1. Albert Einstein College of Medicine, Montefiore Medical Center, New York, NY (I.L.P., Q.Z., N.C.)
2. Duke Clinical Research Institute (L.S.)
3. National Institute of Cardiology, Warsaw, Poland (H.S.)
4. Medical University of Vienna, Austria (I.M.L.)
5. Instituto Dante Pazzanese de Cardiologia, Sao Paulo, Brazil (P.S.F.)
6. Istituti di Ricovero e cura a Carattere Scientifico Policlinico San Donato, Milan, Italy (S.C.)
7. Medical University of Silesia, Katowice, Poland (J.B.)
8. Department of Surgery-Cardiac, University of Trier, Germany (A.P.)
9. Dedinje Cardiovascular Institute, Belgrade, Serbia (D.K.)
10. University Hospital Favaloro Foundation, Buenos Aires, Argentina (L.E.F.)
11. Heart Institute, University of Sao Paulo Medical School, Brazil (J.C.N.)
12. Department of Medicine/Cardiology, University of California–Riverside School of Medicine (P.V., R.G.P.)
13. Medicine (E.J.V.), Duke University School of Medicine, Durham, NC
14. Departments of Biostatistics and Bioinformatics (K.L.L.)
15. Division of Cardiovascular Sciences, National Heart, Lung, and Blood Institute, National Institutes of Health, Bethesda, MD (P.D.-N.)