1. Stroke Unit, Neurology Department, Hospital Vall d’Hebron, Departament de Medicina, Universitat Autònoma de Barcelona (M.O.-G., M.R.).
2. Methinks Software, Barcelona, Spain (C.C., C.G., C.M.).
3. Stroke Unit, Hospital Germans Trias i Pujol, Badalona, Spain (M.H.-P., N.P.d.l.O.).
4. Comprehensive Stroke Center, Hospital Clínic, Barcelona, Spain (C.L., X.U.).
5. Radiology Department, Hospital Clínic, Barcelona, Spain (J.C.S., A.S.).
6. Radiology Department, Hospital Germans Trias i Pujol, Badalona, Spain (P.P., P.C.).
7. Universitat Internacional de Catalunya, Faculty of Medicine and Health Science, Medicine Department, Sant Cugat del Vallès, Spain (P.C.).