1. Department of Neurology, University of Kentucky College of Medicine, Lexington (S.D.).
2. Department of Neurology, The Warren Alpert Medical School of Brown University, Providence, RI (E.D.G., S.Y.).
3. Department of Neurology, Yale School of Medicine, New Haven, CT (A.d.H., M.A.).
4. Department of Neurology, Boston University Chobanian & Avedisian School of Medicine, MA (T.N.N.).
5. Stroke Center, Lisbon Central University Hospital and Faculty of Medicine, University of Lisbon, Portugal (D.A.d.S.).