1. Division of Cardiology; St. Lukes-Roosevelt Hospitals of the Mount Sinai Health System; New York New York
2. Division of Cardiology; Massachusetts General Hospital; Boston Massachusetts
3. Division of Cardiology; University of Utah; Salt Lake City Utah
4. Division of Cardiology; Texas Tech University; El Paso Texas
5. Cardiovascular Medicine Division; University Hospitals Case Medical Center, Harrington Heart and Vascular Institute and Case Western Reserve University School of Medicine; Cleveland Ohio
6. Division of Cardiology; University of Texas Southwestern Medical School; Dallas Texas
7. Herbert and Sandi Feinberg Interventional Cardiology and Heart Valve Center at Columbia University Medical Center/New York-Presbyterian Hospital; New York New York
8. Division of Cardiology; Temple University School of Medicine; Philadelphia Pennsylvania
9. Cardiovascular Medicine Division; Perelman School of Medicine, University of Pennsylvania; Philadelphia Pennsylvania