Affiliation: | 1. Interventional Cardiology, MedStar Washington Hospital Center, , Washington, District of Columbia;2. Laval Hospital, Quebec Heart and Lung Institute, , Quebec, Canada;3. Bridgeport Hospital, , Bridgeport, Connecticut;4. Stony Brook University Medical Center, , Stony Brook, New York;5. University of North Carolina, , Chapel Hill, North Carolina;6. Hamilton General Hospital, , Ontario, Canada |