Center, New Orleans, LA, USA
3. Vanderbilt University Medical Center, Nashville, TN, USA
4. Mayo Clinic, Rochester, MN, USA
5. Kaiser Permanente Hospital, Honolulu, HI, USA
6. Mount Sinai Health System, New York, NY, USA
7. Palmetto Health USC Medical Group, Columbia, SC, USA
8. Duke University and Duke Clinical Research Institute, Durham, NC, USA
9. Massachusetts General Hospital, Boston, MA, USA
10. Miami Cardiac & Vascular Institute, Miami, FL, USA
11. Baptist Cardiac & Vascular Institute, Miami, FL, USA
12. Newton-Wellesley Hospital, Newton, MA, USA