1. Calgary Stroke Program, Department of Clinical Neurosciences and Radiology, Cumming School of Medicine, Hotchkiss Brain Institute, University of Calgary, Canada (B.K.M., M.G., E.E.S.).
2. Duke Clinical Research Institute (H.X., M.C., E.P., Y.X.), Duke University, Durham, NC.
3. Department of Neurology (J.L.S.), University of California, Los Angeles.
4. Departments of Biostatistics and Bioinformatics (R.M.), Duke University, Durham, NC.
5. Departments of Neurosurgery and Radiology (R.J.), University of California, Los Angeles.
6. Departments of Neurology and Neurosurgery, University of Miami Miller School of Medicine, FL (D.Y.).
7. Wellstar Neuroscience Institute, Georgia Institute of Technology, Marietta (R.G.).
8. Memorial Regional Hospital, Hollywood, FL (B.M.).
9. Brigham and Women’s Hospital Heart & Vascular Center, Harvard Medical School, Boston, MA (D.L.B.).
10. Ahmanson-University of California, Los Angeles, Cardiomyopathy Center, Ronald Reagan-University of California, Los Angeles, Medical Center (G.C.F.), University of California, Los Angeles.
11. Department of Neurology, Massachusetts General Hospital, Boston (L.H.S.).