1Division of Stroke Care Unit, National Cerebral and Cardiovascular Center, Suita, Japan
2Stroke Center, Kindai University Hospital, Osakasayama, Japan
3Division of Stroke Prevention and Treatment, Institute of Medicine, University of Tsukuba, Tsukuba, Japan
4Department of Radiology, Radiation Oncology, Boston Medical Center, Boston, MA, USA
5Department of Neurosurgery, Hyogo Medical University, Nishinomiya, Japan
6Department of Neurology, University of Chicago, Chicago, IL, USA
7Department of Neurology, University of Pittsburgh Medical Center, Pittsburgh, PA, USA
8Department of Neurosurgery, Kobe City Medical General Hospital, Kobe, Japan
9Department of Neurology, Helsinki University Hospital, University of Helsinki, Helsinki, Finland
10Department of Neurology, Klinikum Ludwigshafen, Heidelberg University Hospital, Ludwigshafen, Germany
11Department of Neurology, Heidelberg University Hospital, Heidelberg, Germany
12Department of Neurology, Leuven University Hospital, Leuven, Belgium
13Department of Neurology, Faculty of Medicine and University Hospital Carl Gustav Carus, Technische Universität Dresden, Dresden, Germany
14Dresden Neurovascular Center, Faculty of Medicine and University Hospital Carl Gustav Carus, Technische Universität Dresden, Dresden, Germany
15Department of Neurology, Grady Memorial Hospital, Atlanta, GA, USA
16Department of Radiology, Boston Medical Center, Boston University Chobanian & Avedisian School of Medicine, Boston, MA, USA
17Department of Neurology, Hospital Vall d’Hebron, Barcelona, Spain
18Department of Neurology, Hospital de Egas Moniz, Centro Hospitalar Lisboa Ocidental, Lisbon, Portugal
19Department of Neurology, Hôpital Civil Marie Curie, Charleroi, Belgium
20Department of Neurology, Centre Hospitalier Universitaire de Lille, University of Lille, Lille, France
21Department of Neuroradiology, Hospital de Egas Moniz, Centro Hospitalar Lisboa Ocidental, Lisbon, Portugal
22Department of Neurology, University of Iowa, Iowa City, IA, USA
23Department of Neurology, UTHealth Houston, Houston, TX, USA
24Department of Clinical Neurosciences, University of Cambridge, Cambridge, UK
25Institute of Diagnostic and Interventional Neuroradiology, University Hospital Bern, University of Bern, Bern, Switzerland
26Department of Radiology, Helsinki University Hospital, University of Helsinki, Helsinki, Finland
27Department of Neurology, University of Toledo, Toledo, OH, USA
28Division of Interventional Neuroradiology, University of Massachusetts Memorial Medical Center, Worcester, MA, USA
29Department of Radiology, Centre Hospitalier de l’Universite de Montreal, Montreal, Canada
30Department of Neurology, State University of New York, Upstate Medical University, Syracuse, NY, USA
31Department of Radiology, Heidelberg University Hospital, Heidelberg, Germany
32Department of Diagnostic and Interventional Neuroradiology, Faculty of Medicine and University Hospital Carl Gustav Carus, Technische Universität Dresden, Dresden, Germany
33Department of Neurology, Lausanne University Hospital, Lausanne, Switzerland
34Department of Neuroradiology, Heidelberg University Hospital, Heidelberg, Germany
35Neuroscience and Stroke Program, Bon Secours Mercy Health St. Vincent Hospital, Toledo, OH, USA
36Department of Neurology, University Hospital Basel, Switzerland
37Department of Neurology, University Hospital Bern, Switzerland
38Department of Neurology, Boston Medical Center, Boston University Chobanian & Avedisian School of Medicine, Boston, MA, USA