1. Division of Cardiology, Department of Medicine, Heart Vascular Stroke Institute, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, Republic of Korea (Y.B.S.).
2. Division of Cardiology, Johns Hopkins University School of Medicine, Baltimore, MD (Y.B.S., A.A.-Z., M.R.O., A.L.V., J.B., J.A.C.L., J.M.M.).
3. Department of Epidemiology, Johns Hopkins Bloomberg School of Public Health, Baltimore, MD (M.B.M., C.C.).
4. Department of Radiology, Charité Medical School, Humboldt, Berlin, Germany (M.D.).
5. Department of Medicine, InCor Heart Institute, University of Sao Paulo Medical School, Brazil (C.R.).
6. Department of Medicine, Division of Cardiology, Memorial Heart Center, Iwate Medical University, Morioka, Japan (H.N.).
7. Department of Radiology, Beth Israel Deaconess Medical Center, Harvard University, Boston, MA (R.L.).
8. Canon Medical Systems, Europe, Zoetermeer, the Netherlands (J.D.S.).
9. Department of Radiology, Brigham and Women’s Hospital, Harvard Medical School, Boston, MA (M.d.C.).