1. Department of Cardiology St. Francis Hospital—The Heart Center Roslyn New York USA
2. Division of Cardiovascular Medicine Brigham & Women's Hospital Boston Massachusetts USA
3. Division of Cardiovascular Medicine, Tampa General Hospital University of South Florida Health Tampa Florida USA
4. Division of Cardiology McMaster University Hamilton Ontario Canada
5. Division of Cardiovascular Medicine Kansas Heart Hospital Wichita Kansas USA
6. Abbott Vascular Santa Clara California USA
7. Cardiovascular Research Foundation Clinical Trial Center New York City New York USA