1. Klinik und Poliklinik für Neurologie, Kopf- und Neurozentrum, University Medical Center Hamburg-Eppendorf, Germany (B.M.F., F.S., B.C., E.B., A.K., E.S., C.G., G.T.).
2. Hospices Civils de Lyon, Service de Biostatistique, F-69003 Lyon, France; Université Lyon 1, France; CNRS, UMR 5558, Laboratoire de Biométrie et Biologie Evolutive, Equipe Biostatistique-Santé, Villeurbanne, France (F.B.).
3. Department of Stroke Medicine, Université Claude Bernard Lyon 1, CREATIS CNRS UMR 5220-INSERM U1206, INSA-Lyon; Hospices Civils de Lyon, France (T.-H.C., N.N.).
4. Centrum für Schlaganfallforschung Berlin (CSB), Charité - Universitätsmedizin Berlin, Berlin, Germany (M. Ebinger, M. Endres, J.B.F., I.G.).
5. Neurologie der Rehaklinik Medical Park Humboldtmühle, Berlin, Germany (M. Ebinger).
6. Klinik und Hochschulambulanz für Neurologie, Charité-Universitätsmedizin Berlin, Germany (M. Endres).
7. Department of Diagnostic and Interventional Neuroradiology, University Medical Center Hamburg-Eppendorf, Germany (J.F.).
8. Department of Radiology, Institut de Diagnostic per la Image (IDI), Hospital Dr Josep Trueta, Institut d’Investigació Biomèdica de Girona (IDIBGI), Parc Hospitalari Martí i Julià de Salt, Girona, Spain (S.P.).
9. Department of Neurology, University Hospitals Leuven, Belgium (R.L.).
10. KU Leuven – University of Leuven, Department of Neurosciences, Experimental Neurology, Belgium (R.L.).
11. VIB, Center for Brain & Disease Research, Laboratory of Neurobiology, Campus Gasthuisberg, Belgium (R.L.).
12. Florey Institute of Neuroscience and Mental Health, University of Melbourne, Victoria, Australia (V.T.).
13. Austin Health, Department of Neurology, Heidelberg, VIC, Australia (V.T.).
14. Institute of Neuroscience & Psychology, University of Glasgow, University Avenue, Glasgow, United Kingdom (K.W.M.).
15. Department of Neurology, Aarhus University Hospital, Denmark (C.Z.S.).