1. From the Ottawa Stroke Program, Department of Medicine, Division of Neurology, (V.Y., D.D.), University of Ottawa, Canada
2. Ottawa Methods Center (T.R., D.A.F.), University of Ottawa, Canada
3. Ottawa Hospital Research Institute (T.R., D.A.F., D.D.), University of Ottawa, Canada
4. Calgary Stroke Program, Departments of Clinical Neurosciences (A.M.D., M.D.H.), Hotchkiss Brain Institute, University of Calgary, Canada
5. Radiology (A.M.D., M.D.H.), Hotchkiss Brain Institute, University of Calgary, Canada
6. Department of Radiology (R.I.A.), University of Ottawa, Canada
7. Department of Neurology, Hospital Universitari Vall d’Hebron, Barcelona, Spain (D.R.-L., C.A.M.)
8. Department of Neurology, Dr. Josep Trueta University Hospital, Institut d’Investigació Biomèdica Girona Foundation, Spain (Y.S.)
9. Department of Neurology, Elblandklinikum Meissen Academic Teaching Hospital of the Technische University, Dresden, Germany (I.D.)
10. Interventional Stroke and Cerebrovascular Treatment Center and 2nd Department of Neurology, Institute of Psychiatry and Neurology, Warsaw, Poland (A.K.)
11. Department of Experimental and Clinical Pharmacology, Warsaw, Poland (A.K.)
12. Department of Medicine, Charles LeMoyne Hospital, University of Sherbrooke, Longueuil, Canada (J.-M.B.)
13. Department of Neurology, Dalhousie University, Halifax, Canada (G.G.)
14. Department of Neurology, All India Institute of Medical Sciences, New Delhi (P.S., R.B.)
15. Apollo Gleneagles Hospitals, Kolkata (J.R.)
16. Department of Neurology, Boston Medical Center, MA (C.S.K.)
17. Department of Emergency Medicine, Massachusetts General Hospital, Boston (J.N.G.).