1. Department of Cardiology Houston Methodist DeBakey Heart & Vascular Center Houston TX
2. Department of Cardiovascular Medicine Guthrie Health System/Robert Packer Hospital Sayre PA
3. Department of Medicine Erie County Medical Center Buffalo NY
4. Division of Cardiology Lahey Hospital and Medical CenterBeth Israel Lahey Health Burlington MA
5. Department of Cardiovascular Medicine West Virginia University Morgantown WV
6. Division of Cardiology David Geffen School of Medicine at UCLA Los Angeles CA
7. Division of Cardiology Loma Linda University Loma Linda CA
8. Division of Cardiology and the Cardiovascular Institute Stanford University Stanford CA
9. Center for Outcomes Research Houston Methodist Houston TX
10. Division of Cardiology Johns Hopkins University School of Medicine Baltimore MD