1. Cardialysis, Rotterdam, The Netherlands (H.M.G.-G., Y.O., M.-a.M., G.A.v.E.).
2. Interventional Cardiology, MedStar Washington Hospital Center, DC (H.M.G.-G.).
3. Interventional Cardiology, Cork University Hospital, Ireland (E.P.M.).
4. US Food and Drug Administration, Washington, DC (A.F., B.Z.).
5. Zena and Michael A. Weiner Cardiovascular Institute, Icahn School of Medicine at Mount Sinai, New York, NY (R.M.).
6. Clinical Trials Center, Cardiovascular Research Foundation and Division of Cardiology, Columbia University Medical Center, New York, NY (G.W.S.).
7. Mid America Heart Institute, University of Missouri, Kansas City (J.S.).
8. Stanford University Medical Center, CA (W.F.F.).
9. Nuffield Department of Surgery, University of Oxford, United Kingdom (D.T.).
10. Department of Cardiothoracic Surgery, Thoraxcenter, Erasmus Medical Center, Rotterdam, The Netherlands (A.-P.R.).
11. Duke University Medical Center/Duke Clinical Research Institute, Durham, NC (M.W.K.).
12. Hartcentrum Hasselt and Faculty of Medicine and Life Sciences University of Hasselt, Belgium (P.V.).
13. Bern University Hospital, Switzerland (S.W.).
14. Harvard Clinical Research Institute, Boston, MA (D.C.).
15. Beth Israel Deaconess Medical Center, Boston, MA (D.C.).
16. Centre for International Cardiovascular Health, Imperial College London, United Kingdom (P.W.S.)