1. Department of Neurology, Cerebrovascular Center, Neurological Institute, Cleveland Clinic, OH (S.M., K.U., M.S.H.).
2. Duke Clinical Research Institute, Duke University, Durham, NC (N.S., B.A.).
3. Department of Neurology, Duke University School of Medicine, Durham, NC (B.M.G.).
4. Department of Neurology, University of California, Los Angeles (J.L.S.).
5. Department of Clinical Neurosciences, Hotchkiss Brain Institute, University of Calgary, Alberta, Canada (E.E.S.).
6. Department of Neurology, University of Texas Southwestern Medical Center, Dallas (Y.X.).
7. Mount Sinai Heart, Icahn School of Medicine at Mount Sinai Health System, New York, NY (D.L.B.).
8. Department of Neurology, Massachusetts General Hospital, Boston (L.H.S.).
9. Division of Cardiology, University of California, Los Angeles (G.C.F.).