1. VA North Texas Healthcare System and UT Southwestern Medical Center, Dallas, TX
2. Division of Invasive Cardiology, Second Department of Internal Medicine and Cardiology Center, University of Szeged, Hungary
3. Henry Ford Hospital, Detroit, MI
4. Massachusetts General Hospital and Harvard Medical School, Boston, MA
5. Beth Israel Deaconess Medical Center, Boston, MA
6. VA San Diego Healthcare System and University of California San Diego, San Diego, CA
7. Medical Center of the Rockies, Loveland, CO
8. Mid America Heart Institute, Kansas City, MO
9. Columbia University, New York, NY
10. University of Washington, Seattle, WA
11. Piedmont Heart Institute, Atlanta, GA
12. Minneapolis VA Healthcare System and University of Minnesota, Minneapolis, MN
13. Torrance Memorial Medical Center, Torrance, CA
14. Boston Scientific, Natick, MA