[1
]Centre Hospitalier Universitaire de Nantes, Nantes Cedex, France
[2
]University of Calgary, Calgary, Alberta, Canada
[3
]University of California, Los Angeles Medical Center, Los Angeles
[4
]University of Glasgow, Glasgow, Scotland
[5
]State University of New York at Buffalo
[6
]Erasmus MC, University Medical Center, Rotterdam, the Netherlands
[7
]Academic Medical Center Amsterdam, Amsterdam, the Netherlands
[8
]Maastricht University Medical Center, Maastricht, the Netherlands
[9
]University of Pittsburgh School of Medicine, Pittsburgh, Pennsylvania
[10
]The Royal Melbourne Hospital, Victoria, Australia
[11
]University Hospital of Montpellier, Montpellier, France
[12
]The Florey Institute of Neuroscience and Mental Health, Parkville, Australia
[13
]Division of Neurosurgery, Department of Surgery, University of Saskatchewan, Saskatoon,
Saskatchewan, Canada
[14
]University Hospital of Poitiers, Poitiers, France
[15
]Department Radiology, MC Haaglanden, Leidschendam, the Netherlands
[16
]Hopital Saint Anne, University Paris-Descartes, Paris, France
[17
]Department of Neuroradiology, Royal Victoria Hospital, Belfast, Belfast, Ireland
[18
]Altair Biostatistics, Mooresville, North Carolina
[19
]Centre Hospitalier Universitaire Clermont-Ferrand, Clermont-Ferrand, France
[20
]University of Toronto, Toronto Western Hospital, Toronto, Ontario, Canada
[21
]Abington and Jefferson Health, Abington, Pennsylvania
[22
]University of Duisburg-Essen, Duisburg-Essen, Germany
[23
]Oxford University Hospitals National Health Services Foundation trust and University
of Oxford, Oxford, England
[24
]Hospital Vall d'Hebron, Barcelona, Spain
[25
]Institute of Neuroscience, Newcastle University, Newcastle upon Tyne, England
[26
]Department of Clinical Neuroscience, Central Clinical School, Monash University and
The Alfred Hospital, Melbourne, Australia
[27
]Hospital Clinic of Barcelona, Barcelona, Spain
[28
]Hospital Germans Trias i Pujol, Badalona, Barcelona, Spain
[29
]University of Lorraine, and University Hospital of Nancy, Nancy, France