1. Department of Neurology, Brown University, Providence, RI (S.Y., L.S., C.S., N.K., S.E.J., A.C., S.C., K.F.).
2. Department of Neurology, University of Alabama at Birmingham (E.B.).
3. Department of Neurology, University of Colorado School of Medicine, Aurora (S.S.O.).
4. Department of Neurology, Washington University, Saint Louis, MO (J.A.G., J.Y.A.).
5. Department of Neurology (N.H., M.E.), University of Massachusetts, Worcester.
6. Department of Psychiatry (N.H.), University of Massachusetts, Worcester.
7. Department of Neurology, Weill Cornell Medical Center, NY (A.L.L.).
8. Department of Neurology, Montefiore Medical Center, NY (K.M., J.L.).
9. Department of Neurology, Yale University, New Haven, CT (R.S., Y.C., A.S.Z., A.d.H.).
10. Department of Neurology, University of Florida, Gainesville (A.N.S., G.T.L., J.C.K., D.P.).
11. Department of Neurology, Inselspital Universitätsspital, Bern, Switzerland (M.H., A.S., D.S., B.S.).
12. Department of Neurology, University of Pennsylvania, Philadelphia, PA (A.R., O.K., D.D.).
13. Department of Neurology (S.A.K., L.A.R.), Medical University of South Carolina, Charleston.
14. Department of Neurosurgery (S.A.K.), Medical University of South Carolina, Charleston.
15. Department of Neurology and Rehabilitation Medicine, University of Cincinnati (E.A.M., P.K., Y.A., B.C.).
16. Department of Neurology, Vanderbilt University, Nashville, TN (D.K., H.L.).
17. Department of Neurology, Boston University School of Medicine, MA (T.N.N., P.K., H.A.).
18. Department of Neurology, New York University, NY (J.F., L.K., S.A.).
19. Department of Biostatistics, University of California Santa Barbara (H.X.).
20. Department of Neurology, University of Utah, Salt Lake City (V.M.).
21. Department of Neurology, Christchurch hospital, New Zealand (T.W., D.W.).
22. Department of Neurology, Hartford Hospital, CT (A.N., S.D.A.).
23. Department of Neurology, University of Kansas, Kansas City (A.Q., J.M.).
24. Department of Neurology, Spectrum Health, Michigan State University, Grand Rapids (M.K., Y.C.).
25. Department of Neurology, Duke University, Durham, NC (B.M.G., M.W., D.R.).
26. Department of Medicine and Surgery, University of Perugia, Italy (M.C.V.).
27. Neurology – Stroke Unit, IRCCS MultiMedica, Milano, Italy (M.P.).
28. Department of Neurology, Cooper University, Camden, NJ (J.E.S., S.K., S.Y.).
29. Department of Neurology, George Washington University, District of Columbia (C.R.L.G., E.A.).
30. Department of Neurology, University Hospital Basel and University of Basel, Switzerland (G.M.D.M., T.D.).
31. Department of interventional and diagnostic Neuroradiology, Clinic of Radiology and Nuclear Medicine, University Hospital Basel and University of Basel, Switzerland (A.B., M.P.).
32. Department of Neurology, University of Chicago, IL (R.A.-D., T.K.-H., S.P.).
33. Department of Neurology, University of California at Los Angeles (T.H., D.S.L.).