1. Division of Cardiology, Department of Medicine, Virginia Commonwealth University, Richmond, Virginia, USA
2. Division of Cardiology, Department of Medicine, University of Florida College of Medicine, Gainesville, Florida, USA
3. Department of Medicine, University of Florida College of Medicine, Gainesville, Florida, USA
4. Interventional Cardiology, Cardiovascular Institute of the South, Houma, Louisiana, USA
5. Florida Heart and Vascular Center, Leesburg, Florida, USA
6. Division of Cardiology and Medicine, Baylor College of Medicine, Houston, Texas, USA
7. Division of Cardiology, Department of Medicine, University of Washington, Seattle, Washington, USA
8. Department of Cardiology, University Hospital of Bern, Bern, Switzerland
9. Program in Interventional Cardiology, Division of Cardiology, David Geffen School of Medicine, University of California at Los Angeles, Los Angeles, California, USA