1. From the Division of Neurology, Department of Medicine, St. Michael’s Hospital, University of Toronto, Canada (G.S.)
2. Department of Clinical Neurosciences, University of Calgary, Canada (B.K.M., M.A., M.M.F., A.M.D., M.D.H., M.G.)
3. Department of Radiology, University of Calgary, Canada (B.K.M., N.K., A.T.W., M.A., A.M.D., M.D.H., M.G.)
4. Department of Neurosurgery, Hyogo College of Medicine 1-1 Mukogawa-cho, Nishinomiya, Japan (S.Y.);
5. Department of Medicine and Neurology, Royal Melbourne Hospital, University of Melbourne, Parkville, Australia (B.C.V.C.)
6. Department of Interventional Neuroradiology, Erlanger Hospital, University of Tennessee College of Medicine, Chattanooga (B.B.)
7. Department of Neurology, Mayo Clinic, Rochester, MN (A.R.)
8. Department of interventional neuroradiology at Lyon University Hospital, University of Lyon, France (F.T.)
9. Department of Neurology, University Hospital Bern, Inselspital, University of Bern, Switzerland (U.F.)
10. Department of Radiology, University Hospital Basel, University of Basel, Switzerland (J.M.O.)
11. Department of Radiology, Royal Melbourne Hospital, Parkville, Victoria, Australia (P.J.M.)
12. Department of Neurology, Comprehensive Stroke Program, Sree Chitra Tirunal Institute for Medical Sciences and Technology, Thiruvananthapuram, Kerala, India (P.N.S.)
13. Department of Radiology, Kovai Medical Center and Hospital, Coimbatore, India (M.C.)
14. Department of Radiology, Severance stroke center, Yunsei University College of Medicine, Seoul, South Korea (B.K.)
15. Department of Neurology, Yonsei University College of Medicine, Seoul, South Korea (J.-H.H.)
16. Department of Stroke Medicine, Southend University Hospital, United Kingdom (A.P.).