1. From the Department of Neurology, Karolinska University Hospital, Stockholm, Sweden (M.V.M., N.A., T.P.M.)
2. Department of Clinical Neuroscience, Karolinska Institutet, Stockholm, Sweden (M.V.M., N.A., T.P.M.)
3. Department of Neurology, Hospital São João, University of Porto, Portugal (E.A.)
4. Department of Neurosciences, Stroke Unit, Hospital Universitari Germans Trias i Pujol, Universitat Autònoma de Barcelona, Badalona, Spain (A.D., L.D.)
5. Second Department of Neurology, Institute of Psychiatry and Neurology, Warsaw, Poland (M.K.)
6. Department of Neurology and Psychiatry, University of Rome–La Sapienza, Italy (S.L., D.T.).
7. Department of Neurology and Stroke Center, County Hospital Chomutov, Czech Republic (J.N.)