1. Department of Cardiovascular Surgery, Houston Methodist DeBakey Heart and Vascular Center, Houston, Texas
2. Evanston Hospital Cardiology Division, Northshore University Health System, Evanston, Illinois
3. Piedmont Heart Institute, Atlanta, Georgia
4. Cedars-Sinai Heart Institute, Los Angeles, California
5. Aurora St Luke's Medical Center, Milwaukee, Wisconsin
6. Heart Center Dresde, Dresden University Hospital, Dresden, Germany
7. The Lindner Research Center, The Christ Hospital Heart and Vascular Center, Cincinnati, Ohio
8. Washington Hospital Center, Washington, DC
9. Emory University, Emory University Hospital, Atlanta, Georgia
10. Baylor Heart & Vascular Hospital, Dallas, Texas
11. St John's Hospital, Springfield, Illinois
12. HonorHealth, Scottsdale-Lincoln Health Network, Scottsdale, Arizona
13. Gates Vascular Institute, University at Buffalo, Buffalo, New York
14. University of Pittsburgh Medical Center, Pittsburgh, Pennsylvania
15. Department of Internal Medicine/Cardiology, Herzzentrum Dresden, Technische Universität Dresden, Dresden, Germany
16. Morton Plant Mease Healthcare System, Clearwater, Florida
17. Clinique Pasteur, Toulouse, France
18. Providence St Vincent Medical Center, Portland, Oregon
19. Boston Scientific Corp, Marlborough, Massachusetts