1. From the Department of Neurology (M.E.E.), Duke University School of Medicine, Durham, NC
2. Duke Clinical Research Institute, Durham, NC (L.L., H.X., A.S.K., A.F.H., E.D.P., Y.X.)
3. Department of Biostatistics and Bioinformatics (A.S.K.), Duke University School of Medicine, Durham, NC
4. Department of Neurology, Institute for Heart, Vascular and Stroke Care, Massachusetts General Hospital (L.H.S.), Harvard Medical School, Boston
5. Department of Neurosciences, Cumming School of Medicine, University of Calgary, Canada (E.E.S.)
6. Division of Cardiology, Ronald Reagan University of California, Los Angeles Medical Center (G.C.F.).
7. Brigham and Women’s Hospital Heart and Vascular Center (D.L.B.), Harvard Medical School, Boston
8. Department of Medicine (E.D.P.), Duke University School of Medicine, Durham, NC