Department of Interventional Neuroradiology, Rothschild Foundation Hospital, Paris, France; Laboratory of Vascular Translational Science, INSERM, Paris, France; Université de Paris, Paris, France; FHU NeuroVasc, Assistance Publique-Hôpitaux de Paris, Paris, France. Electronic address: mmazighi@for.paris. Department of Neurology, Stroke Unit, University Hospital of Nancy, Nancy, France; Université de Lorraine, INSERM, Nancy, France. Department of Neurology, Foch Hospital, University Versailles Saint-Quentin en Yvelines, Suresnes, France. Stroke Unit, CHU Bordeaux, Université de Bordeaux, Bordeaux, France. Department of Diagnostic and Therapeutic Neuroradiology, CHRU-Nancy, Université de Lorraine, Nancy, France; Université de Lorraine, IADI, INSERM U1254, Nancy, France. Interventional and Diagnostic Neuroradiology Department, Bordeaux University Hospital, Bordeaux, France. Department of Neuroradiology, Foch Hospital, University Versailles Saint-Quentin en Yvelines, Suresnes, France. Department of Biostatistics, University Lille, CHU de Lille, Lille, France. Stroke Unit, Toulouse University Hospital, Toulouse, France. Department of Neurology and Rehabilitation Medicine, University of Cincinnati College of Medicine, Cincinnati, OH, USA. Department of Neurology, Université Caen Normandie, INSERM U1237, CHU Caen Normandie, Caen, France. Department of Neurology, University of Missouri, Women's and Children's Hospital, Columbia, MO, USA. Department of Clinical Research, Rothschild Foundation Hospital, Paris, France. Department of Interventional Neuroradiology, Rothschild Foundation Hospital, Paris, France. Department of Interventional Neuroradiology, Rothschild Foundation Hospital, Paris, France; Laboratory of Vascular Translational Science, INSERM, Paris, France; Université de Paris, Paris, France; FHU NeuroVasc, Assistance Publique-Hôpitaux de Paris, Paris, France. Division of Neurology and Department of Medical Imaging, Ottawa Hospital Research Institute, University of Ottawa, Paris, France. Stroke Unit, Rothschild Foundation Hospital, Paris, France. Department of Interventional Neuroradiology, Rothschild Foundation Hospital, Paris, France; Laboratory of Vascular Translational Science, INSERM, Paris, France; FHU NeuroVasc, Assistance Publique-Hôpitaux de Paris, Paris, France. Diagnostic Imaging and Radiology Department, Rothschild Foundation Hospital, Paris, France.