<affiliation wicri:level="4"><nlm:affiliation>From the Department of Radiology and Clinical Neurosciences, University of Calgary, Calgary, Alberta, Canada (M.G., M.A., B.M., M.H., A.D.); Department of Medicine, Faculty of Medicine, King Abdulaziz University, Jeddah, Saudi Arabia (M.A.); Department of Neurosurgery, University of Florida, Gainesville (K.F.); Department of Neurology, John Hunter Hospital, University of Newcastle, Callaghan, Australia (M.P.); Department of Neurology, Samsung Medical Center, Sungkyunkwan University, Seoul, Korea (O.Y.B.); Department of Neurosurgery, Buffalo, NY (A.S.); Department of Neuroradiology, Karolinska University Hospital, Stockholm, Sweden (T.A.); Department of Clinical Neuroscience, Karolinska Institutet, Stockholm, Sweden (T.A.); Department of Neuroradiology, University Hospital of Geneva, Geneva, Switzerland (V.M.); Department of Neurology, University Hospital Germans Trias i Pujol, Badalona, Barcelona, Spain (A.D.); Department of Radiology, Medical University of South Carolina, Charleston (A.T.); Department of Neurological Surgery, Vanderbilt University Medical Center, Nashville, TN (J.M.); Department of Medicine and Neurology, Royal Melbourne Hospital, University of Melbourne, Melbourne, Australia (B.C.); Department of Neurology, Emory University, Atlanta, GA (R.N.); Wellstar Neurosurgery, Wellstar Neuroscience Institute, Wellstar Health System, Marietta, GA (R.G.); The Dublin Neurological Institute, Mater Misericordiae University Hospital, Dublin 7, Ireland (S.M.); Department of Neurology, Stroke Institute, University of Pittsburgh Medical Center, PA (T.J.); Departments of Neurology and Radiology, University of Cincinnati, OH (P.K., J.P.B.); Department of Interventional Neuroradiology, Capital University, Beijing, China (Z.M.); and Department of Neurology, University of California, Los Angeles (J.S.).</nlm:affiliation>
<orgName type="university">Université de Calgary</orgName>
<country>Canada</country>
<placeName><settlement type="city">Calgary</settlement>
<region type="state">Alberta</region>
</placeName>
