1. Departments of Internal Medicine (Cardiology) and Surgery (Cardiac Surgery), Yale University School of Medicine, New Haven, Connecticut
2. Department of Cardiothoracic Surgery and Cardiology, Valley Health System, Winchester, Virginia
3. Departments of Cardiac Surgery and Interventional Cardiology, University of Michigan Hospitals, Ann Arbor
4. Departments of Interventional Cardiology and Cardiothoracic Surgery, Oregon Health and Science University, Portland
5. Departments of Interventional Cardiology and Cardiothoracic Surgery, Houston Methodist DeBakey Heart and Vascular Institute, Houston, Texas
6. Division of Cardiovascular Ultrasound, Mayo Clinic, Rochester, Minnesota
7. Department of Statistics, Medtronic, Minneapolis, Minnesota
8. Department of Interventional Cardiology, Beth Israel Deaconess Medical Center, Boston, Massachusetts