부산대학교 도서관

Helven, C.; Burel, J.; Vannier, M.; Maltête, D.; Ozkul-Wermester, O.; Hermary, C.; Wallon, D.; Grangeon, L.

In Revue Neurologique December 2023 179(10):1074-1080

Costalat V; From the Department of Neuroradiology, Hôpital Gui de Chauliac, Montpellier (V.C.), the Departments of Neurology (J.F. Albucher) and Neuroradiology (C. Cognard), Hôpital Pierre Paul Riquet, and Toulouse Clinical Investigations Centers 1436 (J.F. Albucher, C. Cognard), Toulouse, the Departments of Neurology (H.H.) and Neuroradiology (N.N.), Hôpital Salengro, and the Department of Biostatistics, Centre Hospitalier Universitaire (CHU) Lille (A.D., J.L.), Lille, the Department of Neuroradiology, Hôpital central, L'unité d'Imagerie Adaptative Diagnostique et Interventionnelle, INSERM Unité 1254 (B. Gory), and the Department of Neurology, Hôpital central, Centre d'investigation clinique Plurithématique 1433, INSERM Unité 1116 (S.R.), Nancy, the Departments of Neuroradiology (G.M.) and Neurology (I.S.), Hôpital Pellegrin, Bordeaux, the Department of Neuroradiology, Hôpital Foch, Suresnes (F.D.M.), the Departments of Neurology (M.A.) and Neuroradiology (G.B.), Hôpital Bretonneau, Tours, the Departments of Neurology (M.O.) and Neuroradiology (M.P.), Hôpital Fondation Adolphe de Rothschild, the Departments of Neurology (G.T.) and Neuroradiology (O.N.), Groupe Hospitalier Universitaire Paris, Centre Hospitalier Sainte-Anne, INSERM Unité 1266, the Departments of Neuroradiology (F.C.) and Neurology (S.A.), Hôpital La Pitié-Salpêtrière, Assistance Publique-Hôpitaux de Paris (AP-HP), the Departments of Neuroradiology (L. Spelle) and Neurology (C.D.), Hôpital Bicêtre, AP-HP, the Departments of Neurology (M. Mazighi) and Neuroradiology (E.H.), Hôpital Lariboisière AP-HP, and INSERM Unité 1266 (C.A.), Paris, the Department of Neuroradiology, Nantes Université, CHU Nantes (R.B.), INSERM Unité Mixte de Recherche 1087, Centre National de la Recherche Scientifique, University of Nantes, L'institut du Thorax (R.B.), and Clinique Neurologique, Hôpital G.R. Laennec CHU Nantes (B. Guillon), Nantes, the Departments of Neurology (S.G.) and Neuroradiology (A.P.-P.), CHU d'Angers, Angers, the Departments of Neuroradiology (O.F.E.) and Neurology (T.-H.C.), Hospices Civils de Lyon, Groupement Hospitalier Est Hôpital Pierre Wertheimer, Lyon, the Departments of Neuroradiology (S.V.) and Neurology (M.L.), CHU Poitiers, Site de La Milétrie, Poitiers, the Stroke Unit (L. Suissa) and the Department of Neuroradiology (H.B.), Assistance Publique-Hôpitaux de Marseille, Hôpital de la Timone, Marseille, the Departments of Neuroradiology (J.-C.G.) and Neurology (S.T.), Centre Hospitalier Régional Universitaire (CHRU) Brest, Hôpital de la Cavale Blanche, Brest, the Departments of Neurology (C.L.) and Neuroradiology (C. Chivot), CHU Amiens-Picardie, Amiens, the Departments of Neurology (F.M.-M.) and Neuroradiology (C.M.), CHU Limoges, Dupuytren, Limoges, the Departments of Neurology (O.O.-W.) and Neuroradiology (C.P.), CHU Rouen, Rouen, the Departments of Neurology (V.W.) and Neuroradiology (R.P.), CHRU Strasbourg, Hôpitaux Universitaires de Strasbourg, Hôpital de Hautepierre, Strasbourg, the Departments of Neurology (A.F.) and Neuroradiology (E.C.), CHU Clermont-Ferrand, Hôpital Gabriel Montpied, Clermont-Ferrand, the Departments of Neuroradiology (F.R.) and Neurology (Y.B.), CHU Dijon-Bourgogne, Hôpital François Mitterrand, Dijon, and the Department of Neurology, Hôpital Foch, Suresnes (B.L.), and the Department of Neurology, Hôpital Gui de Chauliac, Montpellier (C.A.) - all in France; Cooper Neurological Institute and Cooper Medical School of Rowan University, Camden, NJ (T.G.J.); the Department of Neurology, Hospital Universitari de Bellvitge, L'Hospitalet de Llobregat (P.C.), and the Department of Neurology, Hospital Clínic de Barcelona (A.R.), Barcelona, the Department of Radiology, Hospital Universitario Central de Asturias, Oviedo (E.L.-C., P.V.), the Department of Neurology Hospital Germans Trias i Pujol, Badalona (M. Millán), Hospital Clínico Universitario de Valladolid, Valladolid (J.F. Arenillas), and the Department of Neurology, Hospital Universitario Cruces, Baracaldo (M.M.F.) - all in Spain; and the Department of Neurology, University of Southern California (N.S.), and the Department of Neurology, UCLA (D.S.L.) - both in Los Angeles.; Jovin TG; From the Department of Neuroradiology, Hôpital Gui de Chauliac, Montpellier (V.C.), the Departments of Neurology (J.F. Albucher) and Neuroradiology (C. Cognard), Hôpital Pierre Paul Riquet, and Toulouse Clinical Investigations Centers 1436 (J.F. Albucher, C. Cognard), Toulouse, the Departments of Neurology (H.H.) and Neuroradiology (N.N.), Hôpital Salengro, and the Department of Biostatistics, Centre Hospitalier Universitaire (CHU) Lille (A.D., J.L.), Lille, the Department of Neuroradiology, Hôpital central, L'unité d'Imagerie Adaptative Diagnostique et Interventionnelle, INSERM Unité 1254 (B. Gory), and the Department of Neurology, Hôpital central, Centre d'investigation clinique Plurithématique 1433, INSERM Unité 1116 (S.R.), Nancy, the Departments of Neuroradiology (G.M.) and Neurology (I.S.), Hôpital Pellegrin, Bordeaux, the Department of Neuroradiology, Hôpital Foch, Suresnes (F.D.M.), the Departments of Neurology (M.A.) and Neuroradiology (G.B.), Hôpital Bretonneau, Tours, the Departments of Neurology (M.O.) and Neuroradiology (M.P.), Hôpital Fondation Adolphe de Rothschild, the Departments of Neurology (G.T.) and Neuroradiology (O.N.), Groupe Hospitalier Universitaire Paris, Centre Hospitalier Sainte-Anne, INSERM Unité 1266, the Departments of Neuroradiology (F.C.) and Neurology (S.A.), Hôpital La Pitié-Salpêtrière, Assistance Publique-Hôpitaux de Paris (AP-HP), the Departments of Neuroradiology (L. Spelle) and Neurology (C.D.), Hôpital Bicêtre, AP-HP, the Departments of Neurology (M. Mazighi) and Neuroradiology (E.H.), Hôpital Lariboisière AP-HP, and INSERM Unité 1266 (C.A.), Paris, the Department of Neuroradiology, Nantes Université, CHU Nantes (R.B.), INSERM Unité Mixte de Recherche 1087, Centre National de la Recherche Scientifique, University of Nantes, L'institut du Thorax (R.B.), and Clinique Neurologique, Hôpital G.R. Laennec CHU Nantes (B. Guillon), Nantes, the Departments of Neurology (S.G.) and Neuroradiology (A.P.-P.), CHU d'Angers, Angers, the Departments of Neuroradiology (O.F.E.) and Neurology (T.-H.C.), Hospices Civils de Lyon, Groupement Hospitalier Est Hôpital Pierre Wertheimer, Lyon, the Departments of Neuroradiology (S.V.) and Neurology (M.L.), CHU Poitiers, Site de La Milétrie, Poitiers, the Stroke Unit (L. Suissa) and the Department of Neuroradiology (H.B.), Assistance Publique-Hôpitaux de Marseille, Hôpital de la Timone, Marseille, the Departments of Neuroradiology (J.-C.G.) and Neurology (S.T.), Centre Hospitalier Régional Universitaire (CHRU) Brest, Hôpital de la Cavale Blanche, Brest, the Departments of Neurology (C.L.) and Neuroradiology (C. Chivot), CHU Amiens-Picardie, Amiens, the Departments of Neurology (F.M.-M.) and Neuroradiology (C.M.), CHU Limoges, Dupuytren, Limoges, the Departments of Neurology (O.O.-W.) and Neuroradiology (C.P.), CHU Rouen, Rouen, the Departments of Neurology (V.W.) and Neuroradiology (R.P.), CHRU Strasbourg, Hôpitaux Universitaires de Strasbourg, Hôpital de Hautepierre, Strasbourg, the Departments of Neurology (A.F.) and Neuroradiology (E.C.), CHU Clermont-Ferrand, Hôpital Gabriel Montpied, Clermont-Ferrand, the Departments of Neuroradiology (F.R.) and Neurology (Y.B.), CHU Dijon-Bourgogne, Hôpital François Mitterrand, Dijon, and the Department of Neurology, Hôpital Foch, Suresnes (B.L.), and the Department of Neurology, Hôpital Gui de Chauliac, Montpellier (C.A.) - all in France; Cooper Neurological Institute and Cooper Medical School of Rowan University, Camden, NJ (T.G.J.); the Department of Neurology, Hospital Universitari de Bellvitge, L'Hospitalet de Llobregat (P.C.), and the Department of Neurology, Hospital Clínic de Barcelona (A.R.), Barcelona, the Department of Radiology, Hospital Universitario Central de Asturias, Oviedo (E.L.-C., P.V.), the Department of Neurology Hospital Germans Trias i Pujol, Badalona (M. Millán), Hospital Clínico Universitario de Valladolid, Valladolid (J.F. Arenillas), and the Department of Neurology, Hospital Universitario Cruces, Baracaldo (M.M.F.) - all in Spain; and the Department of Neurology, University of Southern California (N.S.), and the Department of Neurology, UCLA (D.S.L.) - both in Los Angeles.; Albucher JF; From the Department of Neuroradiology, Hôpital Gui de Chauliac, Montpellier (V.C.), the Departments of Neurology (J.F. Albucher) and Neuroradiology (C. Cognard), Hôpital Pierre Paul Riquet, and Toulouse Clinical Investigations Centers 1436 (J.F. Albucher, C. Cognard), Toulouse, the Departments of Neurology (H.H.) and Neuroradiology (N.N.), Hôpital Salengro, and the Department of Biostatistics, Centre Hospitalier Universitaire (CHU) Lille (A.D., J.L.), Lille, the Department of Neuroradiology, Hôpital central, L'unité d'Imagerie Adaptative Diagnostique et Interventionnelle, INSERM Unité 1254 (B. Gory), and the Department of Neurology, Hôpital central, Centre d'investigation clinique Plurithématique 1433, INSERM Unité 1116 (S.R.), Nancy, the Departments of Neuroradiology (G.M.) and Neurology (I.S.), Hôpital Pellegrin, Bordeaux, the Department of Neuroradiology, Hôpital Foch, Suresnes (F.D.M.), the Departments of Neurology (M.A.) and Neuroradiology (G.B.), Hôpital Bretonneau, Tours, the Departments of Neurology (M.O.) and Neuroradiology (M.P.), Hôpital Fondation Adolphe de Rothschild, the Departments of Neurology (G.T.) and Neuroradiology (O.N.), Groupe Hospitalier Universitaire Paris, Centre Hospitalier Sainte-Anne, INSERM Unité 1266, the Departments of Neuroradiology (F.C.) and Neurology (S.A.), Hôpital La Pitié-Salpêtrière, Assistance Publique-Hôpitaux de Paris (AP-HP), the Departments of Neuroradiology (L. Spelle) and Neurology (C.D.), Hôpital Bicêtre, AP-HP, the Departments of Neurology (M. Mazighi) and Neuroradiology (E.H.), Hôpital Lariboisière AP-HP, and INSERM Unité 1266 (C.A.), Paris, the Department of Neuroradiology, Nantes Université, CHU Nantes (R.B.), INSERM Unité Mixte de Recherche 1087, Centre National de la Recherche Scientifique, University of Nantes, L'institut du Thorax (R.B.), and Clinique Neurologique, Hôpital G.R. Laennec CHU Nantes (B. Guillon), Nantes, the Departments of Neurology (S.G.) and Neuroradiology (A.P.-P.), CHU d'Angers, Angers, the Departments of Neuroradiology (O.F.E.) and Neurology (T.-H.C.), Hospices Civils de Lyon, Groupement Hospitalier Est Hôpital Pierre Wertheimer, Lyon, the Departments of Neuroradiology (S.V.) and Neurology (M.L.), CHU Poitiers, Site de La Milétrie, Poitiers, the Stroke Unit (L. Suissa) and the Department of Neuroradiology (H.B.), Assistance Publique-Hôpitaux de Marseille, Hôpital de la Timone, Marseille, the Departments of Neuroradiology (J.-C.G.) and Neurology (S.T.), Centre Hospitalier Régional Universitaire (CHRU) Brest, Hôpital de la Cavale Blanche, Brest, the Departments of Neurology (C.L.) and Neuroradiology (C. Chivot), CHU Amiens-Picardie, Amiens, the Departments of Neurology (F.M.-M.) and Neuroradiology (C.M.), CHU Limoges, Dupuytren, Limoges, the Departments of Neurology (O.O.-W.) and Neuroradiology (C.P.), CHU Rouen, Rouen, the Departments of Neurology (V.W.) and Neuroradiology (R.P.), CHRU Strasbourg, Hôpitaux Universitaires de Strasbourg, Hôpital de Hautepierre, Strasbourg, the Departments of Neurology (A.F.) and Neuroradiology (E.C.), CHU Clermont-Ferrand, Hôpital Gabriel Montpied, Clermont-Ferrand, the Departments of Neuroradiology (F.R.) and Neurology (Y.B.), CHU Dijon-Bourgogne, Hôpital François Mitterrand, Dijon, and the Department of Neurology, Hôpital Foch, Suresnes (B.L.), and the Department of Neurology, Hôpital Gui de Chauliac, Montpellier (C.A.) - all in France; Cooper Neurological Institute and Cooper Medical School of Rowan University, Camden, NJ (T.G.J.); the Department of Neurology, Hospital Universitari de Bellvitge, L'Hospitalet de Llobregat (P.C.), and the Department of Neurology, Hospital Clínic de Barcelona (A.R.), Barcelona, the Department of Radiology, Hospital Universitario Central de Asturias, Oviedo (E.L.-C., P.V.), the Department of Neurology Hospital Germans Trias i Pujol, Badalona (M. Millán), Hospital Clínico Universitario de Valladolid, Valladolid (J.F. Arenillas), and the Department of Neurology, Hospital Universitario Cruces, Baracaldo (M.M.F.) - all in Spain; and the Department of Neurology, University of Southern California (N.S.), and the Department of Neurology, UCLA (D.S.L.) - both in Los Angeles.; Cognard C; From the Department of Neuroradiology, Hôpital Gui de Chauliac, Montpellier (V.C.), the Departments of Neurology (J.F. Albucher) and Neuroradiology (C. Cognard), Hôpital Pierre Paul Riquet, and Toulouse Clinical Investigations Centers 1436 (J.F. Albucher, C. Cognard), Toulouse, the Departments of Neurology (H.H.) and Neuroradiology (N.N.), Hôpital Salengro, and the Department of Biostatistics, Centre Hospitalier Universitaire (CHU) Lille (A.D., J.L.), Lille, the Department of Neuroradiology, Hôpital central, L'unité d'Imagerie Adaptative Diagnostique et Interventionnelle, INSERM Unité 1254 (B. Gory), and the Department of Neurology, Hôpital central, Centre d'investigation clinique Plurithématique 1433, INSERM Unité 1116 (S.R.), Nancy, the Departments of Neuroradiology (G.M.) and Neurology (I.S.), Hôpital Pellegrin, Bordeaux, the Department of Neuroradiology, Hôpital Foch, Suresnes (F.D.M.), the Departments of Neurology (M.A.) and Neuroradiology (G.B.), Hôpital Bretonneau, Tours, the Departments of Neurology (M.O.) and Neuroradiology (M.P.), Hôpital Fondation Adolphe de Rothschild, the Departments of Neurology (G.T.) and Neuroradiology (O.N.), Groupe Hospitalier Universitaire Paris, Centre Hospitalier Sainte-Anne, INSERM Unité 1266, the Departments of Neuroradiology (F.C.) and Neurology (S.A.), Hôpital La Pitié-Salpêtrière, Assistance Publique-Hôpitaux de Paris (AP-HP), the Departments of Neuroradiology (L. Spelle) and Neurology (C.D.), Hôpital Bicêtre, AP-HP, the Departments of Neurology (M. Mazighi) and Neuroradiology (E.H.), Hôpital Lariboisière AP-HP, and INSERM Unité 1266 (C.A.), Paris, the Department of Neuroradiology, Nantes Université, CHU Nantes (R.B.), INSERM Unité Mixte de Recherche 1087, Centre National de la Recherche Scientifique, University of Nantes, L'institut du Thorax (R.B.), and Clinique Neurologique, Hôpital G.R. Laennec CHU Nantes (B. Guillon), Nantes, the Departments of Neurology (S.G.) and Neuroradiology (A.P.-P.), CHU d'Angers, Angers, the Departments of Neuroradiology (O.F.E.) and Neurology (T.-H.C.), Hospices Civils de Lyon, Groupement Hospitalier Est Hôpital Pierre Wertheimer, Lyon, the Departments of Neuroradiology (S.V.) and Neurology (M.L.), CHU Poitiers, Site de La Milétrie, Poitiers, the Stroke Unit (L. Suissa) and the Department of Neuroradiology (H.B.), Assistance Publique-Hôpitaux de Marseille, Hôpital de la Timone, Marseille, the Departments of Neuroradiology (J.-C.G.) and Neurology (S.T.), Centre Hospitalier Régional Universitaire (CHRU) Brest, Hôpital de la Cavale Blanche, Brest, the Departments of Neurology (C.L.) and Neuroradiology (C. Chivot), CHU Amiens-Picardie, Amiens, the Departments of Neurology (F.M.-M.) and Neuroradiology (C.M.), CHU Limoges, Dupuytren, Limoges, the Departments of Neurology (O.O.-W.) and Neuroradiology (C.P.), CHU Rouen, Rouen, the Departments of Neurology (V.W.) and Neuroradiology (R.P.), CHRU Strasbourg, Hôpitaux Universitaires de Strasbourg, Hôpital de Hautepierre, Strasbourg, the Departments of Neurology (A.F.) and Neuroradiology (E.C.), CHU Clermont-Ferrand, Hôpital Gabriel Montpied, Clermont-Ferrand, the Departments of Neuroradiology (F.R.) and Neurology (Y.B.), CHU Dijon-Bourgogne, Hôpital François Mitterrand, Dijon, and the Department of Neurology, Hôpital Foch, Suresnes (B.L.), and the Department of Neurology, Hôpital Gui de Chauliac, Montpellier (C.A.) - all in France; Cooper Neurological Institute and Cooper Medical School of Rowan University, Camden, NJ (T.G.J.); the Department of Neurology, Hospital Universitari de Bellvitge, L'Hospitalet de Llobregat (P.C.), and the Department of Neurology, Hospital Clínic de Barcelona (A.R.), Barcelona, the Department of Radiology, Hospital Universitario Central de Asturias, Oviedo (E.L.-C., P.V.), the Department of Neurology Hospital Germans Trias i Pujol, Badalona (M. Millán), Hospital Clínico Universitario de Valladolid, Valladolid (J.F. Arenillas), and the Department of Neurology, Hospital Universitario Cruces, Baracaldo (M.M.F.) - all in Spain; and the Department of Neurology, University of Southern California (N.S.), and the Department of Neurology, UCLA (D.S.L.) - both in Los Angeles.; Henon H; From the Department of Neuroradiology, Hôpital Gui de Chauliac, Montpellier (V.C.), the Departments of Neurology (J.F. Albucher) and Neuroradiology (C. Cognard), Hôpital Pierre Paul Riquet, and Toulouse Clinical Investigations Centers 1436 (J.F. Albucher, C. Cognard), Toulouse, the Departments of Neurology (H.H.) and Neuroradiology (N.N.), Hôpital Salengro, and the Department of Biostatistics, Centre Hospitalier Universitaire (CHU) Lille (A.D., J.L.), Lille, the Department of Neuroradiology, Hôpital central, L'unité d'Imagerie Adaptative Diagnostique et Interventionnelle, INSERM Unité 1254 (B. Gory), and the Department of Neurology, Hôpital central, Centre d'investigation clinique Plurithématique 1433, INSERM Unité 1116 (S.R.), Nancy, the Departments of Neuroradiology (G.M.) and Neurology (I.S.), Hôpital Pellegrin, Bordeaux, the Department of Neuroradiology, Hôpital Foch, Suresnes (F.D.M.), the Departments of Neurology (M.A.) and Neuroradiology (G.B.), Hôpital Bretonneau, Tours, the Departments of Neurology (M.O.) and Neuroradiology (M.P.), Hôpital Fondation Adolphe de Rothschild, the Departments of Neurology (G.T.) and Neuroradiology (O.N.), Groupe Hospitalier Universitaire Paris, Centre Hospitalier Sainte-Anne, INSERM Unité 1266, the Departments of Neuroradiology (F.C.) and Neurology (S.A.), Hôpital La Pitié-Salpêtrière, Assistance Publique-Hôpitaux de Paris (AP-HP), the Departments of Neuroradiology (L. Spelle) and Neurology (C.D.), Hôpital Bicêtre, AP-HP, the Departments of Neurology (M. Mazighi) and Neuroradiology (E.H.), Hôpital Lariboisière AP-HP, and INSERM Unité 1266 (C.A.), Paris, the Department of Neuroradiology, Nantes Université, CHU Nantes (R.B.), INSERM Unité Mixte de Recherche 1087, Centre National de la Recherche Scientifique, University of Nantes, L'institut du Thorax (R.B.), and Clinique Neurologique, Hôpital G.R. Laennec CHU Nantes (B. Guillon), Nantes, the Departments of Neurology (S.G.) and Neuroradiology (A.P.-P.), CHU d'Angers, Angers, the Departments of Neuroradiology (O.F.E.) and Neurology (T.-H.C.), Hospices Civils de Lyon, Groupement Hospitalier Est Hôpital Pierre Wertheimer, Lyon, the Departments of Neuroradiology (S.V.) and Neurology (M.L.), CHU Poitiers, Site de La Milétrie, Poitiers, the Stroke Unit (L. Suissa) and the Department of Neuroradiology (H.B.), Assistance Publique-Hôpitaux de Marseille, Hôpital de la Timone, Marseille, the Departments of Neuroradiology (J.-C.G.) and Neurology (S.T.), Centre Hospitalier Régional Universitaire (CHRU) Brest, Hôpital de la Cavale Blanche, Brest, the Departments of Neurology (C.L.) and Neuroradiology (C. Chivot), CHU Amiens-Picardie, Amiens, the Departments of Neurology (F.M.-M.) and Neuroradiology (C.M.), CHU Limoges, Dupuytren, Limoges, the Departments of Neurology (O.O.-W.) and Neuroradiology (C.P.), CHU Rouen, Rouen, the Departments of Neurology (V.W.) and Neuroradiology (R.P.), CHRU Strasbourg, Hôpitaux Universitaires de Strasbourg, Hôpital de Hautepierre, Strasbourg, the Departments of Neurology (A.F.) and Neuroradiology (E.C.), CHU Clermont-Ferrand, Hôpital Gabriel Montpied, Clermont-Ferrand, the Departments of Neuroradiology (F.R.) and Neurology (Y.B.), CHU Dijon-Bourgogne, Hôpital François Mitterrand, Dijon, and the Department of Neurology, Hôpital Foch, Suresnes (B.L.), and the Department of Neurology, Hôpital Gui de Chauliac, Montpellier (C.A.) - all in France; Cooper Neurological Institute and Cooper Medical School of Rowan University, Camden, NJ (T.G.J.); the Department of Neurology, Hospital Universitari de Bellvitge, L'Hospitalet de Llobregat (P.C.), and the Department of Neurology, Hospital Clínic de Barcelona (A.R.), Barcelona, the Department of Radiology, Hospital Universitario Central de Asturias, Oviedo (E.L.-C., P.V.), the Department of Neurology Hospital Germans Trias i Pujol, Badalona (M. Millán), Hospital Clínico Universitario de Valladolid, Valladolid (J.F. Arenillas), and the Department of Neurology, Hospital Universitario Cruces, Baracaldo (M.M.F.) - all in Spain; and the Department of Neurology, University of Southern California (N.S.), and the Department of Neurology, UCLA (D.S.L.) - both in Los Angeles.; Nouri N; From the Department of Neuroradiology, Hôpital Gui de Chauliac, Montpellier (V.C.), the Departments of Neurology (J.F. Albucher) and Neuroradiology (C. Cognard), Hôpital Pierre Paul Riquet, and Toulouse Clinical Investigations Centers 1436 (J.F. Albucher, C. Cognard), Toulouse, the Departments of Neurology (H.H.) and Neuroradiology (N.N.), Hôpital Salengro, and the Department of Biostatistics, Centre Hospitalier Universitaire (CHU) Lille (A.D., J.L.), Lille, the Department of Neuroradiology, Hôpital central, L'unité d'Imagerie Adaptative Diagnostique et Interventionnelle, INSERM Unité 1254 (B. Gory), and the Department of Neurology, Hôpital central, Centre d'investigation clinique Plurithématique 1433, INSERM Unité 1116 (S.R.), Nancy, the Departments of Neuroradiology (G.M.) and Neurology (I.S.), Hôpital Pellegrin, Bordeaux, the Department of Neuroradiology, Hôpital Foch, Suresnes (F.D.M.), the Departments of Neurology (M.A.) and Neuroradiology (G.B.), Hôpital Bretonneau, Tours, the Departments of Neurology (M.O.) and Neuroradiology (M.P.), Hôpital Fondation Adolphe de Rothschild, the Departments of Neurology (G.T.) and Neuroradiology (O.N.), Groupe Hospitalier Universitaire Paris, Centre Hospitalier Sainte-Anne, INSERM Unité 1266, the Departments of Neuroradiology (F.C.) and Neurology (S.A.), Hôpital La Pitié-Salpêtrière, Assistance Publique-Hôpitaux de Paris (AP-HP), the Departments of Neuroradiology (L. Spelle) and Neurology (C.D.), Hôpital Bicêtre, AP-HP, the Departments of Neurology (M. Mazighi) and Neuroradiology (E.H.), Hôpital Lariboisière AP-HP, and INSERM Unité 1266 (C.A.), Paris, the Department of Neuroradiology, Nantes Université, CHU Nantes (R.B.), INSERM Unité Mixte de Recherche 1087, Centre National de la Recherche Scientifique, University of Nantes, L'institut du Thorax (R.B.), and Clinique Neurologique, Hôpital G.R. Laennec CHU Nantes (B. Guillon), Nantes, the Departments of Neurology (S.G.) and Neuroradiology (A.P.-P.), CHU d'Angers, Angers, the Departments of Neuroradiology (O.F.E.) and Neurology (T.-H.C.), Hospices Civils de Lyon, Groupement Hospitalier Est Hôpital Pierre Wertheimer, Lyon, the Departments of Neuroradiology (S.V.) and Neurology (M.L.), CHU Poitiers, Site de La Milétrie, Poitiers, the Stroke Unit (L. Suissa) and the Department of Neuroradiology (H.B.), Assistance Publique-Hôpitaux de Marseille, Hôpital de la Timone, Marseille, the Departments of Neuroradiology (J.-C.G.) and Neurology (S.T.), Centre Hospitalier Régional Universitaire (CHRU) Brest, Hôpital de la Cavale Blanche, Brest, the Departments of Neurology (C.L.) and Neuroradiology (C. Chivot), CHU Amiens-Picardie, Amiens, the Departments of Neurology (F.M.-M.) and Neuroradiology (C.M.), CHU Limoges, Dupuytren, Limoges, the Departments of Neurology (O.O.-W.) and Neuroradiology (C.P.), CHU Rouen, Rouen, the Departments of Neurology (V.W.) and Neuroradiology (R.P.), CHRU Strasbourg, Hôpitaux Universitaires de Strasbourg, Hôpital de Hautepierre, Strasbourg, the Departments of Neurology (A.F.) and Neuroradiology (E.C.), CHU Clermont-Ferrand, Hôpital Gabriel Montpied, Clermont-Ferrand, the Departments of Neuroradiology (F.R.) and Neurology (Y.B.), CHU Dijon-Bourgogne, Hôpital François Mitterrand, Dijon, and the Department of Neurology, Hôpital Foch, Suresnes (B.L.), and the Department of Neurology, Hôpital Gui de Chauliac, Montpellier (C.A.) - all in France; Cooper Neurological Institute and Cooper Medical School of Rowan University, Camden, NJ (T.G.J.); the Department of Neurology, Hospital Universitari de Bellvitge, L'Hospitalet de Llobregat (P.C.), and the Department of Neurology, Hospital Clínic de Barcelona (A.R.), Barcelona, the Department of Radiology, Hospital Universitario Central de Asturias, Oviedo (E.L.-C., P.V.), the Department of Neurology Hospital Germans Trias i Pujol, Badalona (M. Millán), Hospital Clínico Universitario de Valladolid, Valladolid (J.F. Arenillas), and the Department of Neurology, Hospital Universitario Cruces, Baracaldo (M.M.F.) - all in Spain; and the Department of Neurology, University of Southern California (N.S.), and the Department of Neurology, UCLA (D.S.L.) - both in Los Angeles.; Gory B; From the Department of Neuroradiology, Hôpital Gui de Chauliac, Montpellier (V.C.), the Departments of Neurology (J.F. Albucher) and Neuroradiology (C. Cognard), Hôpital Pierre Paul Riquet, and Toulouse Clinical Investigations Centers 1436 (J.F. Albucher, C. Cognard), Toulouse, the Departments of Neurology (H.H.) and Neuroradiology (N.N.), Hôpital Salengro, and the Department of Biostatistics, Centre Hospitalier Universitaire (CHU) Lille (A.D., J.L.), Lille, the Department of Neuroradiology, Hôpital central, L'unité d'Imagerie Adaptative Diagnostique et Interventionnelle, INSERM Unité 1254 (B. Gory), and the Department of Neurology, Hôpital central, Centre d'investigation clinique Plurithématique 1433, INSERM Unité 1116 (S.R.), Nancy, the Departments of Neuroradiology (G.M.) and Neurology (I.S.), Hôpital Pellegrin, Bordeaux, the Department of Neuroradiology, Hôpital Foch, Suresnes (F.D.M.), the Departments of Neurology (M.A.) and Neuroradiology (G.B.), Hôpital Bretonneau, Tours, the Departments of Neurology (M.O.) and Neuroradiology (M.P.), Hôpital Fondation Adolphe de Rothschild, the Departments of Neurology (G.T.) and Neuroradiology (O.N.), Groupe Hospitalier Universitaire Paris, Centre Hospitalier Sainte-Anne, INSERM Unité 1266, the Departments of Neuroradiology (F.C.) and Neurology (S.A.), Hôpital La Pitié-Salpêtrière, Assistance Publique-Hôpitaux de Paris (AP-HP), the Departments of Neuroradiology (L. Spelle) and Neurology (C.D.), Hôpital Bicêtre, AP-HP, the Departments of Neurology (M. Mazighi) and Neuroradiology (E.H.), Hôpital Lariboisière AP-HP, and INSERM Unité 1266 (C.A.), Paris, the Department of Neuroradiology, Nantes Université, CHU Nantes (R.B.), INSERM Unité Mixte de Recherche 1087, Centre National de la Recherche Scientifique, University of Nantes, L'institut du Thorax (R.B.), and Clinique Neurologique, Hôpital G.R. Laennec CHU Nantes (B. Guillon), Nantes, the Departments of Neurology (S.G.) and Neuroradiology (A.P.-P.), CHU d'Angers, Angers, the Departments of Neuroradiology (O.F.E.) and Neurology (T.-H.C.), Hospices Civils de Lyon, Groupement Hospitalier Est Hôpital Pierre Wertheimer, Lyon, the Departments of Neuroradiology (S.V.) and Neurology (M.L.), CHU Poitiers, Site de La Milétrie, Poitiers, the Stroke Unit (L. Suissa) and the Department of Neuroradiology (H.B.), Assistance Publique-Hôpitaux de Marseille, Hôpital de la Timone, Marseille, the Departments of Neuroradiology (J.-C.G.) and Neurology (S.T.), Centre Hospitalier Régional Universitaire (CHRU) Brest, Hôpital de la Cavale Blanche, Brest, the Departments of Neurology (C.L.) and Neuroradiology (C. Chivot), CHU Amiens-Picardie, Amiens, the Departments of Neurology (F.M.-M.) and Neuroradiology (C.M.), CHU Limoges, Dupuytren, Limoges, the Departments of Neurology (O.O.-W.) and Neuroradiology (C.P.), CHU Rouen, Rouen, the Departments of Neurology (V.W.) and Neuroradiology (R.P.), CHRU Strasbourg, Hôpitaux Universitaires de Strasbourg, Hôpital de Hautepierre, Strasbourg, the Departments of Neurology (A.F.) and Neuroradiology (E.C.), CHU Clermont-Ferrand, Hôpital Gabriel Montpied, Clermont-Ferrand, the Departments of Neuroradiology (F.R.) and Neurology (Y.B.), CHU Dijon-Bourgogne, Hôpital François Mitterrand, Dijon, and the Department of Neurology, Hôpital Foch, Suresnes (B.L.), and the Department of Neurology, Hôpital Gui de Chauliac, Montpellier (C.A.) - all in France; Cooper Neurological Institute and Cooper Medical School of Rowan University, Camden, NJ (T.G.J.); the Department of Neurology, Hospital Universitari de Bellvitge, L'Hospitalet de Llobregat (P.C.), and the Department of Neurology, Hospital Clínic de Barcelona (A.R.), Barcelona, the Department of Radiology, Hospital Universitario Central de Asturias, Oviedo (E.L.-C., P.V.), the Department of Neurology Hospital Germans Trias i Pujol, Badalona (M. Millán), Hospital Clínico Universitario de Valladolid, Valladolid (J.F. Arenillas), and the Department of Neurology, Hospital Universitario Cruces, Baracaldo (M.M.F.) - all in Spain; and the Department of Neurology, University of Southern California (N.S.), and the Department of Neurology, UCLA (D.S.L.) - both in Los Angeles.; Richard S; From the Department of Neuroradiology, Hôpital Gui de Chauliac, Montpellier (V.C.), the Departments of Neurology (J.F. Albucher) and Neuroradiology (C. Cognard), Hôpital Pierre Paul Riquet, and Toulouse Clinical Investigations Centers 1436 (J.F. Albucher, C. Cognard), Toulouse, the Departments of Neurology (H.H.) and Neuroradiology (N.N.), Hôpital Salengro, and the Department of Biostatistics, Centre Hospitalier Universitaire (CHU) Lille (A.D., J.L.), Lille, the Department of Neuroradiology, Hôpital central, L'unité d'Imagerie Adaptative Diagnostique et Interventionnelle, INSERM Unité 1254 (B. Gory), and the Department of Neurology, Hôpital central, Centre d'investigation clinique Plurithématique 1433, INSERM Unité 1116 (S.R.), Nancy, the Departments of Neuroradiology (G.M.) and Neurology (I.S.), Hôpital Pellegrin, Bordeaux, the Department of Neuroradiology, Hôpital Foch, Suresnes (F.D.M.), the Departments of Neurology (M.A.) and Neuroradiology (G.B.), Hôpital Bretonneau, Tours, the Departments of Neurology (M.O.) and Neuroradiology (M.P.), Hôpital Fondation Adolphe de Rothschild, the Departments of Neurology (G.T.) and Neuroradiology (O.N.), Groupe Hospitalier Universitaire Paris, Centre Hospitalier Sainte-Anne, INSERM Unité 1266, the Departments of Neuroradiology (F.C.) and Neurology (S.A.), Hôpital La Pitié-Salpêtrière, Assistance Publique-Hôpitaux de Paris (AP-HP), the Departments of Neuroradiology (L. Spelle) and Neurology (C.D.), Hôpital Bicêtre, AP-HP, the Departments of Neurology (M. Mazighi) and Neuroradiology (E.H.), Hôpital Lariboisière AP-HP, and INSERM Unité 1266 (C.A.), Paris, the Department of Neuroradiology, Nantes Université, CHU Nantes (R.B.), INSERM Unité Mixte de Recherche 1087, Centre National de la Recherche Scientifique, University of Nantes, L'institut du Thorax (R.B.), and Clinique Neurologique, Hôpital G.R. Laennec CHU Nantes (B. Guillon), Nantes, the Departments of Neurology (S.G.) and Neuroradiology (A.P.-P.), CHU d'Angers, Angers, the Departments of Neuroradiology (O.F.E.) and Neurology (T.-H.C.), Hospices Civils de Lyon, Groupement Hospitalier Est Hôpital Pierre Wertheimer, Lyon, the Departments of Neuroradiology (S.V.) and Neurology (M.L.), CHU Poitiers, Site de La Milétrie, Poitiers, the Stroke Unit (L. Suissa) and the Department of Neuroradiology (H.B.), Assistance Publique-Hôpitaux de Marseille, Hôpital de la Timone, Marseille, the Departments of Neuroradiology (J.-C.G.) and Neurology (S.T.), Centre Hospitalier Régional Universitaire (CHRU) Brest, Hôpital de la Cavale Blanche, Brest, the Departments of Neurology (C.L.) and Neuroradiology (C. Chivot), CHU Amiens-Picardie, Amiens, the Departments of Neurology (F.M.-M.) and Neuroradiology (C.M.), CHU Limoges, Dupuytren, Limoges, the Departments of Neurology (O.O.-W.) and Neuroradiology (C.P.), CHU Rouen, Rouen, the Departments of Neurology (V.W.) and Neuroradiology (R.P.), CHRU Strasbourg, Hôpitaux Universitaires de Strasbourg, Hôpital de Hautepierre, Strasbourg, the Departments of Neurology (A.F.) and Neuroradiology (E.C.), CHU Clermont-Ferrand, Hôpital Gabriel Montpied, Clermont-Ferrand, the Departments of Neuroradiology (F.R.) and Neurology (Y.B.), CHU Dijon-Bourgogne, Hôpital François Mitterrand, Dijon, and the Department of Neurology, Hôpital Foch, Suresnes (B.L.), and the Department of Neurology, Hôpital Gui de Chauliac, Montpellier (C.A.) - all in France; Cooper Neurological Institute and Cooper Medical School of Rowan University, Camden, NJ (T.G.J.); the Department of Neurology, Hospital Universitari de Bellvitge, L'Hospitalet de Llobregat (P.C.), and the Department of Neurology, Hospital Clínic de Barcelona (A.R.), Barcelona, the Department of Radiology, Hospital Universitario Central de Asturias, Oviedo (E.L.-C., P.V.), the Department of Neurology Hospital Germans Trias i Pujol, Badalona (M. Millán), Hospital Clínico Universitario de Valladolid, Valladolid (J.F. Arenillas), and the Department of Neurology, Hospital Universitario Cruces, Baracaldo (M.M.F.) - all in Spain; and the Department of Neurology, University of Southern California (N.S.), and the Department of Neurology, UCLA (D.S.L.) - both in Los Angeles.; Marnat G; From the Department of Neuroradiology, Hôpital Gui de Chauliac, Montpellier (V.C.), the Departments of Neurology (J.F. Albucher) and Neuroradiology (C. Cognard), Hôpital Pierre Paul Riquet, and Toulouse Clinical Investigations Centers 1436 (J.F. Albucher, C. Cognard), Toulouse, the Departments of Neurology (H.H.) and Neuroradiology (N.N.), Hôpital Salengro, and the Department of Biostatistics, Centre Hospitalier Universitaire (CHU) Lille (A.D., J.L.), Lille, the Department of Neuroradiology, Hôpital central, L'unité d'Imagerie Adaptative Diagnostique et Interventionnelle, INSERM Unité 1254 (B. Gory), and the Department of Neurology, Hôpital central, Centre d'investigation clinique Plurithématique 1433, INSERM Unité 1116 (S.R.), Nancy, the Departments of Neuroradiology (G.M.) and Neurology (I.S.), Hôpital Pellegrin, Bordeaux, the Department of Neuroradiology, Hôpital Foch, Suresnes (F.D.M.), the Departments of Neurology (M.A.) and Neuroradiology (G.B.), Hôpital Bretonneau, Tours, the Departments of Neurology (M.O.) and Neuroradiology (M.P.), Hôpital Fondation Adolphe de Rothschild, the Departments of Neurology (G.T.) and Neuroradiology (O.N.), Groupe Hospitalier Universitaire Paris, Centre Hospitalier Sainte-Anne, INSERM Unité 1266, the Departments of Neuroradiology (F.C.) and Neurology (S.A.), Hôpital La Pitié-Salpêtrière, Assistance Publique-Hôpitaux de Paris (AP-HP), the Departments of Neuroradiology (L. Spelle) and Neurology (C.D.), Hôpital Bicêtre, AP-HP, the Departments of Neurology (M. Mazighi) and Neuroradiology (E.H.), Hôpital Lariboisière AP-HP, and INSERM Unité 1266 (C.A.), Paris, the Department of Neuroradiology, Nantes Université, CHU Nantes (R.B.), INSERM Unité Mixte de Recherche 1087, Centre National de la Recherche Scientifique, University of Nantes, L'institut du Thorax (R.B.), and Clinique Neurologique, Hôpital G.R. Laennec CHU Nantes (B. Guillon), Nantes, the Departments of Neurology (S.G.) and Neuroradiology (A.P.-P.), CHU d'Angers, Angers, the Departments of Neuroradiology (O.F.E.) and Neurology (T.-H.C.), Hospices Civils de Lyon, Groupement Hospitalier Est Hôpital Pierre Wertheimer, Lyon, the Departments of Neuroradiology (S.V.) and Neurology (M.L.), CHU Poitiers, Site de La Milétrie, Poitiers, the Stroke Unit (L. Suissa) and the Department of Neuroradiology (H.B.), Assistance Publique-Hôpitaux de Marseille, Hôpital de la Timone, Marseille, the Departments of Neuroradiology (J.-C.G.) and Neurology (S.T.), Centre Hospitalier Régional Universitaire (CHRU) Brest, Hôpital de la Cavale Blanche, Brest, the Departments of Neurology (C.L.) and Neuroradiology (C. Chivot), CHU Amiens-Picardie, Amiens, the Departments of Neurology (F.M.-M.) and Neuroradiology (C.M.), CHU Limoges, Dupuytren, Limoges, the Departments of Neurology (O.O.-W.) and Neuroradiology (C.P.), CHU Rouen, Rouen, the Departments of Neurology (V.W.) and Neuroradiology (R.P.), CHRU Strasbourg, Hôpitaux Universitaires de Strasbourg, Hôpital de Hautepierre, Strasbourg, the Departments of Neurology (A.F.) and Neuroradiology (E.C.), CHU Clermont-Ferrand, Hôpital Gabriel Montpied, Clermont-Ferrand, the Departments of Neuroradiology (F.R.) and Neurology (Y.B.), CHU Dijon-Bourgogne, Hôpital François Mitterrand, Dijon, and the Department of Neurology, Hôpital Foch, Suresnes (B.L.), and the Department of Neurology, Hôpital Gui de Chauliac, Montpellier (C.A.) - all in France; Cooper Neurological Institute and Cooper Medical School of Rowan University, Camden, NJ (T.G.J.); the Department of Neurology, Hospital Universitari de Bellvitge, L'Hospitalet de Llobregat (P.C.), and the Department of Neurology, Hospital Clínic de Barcelona (A.R.), Barcelona, the Department of Radiology, Hospital Universitario Central de Asturias, Oviedo (E.L.-C., P.V.), the Department of Neurology Hospital Germans Trias i Pujol, Badalona (M. Millán), Hospital Clínico Universitario de Valladolid, Valladolid (J.F. Arenillas), and the Department of Neurology, Hospital Universitario Cruces, Baracaldo (M.M.F.) - all in Spain; and the Department of Neurology, University of Southern California (N.S.), and the Department of Neurology, UCLA (D.S.L.) - both in Los Angeles.; Sibon I; From the Department of Neuroradiology, Hôpital Gui de Chauliac, Montpellier (V.C.), the Departments of Neurology (J.F. Albucher) and Neuroradiology (C. Cognard), Hôpital Pierre Paul Riquet, and Toulouse Clinical Investigations Centers 1436 (J.F. Albucher, C. Cognard), Toulouse, the Departments of Neurology (H.H.) and Neuroradiology (N.N.), Hôpital Salengro, and the Department of Biostatistics, Centre Hospitalier Universitaire (CHU) Lille (A.D., J.L.), Lille, the Department of Neuroradiology, Hôpital central, L'unité d'Imagerie Adaptative Diagnostique et Interventionnelle, INSERM Unité 1254 (B. Gory), and the Department of Neurology, Hôpital central, Centre d'investigation clinique Plurithématique 1433, INSERM Unité 1116 (S.R.), Nancy, the Departments of Neuroradiology (G.M.) and Neurology (I.S.), Hôpital Pellegrin, Bordeaux, the Department of Neuroradiology, Hôpital Foch, Suresnes (F.D.M.), the Departments of Neurology (M.A.) and Neuroradiology (G.B.), Hôpital Bretonneau, Tours, the Departments of Neurology (M.O.) and Neuroradiology (M.P.), Hôpital Fondation Adolphe de Rothschild, the Departments of Neurology (G.T.) and Neuroradiology (O.N.), Groupe Hospitalier Universitaire Paris, Centre Hospitalier Sainte-Anne, INSERM Unité 1266, the Departments of Neuroradiology (F.C.) and Neurology (S.A.), Hôpital La Pitié-Salpêtrière, Assistance Publique-Hôpitaux de Paris (AP-HP), the Departments of Neuroradiology (L. Spelle) and Neurology (C.D.), Hôpital Bicêtre, AP-HP, the Departments of Neurology (M. Mazighi) and Neuroradiology (E.H.), Hôpital Lariboisière AP-HP, and INSERM Unité 1266 (C.A.), Paris, the Department of Neuroradiology, Nantes Université, CHU Nantes (R.B.), INSERM Unité Mixte de Recherche 1087, Centre National de la Recherche Scientifique, University of Nantes, L'institut du Thorax (R.B.), and Clinique Neurologique, Hôpital G.R. Laennec CHU Nantes (B. Guillon), Nantes, the Departments of Neurology (S.G.) and Neuroradiology (A.P.-P.), CHU d'Angers, Angers, the Departments of Neuroradiology (O.F.E.) and Neurology (T.-H.C.), Hospices Civils de Lyon, Groupement Hospitalier Est Hôpital Pierre Wertheimer, Lyon, the Departments of Neuroradiology (S.V.) and Neurology (M.L.), CHU Poitiers, Site de La Milétrie, Poitiers, the Stroke Unit (L. Suissa) and the Department of Neuroradiology (H.B.), Assistance Publique-Hôpitaux de Marseille, Hôpital de la Timone, Marseille, the Departments of Neuroradiology (J.-C.G.) and Neurology (S.T.), Centre Hospitalier Régional Universitaire (CHRU) Brest, Hôpital de la Cavale Blanche, Brest, the Departments of Neurology (C.L.) and Neuroradiology (C. Chivot), CHU Amiens-Picardie, Amiens, the Departments of Neurology (F.M.-M.) and Neuroradiology (C.M.), CHU Limoges, Dupuytren, Limoges, the Departments of Neurology (O.O.-W.) and Neuroradiology (C.P.), CHU Rouen, Rouen, the Departments of Neurology (V.W.) and Neuroradiology (R.P.), CHRU Strasbourg, Hôpitaux Universitaires de Strasbourg, Hôpital de Hautepierre, Strasbourg, the Departments of Neurology (A.F.) and Neuroradiology (E.C.), CHU Clermont-Ferrand, Hôpital Gabriel Montpied, Clermont-Ferrand, the Departments of Neuroradiology (F.R.) and Neurology (Y.B.), CHU Dijon-Bourgogne, Hôpital François Mitterrand, Dijon, and the Department of Neurology, Hôpital Foch, Suresnes (B.L.), and the Department of Neurology, Hôpital Gui de Chauliac, Montpellier (C.A.) - all in France; Cooper Neurological Institute and Cooper Medical School of Rowan University, Camden, NJ (T.G.J.); the Department of Neurology, Hospital Universitari de Bellvitge, L'Hospitalet de Llobregat (P.C.), and the Department of Neurology, Hospital Clínic de Barcelona (A.R.), Barcelona, the Department of Radiology, Hospital Universitario Central de Asturias, Oviedo (E.L.-C., P.V.), the Department of Neurology Hospital Germans Trias i Pujol, Badalona (M. Millán), Hospital Clínico Universitario de Valladolid, Valladolid (J.F. Arenillas), and the Department of Neurology, Hospital Universitario Cruces, Baracaldo (M.M.F.) - all in Spain; and the Department of Neurology, University of Southern California (N.S.), and the Department of Neurology, UCLA (D.S.L.) - both in Los Angeles.; Di Maria F; From the Department of Neuroradiology, Hôpital Gui de Chauliac, Montpellier (V.C.), the Departments of Neurology (J.F. Albucher) and Neuroradiology (C. Cognard), Hôpital Pierre Paul Riquet, and Toulouse Clinical Investigations Centers 1436 (J.F. Albucher, C. Cognard), Toulouse, the Departments of Neurology (H.H.) and Neuroradiology (N.N.), Hôpital Salengro, and the Department of Biostatistics, Centre Hospitalier Universitaire (CHU) Lille (A.D., J.L.), Lille, the Department of Neuroradiology, Hôpital central, L'unité d'Imagerie Adaptative Diagnostique et Interventionnelle, INSERM Unité 1254 (B. Gory), and the Department of Neurology, Hôpital central, Centre d'investigation clinique Plurithématique 1433, INSERM Unité 1116 (S.R.), Nancy, the Departments of Neuroradiology (G.M.) and Neurology (I.S.), Hôpital Pellegrin, Bordeaux, the Department of Neuroradiology, Hôpital Foch, Suresnes (F.D.M.), the Departments of Neurology (M.A.) and Neuroradiology (G.B.), Hôpital Bretonneau, Tours, the Departments of Neurology (M.O.) and Neuroradiology (M.P.), Hôpital Fondation Adolphe de Rothschild, the Departments of Neurology (G.T.) and Neuroradiology (O.N.), Groupe Hospitalier Universitaire Paris, Centre Hospitalier Sainte-Anne, INSERM Unité 1266, the Departments of Neuroradiology (F.C.) and Neurology (S.A.), Hôpital La Pitié-Salpêtrière, Assistance Publique-Hôpitaux de Paris (AP-HP), the Departments of Neuroradiology (L. Spelle) and Neurology (C.D.), Hôpital Bicêtre, AP-HP, the Departments of Neurology (M. Mazighi) and Neuroradiology (E.H.), Hôpital Lariboisière AP-HP, and INSERM Unité 1266 (C.A.), Paris, the Department of Neuroradiology, Nantes Université, CHU Nantes (R.B.), INSERM Unité Mixte de Recherche 1087, Centre National de la Recherche Scientifique, University of Nantes, L'institut du Thorax (R.B.), and Clinique Neurologique, Hôpital G.R. Laennec CHU Nantes (B. Guillon), Nantes, the Departments of Neurology (S.G.) and Neuroradiology (A.P.-P.), CHU d'Angers, Angers, the Departments of Neuroradiology (O.F.E.) and Neurology (T.-H.C.), Hospices Civils de Lyon, Groupement Hospitalier Est Hôpital Pierre Wertheimer, Lyon, the Departments of Neuroradiology (S.V.) and Neurology (M.L.), CHU Poitiers, Site de La Milétrie, Poitiers, the Stroke Unit (L. Suissa) and the Department of Neuroradiology (H.B.), Assistance Publique-Hôpitaux de Marseille, Hôpital de la Timone, Marseille, the Departments of Neuroradiology (J.-C.G.) and Neurology (S.T.), Centre Hospitalier Régional Universitaire (CHRU) Brest, Hôpital de la Cavale Blanche, Brest, the Departments of Neurology (C.L.) and Neuroradiology (C. Chivot), CHU Amiens-Picardie, Amiens, the Departments of Neurology (F.M.-M.) and Neuroradiology (C.M.), CHU Limoges, Dupuytren, Limoges, the Departments of Neurology (O.O.-W.) and Neuroradiology (C.P.), CHU Rouen, Rouen, the Departments of Neurology (V.W.) and Neuroradiology (R.P.), CHRU Strasbourg, Hôpitaux Universitaires de Strasbourg, Hôpital de Hautepierre, Strasbourg, the Departments of Neurology (A.F.) and Neuroradiology (E.C.), CHU Clermont-Ferrand, Hôpital Gabriel Montpied, Clermont-Ferrand, the Departments of Neuroradiology (F.R.) and Neurology (Y.B.), CHU Dijon-Bourgogne, Hôpital François Mitterrand, Dijon, and the Department of Neurology, Hôpital Foch, Suresnes (B.L.), and the Department of Neurology, Hôpital Gui de Chauliac, Montpellier (C.A.) - all in France; Cooper Neurological Institute and Cooper Medical School of Rowan University, Camden, NJ (T.G.J.); the Department of Neurology, Hospital Universitari de Bellvitge, L'Hospitalet de Llobregat (P.C.), and the Department of Neurology, Hospital Clínic de Barcelona (A.R.), Barcelona, the Department of Radiology, Hospital Universitario Central de Asturias, Oviedo (E.L.-C., P.V.), the Department of Neurology Hospital Germans Trias i Pujol, Badalona (M. Millán), Hospital Clínico Universitario de Valladolid, Valladolid (J.F. Arenillas), and the Department of Neurology, Hospital Universitario Cruces, Baracaldo (M.M.F.) - all in Spain; and the Department of Neurology, University of Southern California (N.S.), and the Department of Neurology, UCLA (D.S.L.) - both in Los Angeles.; Annan M; From the Department of Neuroradiology, Hôpital Gui de Chauliac, Montpellier (V.C.), the Departments of Neurology (J.F. Albucher) and Neuroradiology (C. Cognard), Hôpital Pierre Paul Riquet, and Toulouse Clinical Investigations Centers 1436 (J.F. Albucher, C. Cognard), Toulouse, the Departments of Neurology (H.H.) and Neuroradiology (N.N.), Hôpital Salengro, and the Department of Biostatistics, Centre Hospitalier Universitaire (CHU) Lille (A.D., J.L.), Lille, the Department of Neuroradiology, Hôpital central, L'unité d'Imagerie Adaptative Diagnostique et Interventionnelle, INSERM Unité 1254 (B. Gory), and the Department of Neurology, Hôpital central, Centre d'investigation clinique Plurithématique 1433, INSERM Unité 1116 (S.R.), Nancy, the Departments of Neuroradiology (G.M.) and Neurology (I.S.), Hôpital Pellegrin, Bordeaux, the Department of Neuroradiology, Hôpital Foch, Suresnes (F.D.M.), the Departments of Neurology (M.A.) and Neuroradiology (G.B.), Hôpital Bretonneau, Tours, the Departments of Neurology (M.O.) and Neuroradiology (M.P.), Hôpital Fondation Adolphe de Rothschild, the Departments of Neurology (G.T.) and Neuroradiology (O.N.), Groupe Hospitalier Universitaire Paris, Centre Hospitalier Sainte-Anne, INSERM Unité 1266, the Departments of Neuroradiology (F.C.) and Neurology (S.A.), Hôpital La Pitié-Salpêtrière, Assistance Publique-Hôpitaux de Paris (AP-HP), the Departments of Neuroradiology (L. Spelle) and Neurology (C.D.), Hôpital Bicêtre, AP-HP, the Departments of Neurology (M. Mazighi) and Neuroradiology (E.H.), Hôpital Lariboisière AP-HP, and INSERM Unité 1266 (C.A.), Paris, the Department of Neuroradiology, Nantes Université, CHU Nantes (R.B.), INSERM Unité Mixte de Recherche 1087, Centre National de la Recherche Scientifique, University of Nantes, L'institut du Thorax (R.B.), and Clinique Neurologique, Hôpital G.R. Laennec CHU Nantes (B. Guillon), Nantes, the Departments of Neurology (S.G.) and Neuroradiology (A.P.-P.), CHU d'Angers, Angers, the Departments of Neuroradiology (O.F.E.) and Neurology (T.-H.C.), Hospices Civils de Lyon, Groupement Hospitalier Est Hôpital Pierre Wertheimer, Lyon, the Departments of Neuroradiology (S.V.) and Neurology (M.L.), CHU Poitiers, Site de La Milétrie, Poitiers, the Stroke Unit (L. Suissa) and the Department of Neuroradiology (H.B.), Assistance Publique-Hôpitaux de Marseille, Hôpital de la Timone, Marseille, the Departments of Neuroradiology (J.-C.G.) and Neurology (S.T.), Centre Hospitalier Régional Universitaire (CHRU) Brest, Hôpital de la Cavale Blanche, Brest, the Departments of Neurology (C.L.) and Neuroradiology (C. Chivot), CHU Amiens-Picardie, Amiens, the Departments of Neurology (F.M.-M.) and Neuroradiology (C.M.), CHU Limoges, Dupuytren, Limoges, the Departments of Neurology (O.O.-W.) and Neuroradiology (C.P.), CHU Rouen, Rouen, the Departments of Neurology (V.W.) and Neuroradiology (R.P.), CHRU Strasbourg, Hôpitaux Universitaires de Strasbourg, Hôpital de Hautepierre, Strasbourg, the Departments of Neurology (A.F.) and Neuroradiology (E.C.), CHU Clermont-Ferrand, Hôpital Gabriel Montpied, Clermont-Ferrand, the Departments of Neuroradiology (F.R.) and Neurology (Y.B.), CHU Dijon-Bourgogne, Hôpital François Mitterrand, Dijon, and the Department of Neurology, Hôpital Foch, Suresnes (B.L.), and the Department of Neurology, Hôpital Gui de Chauliac, Montpellier (C.A.) - all in France; Cooper Neurological Institute and Cooper Medical School of Rowan University, Camden, NJ (T.G.J.); the Department of Neurology, Hospital Universitari de Bellvitge, L'Hospitalet de Llobregat (P.C.), and the Department of Neurology, Hospital Clínic de Barcelona (A.R.), Barcelona, the Department of Radiology, Hospital Universitario Central de Asturias, Oviedo (E.L.-C., P.V.), the Department of Neurology Hospital Germans Trias i Pujol, Badalona (M. Millán), Hospital Clínico Universitario de Valladolid, Valladolid (J.F. Arenillas), and the Department of Neurology, Hospital Universitario Cruces, Baracaldo (M.M.F.) - all in Spain; and the Department of Neurology, University of Southern California (N.S.), and the Department of Neurology, UCLA (D.S.L.) - both in Los Angeles.; Boulouis G; From the Department of Neuroradiology, Hôpital Gui de Chauliac, Montpellier (V.C.), the Departments of Neurology (J.F. Albucher) and Neuroradiology (C. Cognard), Hôpital Pierre Paul Riquet, and Toulouse Clinical Investigations Centers 1436 (J.F. Albucher, C. Cognard), Toulouse, the Departments of Neurology (H.H.) and Neuroradiology (N.N.), Hôpital Salengro, and the Department of Biostatistics, Centre Hospitalier Universitaire (CHU) Lille (A.D., J.L.), Lille, the Department of Neuroradiology, Hôpital central, L'unité d'Imagerie Adaptative Diagnostique et Interventionnelle, INSERM Unité 1254 (B. Gory), and the Department of Neurology, Hôpital central, Centre d'investigation clinique Plurithématique 1433, INSERM Unité 1116 (S.R.), Nancy, the Departments of Neuroradiology (G.M.) and Neurology (I.S.), Hôpital Pellegrin, Bordeaux, the Department of Neuroradiology, Hôpital Foch, Suresnes (F.D.M.), the Departments of Neurology (M.A.) and Neuroradiology (G.B.), Hôpital Bretonneau, Tours, the Departments of Neurology (M.O.) and Neuroradiology (M.P.), Hôpital Fondation Adolphe de Rothschild, the Departments of Neurology (G.T.) and Neuroradiology (O.N.), Groupe Hospitalier Universitaire Paris, Centre Hospitalier Sainte-Anne, INSERM Unité 1266, the Departments of Neuroradiology (F.C.) and Neurology (S.A.), Hôpital La Pitié-Salpêtrière, Assistance Publique-Hôpitaux de Paris (AP-HP), the Departments of Neuroradiology (L. Spelle) and Neurology (C.D.), Hôpital Bicêtre, AP-HP, the Departments of Neurology (M. Mazighi) and Neuroradiology (E.H.), Hôpital Lariboisière AP-HP, and INSERM Unité 1266 (C.A.), Paris, the Department of Neuroradiology, Nantes Université, CHU Nantes (R.B.), INSERM Unité Mixte de Recherche 1087, Centre National de la Recherche Scientifique, University of Nantes, L'institut du Thorax (R.B.), and Clinique Neurologique, Hôpital G.R. Laennec CHU Nantes (B. Guillon), Nantes, the Departments of Neurology (S.G.) and Neuroradiology (A.P.-P.), CHU d'Angers, Angers, the Departments of Neuroradiology (O.F.E.) and Neurology (T.-H.C.), Hospices Civils de Lyon, Groupement Hospitalier Est Hôpital Pierre Wertheimer, Lyon, the Departments of Neuroradiology (S.V.) and Neurology (M.L.), CHU Poitiers, Site de La Milétrie, Poitiers, the Stroke Unit (L. Suissa) and the Department of Neuroradiology (H.B.), Assistance Publique-Hôpitaux de Marseille, Hôpital de la Timone, Marseille, the Departments of Neuroradiology (J.-C.G.) and Neurology (S.T.), Centre Hospitalier Régional Universitaire (CHRU) Brest, Hôpital de la Cavale Blanche, Brest, the Departments of Neurology (C.L.) and Neuroradiology (C. Chivot), CHU Amiens-Picardie, Amiens, the Departments of Neurology (F.M.-M.) and Neuroradiology (C.M.), CHU Limoges, Dupuytren, Limoges, the Departments of Neurology (O.O.-W.) and Neuroradiology (C.P.), CHU Rouen, Rouen, the Departments of Neurology (V.W.) and Neuroradiology (R.P.), CHRU Strasbourg, Hôpitaux Universitaires de Strasbourg, Hôpital de Hautepierre, Strasbourg, the Departments of Neurology (A.F.) and Neuroradiology (E.C.), CHU Clermont-Ferrand, Hôpital Gabriel Montpied, Clermont-Ferrand, the Departments of Neuroradiology (F.R.) and Neurology (Y.B.), CHU Dijon-Bourgogne, Hôpital François Mitterrand, Dijon, and the Department of Neurology, Hôpital Foch, Suresnes (B.L.), and the Department of Neurology, Hôpital Gui de Chauliac, Montpellier (C.A.) - all in France; Cooper Neurological Institute and Cooper Medical School of Rowan University, Camden, NJ (T.G.J.); the Department of Neurology, Hospital Universitari de Bellvitge, L'Hospitalet de Llobregat (P.C.), and the Department of Neurology, Hospital Clínic de Barcelona (A.R.), Barcelona, the Department of Radiology, Hospital Universitario Central de Asturias, Oviedo (E.L.-C., P.V.), the Department of Neurology Hospital Germans Trias i Pujol, Badalona (M. Millán), Hospital Clínico Universitario de Valladolid, Valladolid (J.F. Arenillas), and the Department of Neurology, Hospital Universitario Cruces, Baracaldo (M.M.F.) - all in Spain; and the Department of Neurology, University of Southern California (N.S.), and the Department of Neurology, UCLA (D.S.L.) - both in Los Angeles.; Cardona P; From the Department of Neuroradiology, Hôpital Gui de Chauliac, Montpellier (V.C.), the Departments of Neurology (J.F. Albucher) and Neuroradiology (C. Cognard), Hôpital Pierre Paul Riquet, and Toulouse Clinical Investigations Centers 1436 (J.F. Albucher, C. Cognard), Toulouse, the Departments of Neurology (H.H.) and Neuroradiology (N.N.), Hôpital Salengro, and the Department of Biostatistics, Centre Hospitalier Universitaire (CHU) Lille (A.D., J.L.), Lille, the Department of Neuroradiology, Hôpital central, L'unité d'Imagerie Adaptative Diagnostique et Interventionnelle, INSERM Unité 1254 (B. Gory), and the Department of Neurology, Hôpital central, Centre d'investigation clinique Plurithématique 1433, INSERM Unité 1116 (S.R.), Nancy, the Departments of Neuroradiology (G.M.) and Neurology (I.S.), Hôpital Pellegrin, Bordeaux, the Department of Neuroradiology, Hôpital Foch, Suresnes (F.D.M.), the Departments of Neurology (M.A.) and Neuroradiology (G.B.), Hôpital Bretonneau, Tours, the Departments of Neurology (M.O.) and Neuroradiology (M.P.), Hôpital Fondation Adolphe de Rothschild, the Departments of Neurology (G.T.) and Neuroradiology (O.N.), Groupe Hospitalier Universitaire Paris, Centre Hospitalier Sainte-Anne, INSERM Unité 1266, the Departments of Neuroradiology (F.C.) and Neurology (S.A.), Hôpital La Pitié-Salpêtrière, Assistance Publique-Hôpitaux de Paris (AP-HP), the Departments of Neuroradiology (L. Spelle) and Neurology (C.D.), Hôpital Bicêtre, AP-HP, the Departments of Neurology (M. Mazighi) and Neuroradiology (E.H.), Hôpital Lariboisière AP-HP, and INSERM Unité 1266 (C.A.), Paris, the Department of Neuroradiology, Nantes Université, CHU Nantes (R.B.), INSERM Unité Mixte de Recherche 1087, Centre National de la Recherche Scientifique, University of Nantes, L'institut du Thorax (R.B.), and Clinique Neurologique, Hôpital G.R. Laennec CHU Nantes (B. Guillon), Nantes, the Departments of Neurology (S.G.) and Neuroradiology (A.P.-P.), CHU d'Angers, Angers, the Departments of Neuroradiology (O.F.E.) and Neurology (T.-H.C.), Hospices Civils de Lyon, Groupement Hospitalier Est Hôpital Pierre Wertheimer, Lyon, the Departments of Neuroradiology (S.V.) and Neurology (M.L.), CHU Poitiers, Site de La Milétrie, Poitiers, the Stroke Unit (L. Suissa) and the Department of Neuroradiology (H.B.), Assistance Publique-Hôpitaux de Marseille, Hôpital de la Timone, Marseille, the Departments of Neuroradiology (J.-C.G.) and Neurology (S.T.), Centre Hospitalier Régional Universitaire (CHRU) Brest, Hôpital de la Cavale Blanche, Brest, the Departments of Neurology (C.L.) and Neuroradiology (C. Chivot), CHU Amiens-Picardie, Amiens, the Departments of Neurology (F.M.-M.) and Neuroradiology (C.M.), CHU Limoges, Dupuytren, Limoges, the Departments of Neurology (O.O.-W.) and Neuroradiology (C.P.), CHU Rouen, Rouen, the Departments of Neurology (V.W.) and Neuroradiology (R.P.), CHRU Strasbourg, Hôpitaux Universitaires de Strasbourg, Hôpital de Hautepierre, Strasbourg, the Departments of Neurology (A.F.) and Neuroradiology (E.C.), CHU Clermont-Ferrand, Hôpital Gabriel Montpied, Clermont-Ferrand, the Departments of Neuroradiology (F.R.) and Neurology (Y.B.), CHU Dijon-Bourgogne, Hôpital François Mitterrand, Dijon, and the Department of Neurology, Hôpital Foch, Suresnes (B.L.), and the Department of Neurology, Hôpital Gui de Chauliac, Montpellier (C.A.) - all in France; Cooper Neurological Institute and Cooper Medical School of Rowan University, Camden, NJ (T.G.J.); the Department of Neurology, Hospital Universitari de Bellvitge, L'Hospitalet de Llobregat (P.C.), and the Department of Neurology, Hospital Clínic de Barcelona (A.R.), Barcelona, the Department of Radiology, Hospital Universitario Central de Asturias, Oviedo (E.L.-C., P.V.), the Department of Neurology Hospital Germans Trias i Pujol, Badalona (M. Millán), Hospital Clínico Universitario de Valladolid, Valladolid (J.F. Arenillas), and the Department of Neurology, Hospital Universitario Cruces, Baracaldo (M.M.F.) - all in Spain; and the Department of Neurology, University of Southern California (N.S.), and the Department of Neurology, UCLA (D.S.L.) - both in Los Angeles.; Obadia M; From the Department of Neuroradiology, Hôpital Gui de Chauliac, Montpellier (V.C.), the Departments of Neurology (J.F. Albucher) and Neuroradiology (C. Cognard), Hôpital Pierre Paul Riquet, and Toulouse Clinical Investigations Centers 1436 (J.F. Albucher, C. Cognard), Toulouse, the Departments of Neurology (H.H.) and Neuroradiology (N.N.), Hôpital Salengro, and the Department of Biostatistics, Centre Hospitalier Universitaire (CHU) Lille (A.D., J.L.), Lille, the Department of Neuroradiology, Hôpital central, L'unité d'Imagerie Adaptative Diagnostique et Interventionnelle, INSERM Unité 1254 (B. Gory), and the Department of Neurology, Hôpital central, Centre d'investigation clinique Plurithématique 1433, INSERM Unité 1116 (S.R.), Nancy, the Departments of Neuroradiology (G.M.) and Neurology (I.S.), Hôpital Pellegrin, Bordeaux, the Department of Neuroradiology, Hôpital Foch, Suresnes (F.D.M.), the Departments of Neurology (M.A.) and Neuroradiology (G.B.), Hôpital Bretonneau, Tours, the Departments of Neurology (M.O.) and Neuroradiology (M.P.), Hôpital Fondation Adolphe de Rothschild, the Departments of Neurology (G.T.) and Neuroradiology (O.N.), Groupe Hospitalier Universitaire Paris, Centre Hospitalier Sainte-Anne, INSERM Unité 1266, the Departments of Neuroradiology (F.C.) and Neurology (S.A.), Hôpital La Pitié-Salpêtrière, Assistance Publique-Hôpitaux de Paris (AP-HP), the Departments of Neuroradiology (L. Spelle) and Neurology (C.D.), Hôpital Bicêtre, AP-HP, the Departments of Neurology (M. Mazighi) and Neuroradiology (E.H.), Hôpital Lariboisière AP-HP, and INSERM Unité 1266 (C.A.), Paris, the Department of Neuroradiology, Nantes Université, CHU Nantes (R.B.), INSERM Unité Mixte de Recherche 1087, Centre National de la Recherche Scientifique, University of Nantes, L'institut du Thorax (R.B.), and Clinique Neurologique, Hôpital G.R. Laennec CHU Nantes (B. Guillon), Nantes, the Departments of Neurology (S.G.) and Neuroradiology (A.P.-P.), CHU d'Angers, Angers, the Departments of Neuroradiology (O.F.E.) and Neurology (T.-H.C.), Hospices Civils de Lyon, Groupement Hospitalier Est Hôpital Pierre Wertheimer, Lyon, the Departments of Neuroradiology (S.V.) and Neurology (M.L.), CHU Poitiers, Site de La Milétrie, Poitiers, the Stroke Unit (L. Suissa) and the Department of Neuroradiology (H.B.), Assistance Publique-Hôpitaux de Marseille, Hôpital de la Timone, Marseille, the Departments of Neuroradiology (J.-C.G.) and Neurology (S.T.), Centre Hospitalier Régional Universitaire (CHRU) Brest, Hôpital de la Cavale Blanche, Brest, the Departments of Neurology (C.L.) and Neuroradiology (C. Chivot), CHU Amiens-Picardie, Amiens, the Departments of Neurology (F.M.-M.) and Neuroradiology (C.M.), CHU Limoges, Dupuytren, Limoges, the Departments of Neurology (O.O.-W.) and Neuroradiology (C.P.), CHU Rouen, Rouen, the Departments of Neurology (V.W.) and Neuroradiology (R.P.), CHRU Strasbourg, Hôpitaux Universitaires de Strasbourg, Hôpital de Hautepierre, Strasbourg, the Departments of Neurology (A.F.) and Neuroradiology (E.C.), CHU Clermont-Ferrand, Hôpital Gabriel Montpied, Clermont-Ferrand, the Departments of Neuroradiology (F.R.) and Neurology (Y.B.), CHU Dijon-Bourgogne, Hôpital François Mitterrand, Dijon, and the Department of Neurology, Hôpital Foch, Suresnes (B.L.), and the Department of Neurology, Hôpital Gui de Chauliac, Montpellier (C.A.) - all in France; Cooper Neurological Institute and Cooper Medical School of Rowan University, Camden, NJ (T.G.J.); the Department of Neurology, Hospital Universitari de Bellvitge, L'Hospitalet de Llobregat (P.C.), and the Department of Neurology, Hospital Clínic de Barcelona (A.R.), Barcelona, the Department of Radiology, Hospital Universitario Central de Asturias, Oviedo (E.L.-C., P.V.), the Department of Neurology Hospital Germans Trias i Pujol, Badalona (M. Millán), Hospital Clínico Universitario de Valladolid, Valladolid (J.F. Arenillas), and the Department of Neurology, Hospital Universitario Cruces, Baracaldo (M.M.F.) - all in Spain; and the Department of Neurology, University of Southern California (N.S.), and the Department of Neurology, UCLA (D.S.L.) - both in Los Angeles.; Piotin M; From the Department of Neuroradiology, Hôpital Gui de Chauliac, Montpellier (V.C.), the Departments of Neurology (J.F. Albucher) and Neuroradiology (C. Cognard), Hôpital Pierre Paul Riquet, and Toulouse Clinical Investigations Centers 1436 (J.F. Albucher, C. Cognard), Toulouse, the Departments of Neurology (H.H.) and Neuroradiology (N.N.), Hôpital Salengro, and the Department of Biostatistics, Centre Hospitalier Universitaire (CHU) Lille (A.D., J.L.), Lille, the Department of Neuroradiology, Hôpital central, L'unité d'Imagerie Adaptative Diagnostique et Interventionnelle, INSERM Unité 1254 (B. Gory), and the Department of Neurology, Hôpital central, Centre d'investigation clinique Plurithématique 1433, INSERM Unité 1116 (S.R.), Nancy, the Departments of Neuroradiology (G.M.) and Neurology (I.S.), Hôpital Pellegrin, Bordeaux, the Department of Neuroradiology, Hôpital Foch, Suresnes (F.D.M.), the Departments of Neurology (M.A.) and Neuroradiology (G.B.), Hôpital Bretonneau, Tours, the Departments of Neurology (M.O.) and Neuroradiology (M.P.), Hôpital Fondation Adolphe de Rothschild, the Departments of Neurology (G.T.) and Neuroradiology (O.N.), Groupe Hospitalier Universitaire Paris, Centre Hospitalier Sainte-Anne, INSERM Unité 1266, the Departments of Neuroradiology (F.C.) and Neurology (S.A.), Hôpital La Pitié-Salpêtrière, Assistance Publique-Hôpitaux de Paris (AP-HP), the Departments of Neuroradiology (L. Spelle) and Neurology (C.D.), Hôpital Bicêtre, AP-HP, the Departments of Neurology (M. Mazighi) and Neuroradiology (E.H.), Hôpital Lariboisière AP-HP, and INSERM Unité 1266 (C.A.), Paris, the Department of Neuroradiology, Nantes Université, CHU Nantes (R.B.), INSERM Unité Mixte de Recherche 1087, Centre National de la Recherche Scientifique, University of Nantes, L'institut du Thorax (R.B.), and Clinique Neurologique, Hôpital G.R. Laennec CHU Nantes (B. Guillon), Nantes, the Departments of Neurology (S.G.) and Neuroradiology (A.P.-P.), CHU d'Angers, Angers, the Departments of Neuroradiology (O.F.E.) and Neurology (T.-H.C.), Hospices Civils de Lyon, Groupement Hospitalier Est Hôpital Pierre Wertheimer, Lyon, the Departments of Neuroradiology (S.V.) and Neurology (M.L.), CHU Poitiers, Site de La Milétrie, Poitiers, the Stroke Unit (L. Suissa) and the Department of Neuroradiology (H.B.), Assistance Publique-Hôpitaux de Marseille, Hôpital de la Timone, Marseille, the Departments of Neuroradiology (J.-C.G.) and Neurology (S.T.), Centre Hospitalier Régional Universitaire (CHRU) Brest, Hôpital de la Cavale Blanche, Brest, the Departments of Neurology (C.L.) and Neuroradiology (C. Chivot), CHU Amiens-Picardie, Amiens, the Departments of Neurology (F.M.-M.) and Neuroradiology (C.M.), CHU Limoges, Dupuytren, Limoges, the Departments of Neurology (O.O.-W.) and Neuroradiology (C.P.), CHU Rouen, Rouen, the Departments of Neurology (V.W.) and Neuroradiology (R.P.), CHRU Strasbourg, Hôpitaux Universitaires de Strasbourg, Hôpital de Hautepierre, Strasbourg, the Departments of Neurology (A.F.) and Neuroradiology (E.C.), CHU Clermont-Ferrand, Hôpital Gabriel Montpied, Clermont-Ferrand, the Departments of Neuroradiology (F.R.) and Neurology (Y.B.), CHU Dijon-Bourgogne, Hôpital François Mitterrand, Dijon, and the Department of Neurology, Hôpital Foch, Suresnes (B.L.), and the Department of Neurology, Hôpital Gui de Chauliac, Montpellier (C.A.) - all in France; Cooper Neurological Institute and Cooper Medical School of Rowan University, Camden, NJ (T.G.J.); the Department of Neurology, Hospital Universitari de Bellvitge, L'Hospitalet de Llobregat (P.C.), and the Department of Neurology, Hospital Clínic de Barcelona (A.R.), Barcelona, the Department of Radiology, Hospital Universitario Central de Asturias, Oviedo (E.L.-C., P.V.), the Department of Neurology Hospital Germans Trias i Pujol, Badalona (M. Millán), Hospital Clínico Universitario de Valladolid, Valladolid (J.F. Arenillas), and the Department of Neurology, Hospital Universitario Cruces, Baracaldo (M.M.F.) - all in Spain; and the Department of Neurology, University of Southern California (N.S.), and the Department of Neurology, UCLA (D.S.L.) - both in Los Angeles.; Bourcier R; From the Department of Neuroradiology, Hôpital Gui de Chauliac, Montpellier (V.C.), the Departments of Neurology (J.F. Albucher) and Neuroradiology (C. Cognard), Hôpital Pierre Paul Riquet, and Toulouse Clinical Investigations Centers 1436 (J.F. Albucher, C. Cognard), Toulouse, the Departments of Neurology (H.H.) and Neuroradiology (N.N.), Hôpital Salengro, and the Department of Biostatistics, Centre Hospitalier Universitaire (CHU) Lille (A.D., J.L.), Lille, the Department of Neuroradiology, Hôpital central, L'unité d'Imagerie Adaptative Diagnostique et Interventionnelle, INSERM Unité 1254 (B. Gory), and the Department of Neurology, Hôpital central, Centre d'investigation clinique Plurithématique 1433, INSERM Unité 1116 (S.R.), Nancy, the Departments of Neuroradiology (G.M.) and Neurology (I.S.), Hôpital Pellegrin, Bordeaux, the Department of Neuroradiology, Hôpital Foch, Suresnes (F.D.M.), the Departments of Neurology (M.A.) and Neuroradiology (G.B.), Hôpital Bretonneau, Tours, the Departments of Neurology (M.O.) and Neuroradiology (M.P.), Hôpital Fondation Adolphe de Rothschild, the Departments of Neurology (G.T.) and Neuroradiology (O.N.), Groupe Hospitalier Universitaire Paris, Centre Hospitalier Sainte-Anne, INSERM Unité 1266, the Departments of Neuroradiology (F.C.) and Neurology (S.A.), Hôpital La Pitié-Salpêtrière, Assistance Publique-Hôpitaux de Paris (AP-HP), the Departments of Neuroradiology (L. Spelle) and Neurology (C.D.), Hôpital Bicêtre, AP-HP, the Departments of Neurology (M. Mazighi) and Neuroradiology (E.H.), Hôpital Lariboisière AP-HP, and INSERM Unité 1266 (C.A.), Paris, the Department of Neuroradiology, Nantes Université, CHU Nantes (R.B.), INSERM Unité Mixte de Recherche 1087, Centre National de la Recherche Scientifique, University of Nantes, L'institut du Thorax (R.B.), and Clinique Neurologique, Hôpital G.R. Laennec CHU Nantes (B. Guillon), Nantes, the Departments of Neurology (S.G.) and Neuroradiology (A.P.-P.), CHU d'Angers, Angers, the Departments of Neuroradiology (O.F.E.) and Neurology (T.-H.C.), Hospices Civils de Lyon, Groupement Hospitalier Est Hôpital Pierre Wertheimer, Lyon, the Departments of Neuroradiology (S.V.) and Neurology (M.L.), CHU Poitiers, Site de La Milétrie, Poitiers, the Stroke Unit (L. Suissa) and the Department of Neuroradiology (H.B.), Assistance Publique-Hôpitaux de Marseille, Hôpital de la Timone, Marseille, the Departments of Neuroradiology (J.-C.G.) and Neurology (S.T.), Centre Hospitalier Régional Universitaire (CHRU) Brest, Hôpital de la Cavale Blanche, Brest, the Departments of Neurology (C.L.) and Neuroradiology (C. Chivot), CHU Amiens-Picardie, Amiens, the Departments of Neurology (F.M.-M.) and Neuroradiology (C.M.), CHU Limoges, Dupuytren, Limoges, the Departments of Neurology (O.O.-W.) and Neuroradiology (C.P.), CHU Rouen, Rouen, the Departments of Neurology (V.W.) and Neuroradiology (R.P.), CHRU Strasbourg, Hôpitaux Universitaires de Strasbourg, Hôpital de Hautepierre, Strasbourg, the Departments of Neurology (A.F.) and Neuroradiology (E.C.), CHU Clermont-Ferrand, Hôpital Gabriel Montpied, Clermont-Ferrand, the Departments of Neuroradiology (F.R.) and Neurology (Y.B.), CHU Dijon-Bourgogne, Hôpital François Mitterrand, Dijon, and the Department of Neurology, Hôpital Foch, Suresnes (B.L.), and the Department of Neurology, Hôpital Gui de Chauliac, Montpellier (C.A.) - all in France; Cooper Neurological Institute and Cooper Medical School of Rowan University, Camden, NJ (T.G.J.); the Department of Neurology, Hospital Universitari de Bellvitge, L'Hospitalet de Llobregat (P.C.), and the Department of Neurology, Hospital Clínic de Barcelona (A.R.), Barcelona, the Department of Radiology, Hospital Universitario Central de Asturias, Oviedo (E.L.-C., P.V.), the Department of Neurology Hospital Germans Trias i Pujol, Badalona (M. Millán), Hospital Clínico Universitario de Valladolid, Valladolid (J.F. Arenillas), and the Department of Neurology, Hospital Universitario Cruces, Baracaldo (M.M.F.) - all in Spain; and the Department of Neurology, University of Southern California (N.S.), and the Department of Neurology, UCLA (D.S.L.) - both in Los Angeles.; Guillon B; From the Department of Neuroradiology, Hôpital Gui de Chauliac, Montpellier (V.C.), the Departments of Neurology (J.F. Albucher) and Neuroradiology (C. Cognard), Hôpital Pierre Paul Riquet, and Toulouse Clinical Investigations Centers 1436 (J.F. Albucher, C. Cognard), Toulouse, the Departments of Neurology (H.H.) and Neuroradiology (N.N.), Hôpital Salengro, and the Department of Biostatistics, Centre Hospitalier Universitaire (CHU) Lille (A.D., J.L.), Lille, the Department of Neuroradiology, Hôpital central, L'unité d'Imagerie Adaptative Diagnostique et Interventionnelle, INSERM Unité 1254 (B. Gory), and the Department of Neurology, Hôpital central, Centre d'investigation clinique Plurithématique 1433, INSERM Unité 1116 (S.R.), Nancy, the Departments of Neuroradiology (G.M.) and Neurology (I.S.), Hôpital Pellegrin, Bordeaux, the Department of Neuroradiology, Hôpital Foch, Suresnes (F.D.M.), the Departments of Neurology (M.A.) and Neuroradiology (G.B.), Hôpital Bretonneau, Tours, the Departments of Neurology (M.O.) and Neuroradiology (M.P.), Hôpital Fondation Adolphe de Rothschild, the Departments of Neurology (G.T.) and Neuroradiology (O.N.), Groupe Hospitalier Universitaire Paris, Centre Hospitalier Sainte-Anne, INSERM Unité 1266, the Departments of Neuroradiology (F.C.) and Neurology (S.A.), Hôpital La Pitié-Salpêtrière, Assistance Publique-Hôpitaux de Paris (AP-HP), the Departments of Neuroradiology (L. Spelle) and Neurology (C.D.), Hôpital Bicêtre, AP-HP, the Departments of Neurology (M. Mazighi) and Neuroradiology (E.H.), Hôpital Lariboisière AP-HP, and INSERM Unité 1266 (C.A.), Paris, the Department of Neuroradiology, Nantes Université, CHU Nantes (R.B.), INSERM Unité Mixte de Recherche 1087, Centre National de la Recherche Scientifique, University of Nantes, L'institut du Thorax (R.B.), and Clinique Neurologique, Hôpital G.R. Laennec CHU Nantes (B. Guillon), Nantes, the Departments of Neurology (S.G.) and Neuroradiology (A.P.-P.), CHU d'Angers, Angers, the Departments of Neuroradiology (O.F.E.) and Neurology (T.-H.C.), Hospices Civils de Lyon, Groupement Hospitalier Est Hôpital Pierre Wertheimer, Lyon, the Departments of Neuroradiology (S.V.) and Neurology (M.L.), CHU Poitiers, Site de La Milétrie, Poitiers, the Stroke Unit (L. Suissa) and the Department of Neuroradiology (H.B.), Assistance Publique-Hôpitaux de Marseille, Hôpital de la Timone, Marseille, the Departments of Neuroradiology (J.-C.G.) and Neurology (S.T.), Centre Hospitalier Régional Universitaire (CHRU) Brest, Hôpital de la Cavale Blanche, Brest, the Departments of Neurology (C.L.) and Neuroradiology (C. Chivot), CHU Amiens-Picardie, Amiens, the Departments of Neurology (F.M.-M.) and Neuroradiology (C.M.), CHU Limoges, Dupuytren, Limoges, the Departments of Neurology (O.O.-W.) and Neuroradiology (C.P.), CHU Rouen, Rouen, the Departments of Neurology (V.W.) and Neuroradiology (R.P.), CHRU Strasbourg, Hôpitaux Universitaires de Strasbourg, Hôpital de Hautepierre, Strasbourg, the Departments of Neurology (A.F.) and Neuroradiology (E.C.), CHU Clermont-Ferrand, Hôpital Gabriel Montpied, Clermont-Ferrand, the Departments of Neuroradiology (F.R.) and Neurology (Y.B.), CHU Dijon-Bourgogne, Hôpital François Mitterrand, Dijon, and the Department of Neurology, Hôpital Foch, Suresnes (B.L.), and the Department of Neurology, Hôpital Gui de Chauliac, Montpellier (C.A.) - all in France; Cooper Neurological Institute and Cooper Medical School of Rowan University, Camden, NJ (T.G.J.); the Department of Neurology, Hospital Universitari de Bellvitge, L'Hospitalet de Llobregat (P.C.), and the Department of Neurology, Hospital Clínic de Barcelona (A.R.), Barcelona, the Department of Radiology, Hospital Universitario Central de Asturias, Oviedo (E.L.-C., P.V.), the Department of Neurology Hospital Germans Trias i Pujol, Badalona (M. Millán), Hospital Clínico Universitario de Valladolid, Valladolid (J.F. Arenillas), and the Department of Neurology, Hospital Universitario Cruces, Baracaldo (M.M.F.) - all in Spain; and the Department of Neurology, University of Southern California (N.S.), and the Department of Neurology, UCLA (D.S.L.) - both in Los Angeles.; Godard S; From the Department of Neuroradiology, Hôpital Gui de Chauliac, Montpellier (V.C.), the Departments of Neurology (J.F. Albucher) and Neuroradiology (C. Cognard), Hôpital Pierre Paul Riquet, and Toulouse Clinical Investigations Centers 1436 (J.F. Albucher, C. Cognard), Toulouse, the Departments of Neurology (H.H.) and Neuroradiology (N.N.), Hôpital Salengro, and the Department of Biostatistics, Centre Hospitalier Universitaire (CHU) Lille (A.D., J.L.), Lille, the Department of Neuroradiology, Hôpital central, L'unité d'Imagerie Adaptative Diagnostique et Interventionnelle, INSERM Unité 1254 (B. Gory), and the Department of Neurology, Hôpital central, Centre d'investigation clinique Plurithématique 1433, INSERM Unité 1116 (S.R.), Nancy, the Departments of Neuroradiology (G.M.) and Neurology (I.S.), Hôpital Pellegrin, Bordeaux, the Department of Neuroradiology, Hôpital Foch, Suresnes (F.D.M.), the Departments of Neurology (M.A.) and Neuroradiology (G.B.), Hôpital Bretonneau, Tours, the Departments of Neurology (M.O.) and Neuroradiology (M.P.), Hôpital Fondation Adolphe de Rothschild, the Departments of Neurology (G.T.) and Neuroradiology (O.N.), Groupe Hospitalier Universitaire Paris, Centre Hospitalier Sainte-Anne, INSERM Unité 1266, the Departments of Neuroradiology (F.C.) and Neurology (S.A.), Hôpital La Pitié-Salpêtrière, Assistance Publique-Hôpitaux de Paris (AP-HP), the Departments of Neuroradiology (L. Spelle) and Neurology (C.D.), Hôpital Bicêtre, AP-HP, the Departments of Neurology (M. Mazighi) and Neuroradiology (E.H.), Hôpital Lariboisière AP-HP, and INSERM Unité 1266 (C.A.), Paris, the Department of Neuroradiology, Nantes Université, CHU Nantes (R.B.), INSERM Unité Mixte de Recherche 1087, Centre National de la Recherche Scientifique, University of Nantes, L'institut du Thorax (R.B.), and Clinique Neurologique, Hôpital G.R. Laennec CHU Nantes (B. Guillon), Nantes, the Departments of Neurology (S.G.) and Neuroradiology (A.P.-P.), CHU d'Angers, Angers, the Departments of Neuroradiology (O.F.E.) and Neurology (T.-H.C.), Hospices Civils de Lyon, Groupement Hospitalier Est Hôpital Pierre Wertheimer, Lyon, the Departments of Neuroradiology (S.V.) and Neurology (M.L.), CHU Poitiers, Site de La Milétrie, Poitiers, the Stroke Unit (L. Suissa) and the Department of Neuroradiology (H.B.), Assistance Publique-Hôpitaux de Marseille, Hôpital de la Timone, Marseille, the Departments of Neuroradiology (J.-C.G.) and Neurology (S.T.), Centre Hospitalier Régional Universitaire (CHRU) Brest, Hôpital de la Cavale Blanche, Brest, the Departments of Neurology (C.L.) and Neuroradiology (C. Chivot), CHU Amiens-Picardie, Amiens, the Departments of Neurology (F.M.-M.) and Neuroradiology (C.M.), CHU Limoges, Dupuytren, Limoges, the Departments of Neurology (O.O.-W.) and Neuroradiology (C.P.), CHU Rouen, Rouen, the Departments of Neurology (V.W.) and Neuroradiology (R.P.), CHRU Strasbourg, Hôpitaux Universitaires de Strasbourg, Hôpital de Hautepierre, Strasbourg, the Departments of Neurology (A.F.) and Neuroradiology (E.C.), CHU Clermont-Ferrand, Hôpital Gabriel Montpied, Clermont-Ferrand, the Departments of Neuroradiology (F.R.) and Neurology (Y.B.), CHU Dijon-Bourgogne, Hôpital François Mitterrand, Dijon, and the Department of Neurology, Hôpital Foch, Suresnes (B.L.), and the Department of Neurology, Hôpital Gui de Chauliac, Montpellier (C.A.) - all in France; Cooper Neurological Institute and Cooper Medical School of Rowan University, Camden, NJ (T.G.J.); the Department of Neurology, Hospital Universitari de Bellvitge, L'Hospitalet de Llobregat (P.C.), and the Department of Neurology, Hospital Clínic de Barcelona (A.R.), Barcelona, the Department of Radiology, Hospital Universitario Central de Asturias, Oviedo (E.L.-C., P.V.), the Department of Neurology Hospital Germans Trias i Pujol, Badalona (M. Millán), Hospital Clínico Universitario de Valladolid, Valladolid (J.F. Arenillas), and the Department of Neurology, Hospital Universitario Cruces, Baracaldo (M.M.F.) - all in Spain; and the Department of Neurology, University of Southern California (N.S.), and the Department of Neurology, UCLA (D.S.L.) - both in Los Angeles.; Pasco-Papon A; From the Department of Neuroradiology, Hôpital Gui de Chauliac, Montpellier (V.C.), the Departments of Neurology (J.F. Albucher) and Neuroradiology (C. Cognard), Hôpital Pierre Paul Riquet, and Toulouse Clinical Investigations Centers 1436 (J.F. Albucher, C. Cognard), Toulouse, the Departments of Neurology (H.H.) and Neuroradiology (N.N.), Hôpital Salengro, and the Department of Biostatistics, Centre Hospitalier Universitaire (CHU) Lille (A.D., J.L.), Lille, the Department of Neuroradiology, Hôpital central, L'unité d'Imagerie Adaptative Diagnostique et Interventionnelle, INSERM Unité 1254 (B. Gory), and the Department of Neurology, Hôpital central, Centre d'investigation clinique Plurithématique 1433, INSERM Unité 1116 (S.R.), Nancy, the Departments of Neuroradiology (G.M.) and Neurology (I.S.), Hôpital Pellegrin, Bordeaux, the Department of Neuroradiology, Hôpital Foch, Suresnes (F.D.M.), the Departments of Neurology (M.A.) and Neuroradiology (G.B.), Hôpital Bretonneau, Tours, the Departments of Neurology (M.O.) and Neuroradiology (M.P.), Hôpital Fondation Adolphe de Rothschild, the Departments of Neurology (G.T.) and Neuroradiology (O.N.), Groupe Hospitalier Universitaire Paris, Centre Hospitalier Sainte-Anne, INSERM Unité 1266, the Departments of Neuroradiology (F.C.) and Neurology (S.A.), Hôpital La Pitié-Salpêtrière, Assistance Publique-Hôpitaux de Paris (AP-HP), the Departments of Neuroradiology (L. Spelle) and Neurology (C.D.), Hôpital Bicêtre, AP-HP, the Departments of Neurology (M. Mazighi) and Neuroradiology (E.H.), Hôpital Lariboisière AP-HP, and INSERM Unité 1266 (C.A.), Paris, the Department of Neuroradiology, Nantes Université, CHU Nantes (R.B.), INSERM Unité Mixte de Recherche 1087, Centre National de la Recherche Scientifique, University of Nantes, L'institut du Thorax (R.B.), and Clinique Neurologique, Hôpital G.R. Laennec CHU Nantes (B. Guillon), Nantes, the Departments of Neurology (S.G.) and Neuroradiology (A.P.-P.), CHU d'Angers, Angers, the Departments of Neuroradiology (O.F.E.) and Neurology (T.-H.C.), Hospices Civils de Lyon, Groupement Hospitalier Est Hôpital Pierre Wertheimer, Lyon, the Departments of Neuroradiology (S.V.) and Neurology (M.L.), CHU Poitiers, Site de La Milétrie, Poitiers, the Stroke Unit (L. Suissa) and the Department of Neuroradiology (H.B.), Assistance Publique-Hôpitaux de Marseille, Hôpital de la Timone, Marseille, the Departments of Neuroradiology (J.-C.G.) and Neurology (S.T.), Centre Hospitalier Régional Universitaire (CHRU) Brest, Hôpital de la Cavale Blanche, Brest, the Departments of Neurology (C.L.) and Neuroradiology (C. Chivot), CHU Amiens-Picardie, Amiens, the Departments of Neurology (F.M.-M.) and Neuroradiology (C.M.), CHU Limoges, Dupuytren, Limoges, the Departments of Neurology (O.O.-W.) and Neuroradiology (C.P.), CHU Rouen, Rouen, the Departments of Neurology (V.W.) and Neuroradiology (R.P.), CHRU Strasbourg, Hôpitaux Universitaires de Strasbourg, Hôpital de Hautepierre, Strasbourg, the Departments of Neurology (A.F.) and Neuroradiology (E.C.), CHU Clermont-Ferrand, Hôpital Gabriel Montpied, Clermont-Ferrand, the Departments of Neuroradiology (F.R.) and Neurology (Y.B.), CHU Dijon-Bourgogne, Hôpital François Mitterrand, Dijon, and the Department of Neurology, Hôpital Foch, Suresnes (B.L.), and the Department of Neurology, Hôpital Gui de Chauliac, Montpellier (C.A.) - all in France; Cooper Neurological Institute and Cooper Medical School of Rowan University, Camden, NJ (T.G.J.); the Department of Neurology, Hospital Universitari de Bellvitge, L'Hospitalet de Llobregat (P.C.), and the Department of Neurology, Hospital Clínic de Barcelona (A.R.), Barcelona, the Department of Radiology, Hospital Universitario Central de Asturias, Oviedo (E.L.-C., P.V.), the Department of Neurology Hospital Germans Trias i Pujol, Badalona (M. Millán), Hospital Clínico Universitario de Valladolid, Valladolid (J.F. Arenillas), and the Department of Neurology, Hospital Universitario Cruces, Baracaldo (M.M.F.) - all in Spain; and the Department of Neurology, University of Southern California (N.S.), and the Department of Neurology, UCLA (D.S.L.) - both in Los Angeles.; Eker OF; From the Department of Neuroradiology, Hôpital Gui de Chauliac, Montpellier (V.C.), the Departments of Neurology (J.F. Albucher) and Neuroradiology (C. Cognard), Hôpital Pierre Paul Riquet, and Toulouse Clinical Investigations Centers 1436 (J.F. Albucher, C. Cognard), Toulouse, the Departments of Neurology (H.H.) and Neuroradiology (N.N.), Hôpital Salengro, and the Department of Biostatistics, Centre Hospitalier Universitaire (CHU) Lille (A.D., J.L.), Lille, the Department of Neuroradiology, Hôpital central, L'unité d'Imagerie Adaptative Diagnostique et Interventionnelle, INSERM Unité 1254 (B. Gory), and the Department of Neurology, Hôpital central, Centre d'investigation clinique Plurithématique 1433, INSERM Unité 1116 (S.R.), Nancy, the Departments of Neuroradiology (G.M.) and Neurology (I.S.), Hôpital Pellegrin, Bordeaux, the Department of Neuroradiology, Hôpital Foch, Suresnes (F.D.M.), the Departments of Neurology (M.A.) and Neuroradiology (G.B.), Hôpital Bretonneau, Tours, the Departments of Neurology (M.O.) and Neuroradiology (M.P.), Hôpital Fondation Adolphe de Rothschild, the Departments of Neurology (G.T.) and Neuroradiology (O.N.), Groupe Hospitalier Universitaire Paris, Centre Hospitalier Sainte-Anne, INSERM Unité 1266, the Departments of Neuroradiology (F.C.) and Neurology (S.A.), Hôpital La Pitié-Salpêtrière, Assistance Publique-Hôpitaux de Paris (AP-HP), the Departments of Neuroradiology (L. Spelle) and Neurology (C.D.), Hôpital Bicêtre, AP-HP, the Departments of Neurology (M. Mazighi) and Neuroradiology (E.H.), Hôpital Lariboisière AP-HP, and INSERM Unité 1266 (C.A.), Paris, the Department of Neuroradiology, Nantes Université, CHU Nantes (R.B.), INSERM Unité Mixte de Recherche 1087, Centre National de la Recherche Scientifique, University of Nantes, L'institut du Thorax (R.B.), and Clinique Neurologique, Hôpital G.R. Laennec CHU Nantes (B. Guillon), Nantes, the Departments of Neurology (S.G.) and Neuroradiology (A.P.-P.), CHU d'Angers, Angers, the Departments of Neuroradiology (O.F.E.) and Neurology (T.-H.C.), Hospices Civils de Lyon, Groupement Hospitalier Est Hôpital Pierre Wertheimer, Lyon, the Departments of Neuroradiology (S.V.) and Neurology (M.L.), CHU Poitiers, Site de La Milétrie, Poitiers, the Stroke Unit (L. Suissa) and the Department of Neuroradiology (H.B.), Assistance Publique-Hôpitaux de Marseille, Hôpital de la Timone, Marseille, the Departments of Neuroradiology (J.-C.G.) and Neurology (S.T.), Centre Hospitalier Régional Universitaire (CHRU) Brest, Hôpital de la Cavale Blanche, Brest, the Departments of Neurology (C.L.) and Neuroradiology (C. Chivot), CHU Amiens-Picardie, Amiens, the Departments of Neurology (F.M.-M.) and Neuroradiology (C.M.), CHU Limoges, Dupuytren, Limoges, the Departments of Neurology (O.O.-W.) and Neuroradiology (C.P.), CHU Rouen, Rouen, the Departments of Neurology (V.W.) and Neuroradiology (R.P.), CHRU Strasbourg, Hôpitaux Universitaires de Strasbourg, Hôpital de Hautepierre, Strasbourg, the Departments of Neurology (A.F.) and Neuroradiology (E.C.), CHU Clermont-Ferrand, Hôpital Gabriel Montpied, Clermont-Ferrand, the Departments of Neuroradiology (F.R.) and Neurology (Y.B.), CHU Dijon-Bourgogne, Hôpital François Mitterrand, Dijon, and the Department of Neurology, Hôpital Foch, Suresnes (B.L.), and the Department of Neurology, Hôpital Gui de Chauliac, Montpellier (C.A.) - all in France; Cooper Neurological Institute and Cooper Medical School of Rowan University, Camden, NJ (T.G.J.); the Department of Neurology, Hospital Universitari de Bellvitge, L'Hospitalet de Llobregat (P.C.), and the Department of Neurology, Hospital Clínic de Barcelona (A.R.), Barcelona, the Department of Radiology, Hospital Universitario Central de Asturias, Oviedo (E.L.-C., P.V.), the Department of Neurology Hospital Germans Trias i Pujol, Badalona (M. Millán), Hospital Clínico Universitario de Valladolid, Valladolid (J.F. Arenillas), and the Department of Neurology, Hospital Universitario Cruces, Baracaldo (M.M.F.) - all in Spain; and the Department of Neurology, University of Southern California (N.S.), and the Department of Neurology, UCLA (D.S.L.) - both in Los Angeles.; Cho TH; From the Department of Neuroradiology, Hôpital Gui de Chauliac, Montpellier (V.C.), the Departments of Neurology (J.F. Albucher) and Neuroradiology (C. Cognard), Hôpital Pierre Paul Riquet, and Toulouse Clinical Investigations Centers 1436 (J.F. Albucher, C. Cognard), Toulouse, the Departments of Neurology (H.H.) and Neuroradiology (N.N.), Hôpital Salengro, and the Department of Biostatistics, Centre Hospitalier Universitaire (CHU) Lille (A.D., J.L.), Lille, the Department of Neuroradiology, Hôpital central, L'unité d'Imagerie Adaptative Diagnostique et Interventionnelle, INSERM Unité 1254 (B. Gory), and the Department of Neurology, Hôpital central, Centre d'investigation clinique Plurithématique 1433, INSERM Unité 1116 (S.R.), Nancy, the Departments of Neuroradiology (G.M.) and Neurology (I.S.), Hôpital Pellegrin, Bordeaux, the Department of Neuroradiology, Hôpital Foch, Suresnes (F.D.M.), the Departments of Neurology (M.A.) and Neuroradiology (G.B.), Hôpital Bretonneau, Tours, the Departments of Neurology (M.O.) and Neuroradiology (M.P.), Hôpital Fondation Adolphe de Rothschild, the Departments of Neurology (G.T.) and Neuroradiology (O.N.), Groupe Hospitalier Universitaire Paris, Centre Hospitalier Sainte-Anne, INSERM Unité 1266, the Departments of Neuroradiology (F.C.) and Neurology (S.A.), Hôpital La Pitié-Salpêtrière, Assistance Publique-Hôpitaux de Paris (AP-HP), the Departments of Neuroradiology (L. Spelle) and Neurology (C.D.), Hôpital Bicêtre, AP-HP, the Departments of Neurology (M. Mazighi) and Neuroradiology (E.H.), Hôpital Lariboisière AP-HP, and INSERM Unité 1266 (C.A.), Paris, the Department of Neuroradiology, Nantes Université, CHU Nantes (R.B.), INSERM Unité Mixte de Recherche 1087, Centre National de la Recherche Scientifique, University of Nantes, L'institut du Thorax (R.B.), and Clinique Neurologique, Hôpital G.R. Laennec CHU Nantes (B. Guillon), Nantes, the Departments of Neurology (S.G.) and Neuroradiology (A.P.-P.), CHU d'Angers, Angers, the Departments of Neuroradiology (O.F.E.) and Neurology (T.-H.C.), Hospices Civils de Lyon, Groupement Hospitalier Est Hôpital Pierre Wertheimer, Lyon, the Departments of Neuroradiology (S.V.) and Neurology (M.L.), CHU Poitiers, Site de La Milétrie, Poitiers, the Stroke Unit (L. Suissa) and the Department of Neuroradiology (H.B.), Assistance Publique-Hôpitaux de Marseille, Hôpital de la Timone, Marseille, the Departments of Neuroradiology (J.-C.G.) and Neurology (S.T.), Centre Hospitalier Régional Universitaire (CHRU) Brest, Hôpital de la Cavale Blanche, Brest, the Departments of Neurology (C.L.) and Neuroradiology (C. Chivot), CHU Amiens-Picardie, Amiens, the Departments of Neurology (F.M.-M.) and Neuroradiology (C.M.), CHU Limoges, Dupuytren, Limoges, the Departments of Neurology (O.O.-W.) and Neuroradiology (C.P.), CHU Rouen, Rouen, the Departments of Neurology (V.W.) and Neuroradiology (R.P.), CHRU Strasbourg, Hôpitaux Universitaires de Strasbourg, Hôpital de Hautepierre, Strasbourg, the Departments of Neurology (A.F.) and Neuroradiology (E.C.), CHU Clermont-Ferrand, Hôpital Gabriel Montpied, Clermont-Ferrand, the Departments of Neuroradiology (F.R.) and Neurology (Y.B.), CHU Dijon-Bourgogne, Hôpital François Mitterrand, Dijon, and the Department of Neurology, Hôpital Foch, Suresnes (B.L.), and the Department of Neurology, Hôpital Gui de Chauliac, Montpellier (C.A.) - all in France; Cooper Neurological Institute and Cooper Medical School of Rowan University, Camden, NJ (T.G.J.); the Department of Neurology, Hospital Universitari de Bellvitge, L'Hospitalet de Llobregat (P.C.), and the Department of Neurology, Hospital Clínic de Barcelona (A.R.), Barcelona, the Department of Radiology, Hospital Universitario Central de Asturias, Oviedo (E.L.-C., P.V.), the Department of Neurology Hospital Germans Trias i Pujol, Badalona (M. Millán), Hospital Clínico Universitario de Valladolid, Valladolid (J.F. Arenillas), and the Department of Neurology, Hospital Universitario Cruces, Baracaldo (M.M.F.) - all in Spain; and the Department of Neurology, University of Southern California (N.S.), and the Department of Neurology, UCLA (D.S.L.) - both in Los Angeles.; Turc G; From the Department of Neuroradiology, Hôpital Gui de Chauliac, Montpellier (V.C.), the Departments of Neurology (J.F. Albucher) and Neuroradiology (C. Cognard), Hôpital Pierre Paul Riquet, and Toulouse Clinical Investigations Centers 1436 (J.F. Albucher, C. Cognard), Toulouse, the Departments of Neurology (H.H.) and Neuroradiology (N.N.), Hôpital Salengro, and the Department of Biostatistics, Centre Hospitalier Universitaire (CHU) Lille (A.D., J.L.), Lille, the Department of Neuroradiology, Hôpital central, L'unité d'Imagerie Adaptative Diagnostique et Interventionnelle, INSERM Unité 1254 (B. Gory), and the Department of Neurology, Hôpital central, Centre d'investigation clinique Plurithématique 1433, INSERM Unité 1116 (S.R.), Nancy, the Departments of Neuroradiology (G.M.) and Neurology (I.S.), Hôpital Pellegrin, Bordeaux, the Department of Neuroradiology, Hôpital Foch, Suresnes (F.D.M.), the Departments of Neurology (M.A.) and Neuroradiology (G.B.), Hôpital Bretonneau, Tours, the Departments of Neurology (M.O.) and Neuroradiology (M.P.), Hôpital Fondation Adolphe de Rothschild, the Departments of Neurology (G.T.) and Neuroradiology (O.N.), Groupe Hospitalier Universitaire Paris, Centre Hospitalier Sainte-Anne, INSERM Unité 1266, the Departments of Neuroradiology (F.C.) and Neurology (S.A.), Hôpital La Pitié-Salpêtrière, Assistance Publique-Hôpitaux de Paris (AP-HP), the Departments of Neuroradiology (L. Spelle) and Neurology (C.D.), Hôpital Bicêtre, AP-HP, the Departments of Neurology (M. Mazighi) and Neuroradiology (E.H.), Hôpital Lariboisière AP-HP, and INSERM Unité 1266 (C.A.), Paris, the Department of Neuroradiology, Nantes Université, CHU Nantes (R.B.), INSERM Unité Mixte de Recherche 1087, Centre National de la Recherche Scientifique, University of Nantes, L'institut du Thorax (R.B.), and Clinique Neurologique, Hôpital G.R. Laennec CHU Nantes (B. Guillon), Nantes, the Departments of Neurology (S.G.) and Neuroradiology (A.P.-P.), CHU d'Angers, Angers, the Departments of Neuroradiology (O.F.E.) and Neurology (T.-H.C.), Hospices Civils de Lyon, Groupement Hospitalier Est Hôpital Pierre Wertheimer, Lyon, the Departments of Neuroradiology (S.V.) and Neurology (M.L.), CHU Poitiers, Site de La Milétrie, Poitiers, the Stroke Unit (L. Suissa) and the Department of Neuroradiology (H.B.), Assistance Publique-Hôpitaux de Marseille, Hôpital de la Timone, Marseille, the Departments of Neuroradiology (J.-C.G.) and Neurology (S.T.), Centre Hospitalier Régional Universitaire (CHRU) Brest, Hôpital de la Cavale Blanche, Brest, the Departments of Neurology (C.L.) and Neuroradiology (C. Chivot), CHU Amiens-Picardie, Amiens, the Departments of Neurology (F.M.-M.) and Neuroradiology (C.M.), CHU Limoges, Dupuytren, Limoges, the Departments of Neurology (O.O.-W.) and Neuroradiology (C.P.), CHU Rouen, Rouen, the Departments of Neurology (V.W.) and Neuroradiology (R.P.), CHRU Strasbourg, Hôpitaux Universitaires de Strasbourg, Hôpital de Hautepierre, Strasbourg, the Departments of Neurology (A.F.) and Neuroradiology (E.C.), CHU Clermont-Ferrand, Hôpital Gabriel Montpied, Clermont-Ferrand, the Departments of Neuroradiology (F.R.) and Neurology (Y.B.), CHU Dijon-Bourgogne, Hôpital François Mitterrand, Dijon, and the Department of Neurology, Hôpital Foch, Suresnes (B.L.), and the Department of Neurology, Hôpital Gui de Chauliac, Montpellier (C.A.) - all in France; Cooper Neurological Institute and Cooper Medical School of Rowan University, Camden, NJ (T.G.J.); the Department of Neurology, Hospital Universitari de Bellvitge, L'Hospitalet de Llobregat (P.C.), and the Department of Neurology, Hospital Clínic de Barcelona (A.R.), Barcelona, the Department of Radiology, Hospital Universitario Central de Asturias, Oviedo (E.L.-C., P.V.), the Department of Neurology Hospital Germans Trias i Pujol, Badalona (M. Millán), Hospital Clínico Universitario de Valladolid, Valladolid (J.F. Arenillas), and the Department of Neurology, Hospital Universitario Cruces, Baracaldo (M.M.F.) - all in Spain; and the Department of Neurology, University of Southern California (N.S.), and the Department of Neurology, UCLA (D.S.L.) - both in Los Angeles.; Naggara O; From the Department of Neuroradiology, Hôpital Gui de Chauliac, Montpellier (V.C.), the Departments of Neurology (J.F. Albucher) and Neuroradiology (C. Cognard), Hôpital Pierre Paul Riquet, and Toulouse Clinical Investigations Centers 1436 (J.F. Albucher, C. Cognard), Toulouse, the Departments of Neurology (H.H.) and Neuroradiology (N.N.), Hôpital Salengro, and the Department of Biostatistics, Centre Hospitalier Universitaire (CHU) Lille (A.D., J.L.), Lille, the Department of Neuroradiology, Hôpital central, L'unité d'Imagerie Adaptative Diagnostique et Interventionnelle, INSERM Unité 1254 (B. Gory), and the Department of Neurology, Hôpital central, Centre d'investigation clinique Plurithématique 1433, INSERM Unité 1116 (S.R.), Nancy, the Departments of Neuroradiology (G.M.) and Neurology (I.S.), Hôpital Pellegrin, Bordeaux, the Department of Neuroradiology, Hôpital Foch, Suresnes (F.D.M.), the Departments of Neurology (M.A.) and Neuroradiology (G.B.), Hôpital Bretonneau, Tours, the Departments of Neurology (M.O.) and Neuroradiology (M.P.), Hôpital Fondation Adolphe de Rothschild, the Departments of Neurology (G.T.) and Neuroradiology (O.N.), Groupe Hospitalier Universitaire Paris, Centre Hospitalier Sainte-Anne, INSERM Unité 1266, the Departments of Neuroradiology (F.C.) and Neurology (S.A.), Hôpital La Pitié-Salpêtrière, Assistance Publique-Hôpitaux de Paris (AP-HP), the Departments of Neuroradiology (L. Spelle) and Neurology (C.D.), Hôpital Bicêtre, AP-HP, the Departments of Neurology (M. Mazighi) and Neuroradiology (E.H.), Hôpital Lariboisière AP-HP, and INSERM Unité 1266 (C.A.), Paris, the Department of Neuroradiology, Nantes Université, CHU Nantes (R.B.), INSERM Unité Mixte de Recherche 1087, Centre National de la Recherche Scientifique, University of Nantes, L'institut du Thorax (R.B.), and Clinique Neurologique, Hôpital G.R. Laennec CHU Nantes (B. Guillon), Nantes, the Departments of Neurology (S.G.) and Neuroradiology (A.P.-P.), CHU d'Angers, Angers, the Departments of Neuroradiology (O.F.E.) and Neurology (T.-H.C.), Hospices Civils de Lyon, Groupement Hospitalier Est Hôpital Pierre Wertheimer, Lyon, the Departments of Neuroradiology (S.V.) and Neurology (M.L.), CHU Poitiers, Site de La Milétrie, Poitiers, the Stroke Unit (L. Suissa) and the Department of Neuroradiology (H.B.), Assistance Publique-Hôpitaux de Marseille, Hôpital de la Timone, Marseille, the Departments of Neuroradiology (J.-C.G.) and Neurology (S.T.), Centre Hospitalier Régional Universitaire (CHRU) Brest, Hôpital de la Cavale Blanche, Brest, the Departments of Neurology (C.L.) and Neuroradiology (C. Chivot), CHU Amiens-Picardie, Amiens, the Departments of Neurology (F.M.-M.) and Neuroradiology (C.M.), CHU Limoges, Dupuytren, Limoges, the Departments of Neurology (O.O.-W.) and Neuroradiology (C.P.), CHU Rouen, Rouen, the Departments of Neurology (V.W.) and Neuroradiology (R.P.), CHRU Strasbourg, Hôpitaux Universitaires de Strasbourg, Hôpital de Hautepierre, Strasbourg, the Departments of Neurology (A.F.) and Neuroradiology (E.C.), CHU Clermont-Ferrand, Hôpital Gabriel Montpied, Clermont-Ferrand, the Departments of Neuroradiology (F.R.) and Neurology (Y.B.), CHU Dijon-Bourgogne, Hôpital François Mitterrand, Dijon, and the Department of Neurology, Hôpital Foch, Suresnes (B.L.), and the Department of Neurology, Hôpital Gui de Chauliac, Montpellier (C.A.) - all in France; Cooper Neurological Institute and Cooper Medical School of Rowan University, Camden, NJ (T.G.J.); the Department of Neurology, Hospital Universitari de Bellvitge, L'Hospitalet de Llobregat (P.C.), and the Department of Neurology, Hospital Clínic de Barcelona (A.R.), Barcelona, the Department of Radiology, Hospital Universitario Central de Asturias, Oviedo (E.L.-C., P.V.), the Department of Neurology Hospital Germans Trias i Pujol, Badalona (M. Millán), Hospital Clínico Universitario de Valladolid, Valladolid (J.F. Arenillas), and the Department of Neurology, Hospital Universitario Cruces, Baracaldo (M.M.F.) - all in Spain; and the Department of Neurology, University of Southern California (N.S.), and the Department of Neurology, UCLA (D.S.L.) - both in Los Angeles.; Velasco S; From the Department of Neuroradiology, Hôpital Gui de Chauliac, Montpellier (V.C.), the Departments of Neurology (J.F. Albucher) and Neuroradiology (C. Cognard), Hôpital Pierre Paul Riquet, and Toulouse Clinical Investigations Centers 1436 (J.F. Albucher, C. Cognard), Toulouse, the Departments of Neurology (H.H.) and Neuroradiology (N.N.), Hôpital Salengro, and the Department of Biostatistics, Centre Hospitalier Universitaire (CHU) Lille (A.D., J.L.), Lille, the Department of Neuroradiology, Hôpital central, L'unité d'Imagerie Adaptative Diagnostique et Interventionnelle, INSERM Unité 1254 (B. Gory), and the Department of Neurology, Hôpital central, Centre d'investigation clinique Plurithématique 1433, INSERM Unité 1116 (S.R.), Nancy, the Departments of Neuroradiology (G.M.) and Neurology (I.S.), Hôpital Pellegrin, Bordeaux, the Department of Neuroradiology, Hôpital Foch, Suresnes (F.D.M.), the Departments of Neurology (M.A.) and Neuroradiology (G.B.), Hôpital Bretonneau, Tours, the Departments of Neurology (M.O.) and Neuroradiology (M.P.), Hôpital Fondation Adolphe de Rothschild, the Departments of Neurology (G.T.) and Neuroradiology (O.N.), Groupe Hospitalier Universitaire Paris, Centre Hospitalier Sainte-Anne, INSERM Unité 1266, the Departments of Neuroradiology (F.C.) and Neurology (S.A.), Hôpital La Pitié-Salpêtrière, Assistance Publique-Hôpitaux de Paris (AP-HP), the Departments of Neuroradiology (L. Spelle) and Neurology (C.D.), Hôpital Bicêtre, AP-HP, the Departments of Neurology (M. Mazighi) and Neuroradiology (E.H.), Hôpital Lariboisière AP-HP, and INSERM Unité 1266 (C.A.), Paris, the Department of Neuroradiology, Nantes Université, CHU Nantes (R.B.), INSERM Unité Mixte de Recherche 1087, Centre National de la Recherche Scientifique, University of Nantes, L'institut du Thorax (R.B.), and Clinique Neurologique, Hôpital G.R. Laennec CHU Nantes (B. Guillon), Nantes, the Departments of Neurology (S.G.) and Neuroradiology (A.P.-P.), CHU d'Angers, Angers, the Departments of Neuroradiology (O.F.E.) and Neurology (T.-H.C.), Hospices Civils de Lyon, Groupement Hospitalier Est Hôpital Pierre Wertheimer, Lyon, the Departments of Neuroradiology (S.V.) and Neurology (M.L.), CHU Poitiers, Site de La Milétrie, Poitiers, the Stroke Unit (L. Suissa) and the Department of Neuroradiology (H.B.), Assistance Publique-Hôpitaux de Marseille, Hôpital de la Timone, Marseille, the Departments of Neuroradiology (J.-C.G.) and Neurology (S.T.), Centre Hospitalier Régional Universitaire (CHRU) Brest, Hôpital de la Cavale Blanche, Brest, the Departments of Neurology (C.L.) and Neuroradiology (C. Chivot), CHU Amiens-Picardie, Amiens, the Departments of Neurology (F.M.-M.) and Neuroradiology (C.M.), CHU Limoges, Dupuytren, Limoges, the Departments of Neurology (O.O.-W.) and Neuroradiology (C.P.), CHU Rouen, Rouen, the Departments of Neurology (V.W.) and Neuroradiology (R.P.), CHRU Strasbourg, Hôpitaux Universitaires de Strasbourg, Hôpital de Hautepierre, Strasbourg, the Departments of Neurology (A.F.) and Neuroradiology (E.C.), CHU Clermont-Ferrand, Hôpital Gabriel Montpied, Clermont-Ferrand, the Departments of Neuroradiology (F.R.) and Neurology (Y.B.), CHU Dijon-Bourgogne, Hôpital François Mitterrand, Dijon, and the Department of Neurology, Hôpital Foch, Suresnes (B.L.), and the Department of Neurology, Hôpital Gui de Chauliac, Montpellier (C.A.) - all in France; Cooper Neurological Institute and Cooper Medical School of Rowan University, Camden, NJ (T.G.J.); the Department of Neurology, Hospital Universitari de Bellvitge, L'Hospitalet de Llobregat (P.C.), and the Department of Neurology, Hospital Clínic de Barcelona (A.R.), Barcelona, the Department of Radiology, Hospital Universitario Central de Asturias, Oviedo (E.L.-C., P.V.), the Department of Neurology Hospital Germans Trias i Pujol, Badalona (M. Millán), Hospital Clínico Universitario de Valladolid, Valladolid (J.F. Arenillas), and the Department of Neurology, Hospital Universitario Cruces, Baracaldo (M.M.F.) - all in Spain; and the Department of Neurology, University of Southern California (N.S.), and the Department of Neurology, UCLA (D.S.L.) - both in Los Angeles.; Lamy M; From the Department of Neuroradiology, Hôpital Gui de Chauliac, Montpellier (V.C.), the Departments of Neurology (J.F. Albucher) and Neuroradiology (C. Cognard), Hôpital Pierre Paul Riquet, and Toulouse Clinical Investigations Centers 1436 (J.F. Albucher, C. Cognard), Toulouse, the Departments of Neurology (H.H.) and Neuroradiology (N.N.), Hôpital Salengro, and the Department of Biostatistics, Centre Hospitalier Universitaire (CHU) Lille (A.D., J.L.), Lille, the Department of Neuroradiology, Hôpital central, L'unité d'Imagerie Adaptative Diagnostique et Interventionnelle, INSERM Unité 1254 (B. Gory), and the Department of Neurology, Hôpital central, Centre d'investigation clinique Plurithématique 1433, INSERM Unité 1116 (S.R.), Nancy, the Departments of Neuroradiology (G.M.) and Neurology (I.S.), Hôpital Pellegrin, Bordeaux, the Department of Neuroradiology, Hôpital Foch, Suresnes (F.D.M.), the Departments of Neurology (M.A.) and Neuroradiology (G.B.), Hôpital Bretonneau, Tours, the Departments of Neurology (M.O.) and Neuroradiology (M.P.), Hôpital Fondation Adolphe de Rothschild, the Departments of Neurology (G.T.) and Neuroradiology (O.N.), Groupe Hospitalier Universitaire Paris, Centre Hospitalier Sainte-Anne, INSERM Unité 1266, the Departments of Neuroradiology (F.C.) and Neurology (S.A.), Hôpital La Pitié-Salpêtrière, Assistance Publique-Hôpitaux de Paris (AP-HP), the Departments of Neuroradiology (L. Spelle) and Neurology (C.D.), Hôpital Bicêtre, AP-HP, the Departments of Neurology (M. Mazighi) and Neuroradiology (E.H.), Hôpital Lariboisière AP-HP, and INSERM Unité 1266 (C.A.), Paris, the Department of Neuroradiology, Nantes Université, CHU Nantes (R.B.), INSERM Unité Mixte de Recherche 1087, Centre National de la Recherche Scientifique, University of Nantes, L'institut du Thorax (R.B.), and Clinique Neurologique, Hôpital G.R. Laennec CHU Nantes (B. Guillon), Nantes, the Departments of Neurology (S.G.) and Neuroradiology (A.P.-P.), CHU d'Angers, Angers, the Departments of Neuroradiology (O.F.E.) and Neurology (T.-H.C.), Hospices Civils de Lyon, Groupement Hospitalier Est Hôpital Pierre Wertheimer, Lyon, the Departments of Neuroradiology (S.V.) and Neurology (M.L.), CHU Poitiers, Site de La Milétrie, Poitiers, the Stroke Unit (L. Suissa) and the Department of Neuroradiology (H.B.), Assistance Publique-Hôpitaux de Marseille, Hôpital de la Timone, Marseille, the Departments of Neuroradiology (J.-C.G.) and Neurology (S.T.), Centre Hospitalier Régional Universitaire (CHRU) Brest, Hôpital de la Cavale Blanche, Brest, the Departments of Neurology (C.L.) and Neuroradiology (C. Chivot), CHU Amiens-Picardie, Amiens, the Departments of Neurology (F.M.-M.) and Neuroradiology (C.M.), CHU Limoges, Dupuytren, Limoges, the Departments of Neurology (O.O.-W.) and Neuroradiology (C.P.), CHU Rouen, Rouen, the Departments of Neurology (V.W.) and Neuroradiology (R.P.), CHRU Strasbourg, Hôpitaux Universitaires de Strasbourg, Hôpital de Hautepierre, Strasbourg, the Departments of Neurology (A.F.) and Neuroradiology (E.C.), CHU Clermont-Ferrand, Hôpital Gabriel Montpied, Clermont-Ferrand, the Departments of Neuroradiology (F.R.) and Neurology (Y.B.), CHU Dijon-Bourgogne, Hôpital François Mitterrand, Dijon, and the Department of Neurology, Hôpital Foch, Suresnes (B.L.), and the Department of Neurology, Hôpital Gui de Chauliac, Montpellier (C.A.) - all in France; Cooper Neurological Institute and Cooper Medical School of Rowan University, Camden, NJ (T.G.J.); the Department of Neurology, Hospital Universitari de Bellvitge, L'Hospitalet de Llobregat (P.C.), and the Department of Neurology, Hospital Clínic de Barcelona (A.R.), Barcelona, the Department of Radiology, Hospital Universitario Central de Asturias, Oviedo (E.L.-C., P.V.), the Department of Neurology Hospital Germans Trias i Pujol, Badalona (M. Millán), Hospital Clínico Universitario de Valladolid, Valladolid (J.F. Arenillas), and the Department of Neurology, Hospital Universitario Cruces, Baracaldo (M.M.F.) - all in Spain; and the Department of Neurology, University of Southern California (N.S.), and the Department of Neurology, UCLA (D.S.L.) - both in Los Angeles.; Clarençon F; From the Department of Neuroradiology, Hôpital Gui de Chauliac, Montpellier (V.C.), the Departments of Neurology (J.F. Albucher) and Neuroradiology (C. Cognard), Hôpital Pierre Paul Riquet, and Toulouse Clinical Investigations Centers 1436 (J.F. Albucher, C. Cognard), Toulouse, the Departments of Neurology (H.H.) and Neuroradiology (N.N.), Hôpital Salengro, and the Department of Biostatistics, Centre Hospitalier Universitaire (CHU) Lille (A.D., J.L.), Lille, the Department of Neuroradiology, Hôpital central, L'unité d'Imagerie Adaptative Diagnostique et Interventionnelle, INSERM Unité 1254 (B. Gory), and the Department of Neurology, Hôpital central, Centre d'investigation clinique Plurithématique 1433, INSERM Unité 1116 (S.R.), Nancy, the Departments of Neuroradiology (G.M.) and Neurology (I.S.), Hôpital Pellegrin, Bordeaux, the Department of Neuroradiology, Hôpital Foch, Suresnes (F.D.M.), the Departments of Neurology (M.A.) and Neuroradiology (G.B.), Hôpital Bretonneau, Tours, the Departments of Neurology (M.O.) and Neuroradiology (M.P.), Hôpital Fondation Adolphe de Rothschild, the Departments of Neurology (G.T.) and Neuroradiology (O.N.), Groupe Hospitalier Universitaire Paris, Centre Hospitalier Sainte-Anne, INSERM Unité 1266, the Departments of Neuroradiology (F.C.) and Neurology (S.A.), Hôpital La Pitié-Salpêtrière, Assistance Publique-Hôpitaux de Paris (AP-HP), the Departments of Neuroradiology (L. Spelle) and Neurology (C.D.), Hôpital Bicêtre, AP-HP, the Departments of Neurology (M. Mazighi) and Neuroradiology (E.H.), Hôpital Lariboisière AP-HP, and INSERM Unité 1266 (C.A.), Paris, the Department of Neuroradiology, Nantes Université, CHU Nantes (R.B.), INSERM Unité Mixte de Recherche 1087, Centre National de la Recherche Scientifique, University of Nantes, L'institut du Thorax (R.B.), and Clinique Neurologique, Hôpital G.R. Laennec CHU Nantes (B. Guillon), Nantes, the Departments of Neurology (S.G.) and Neuroradiology (A.P.-P.), CHU d'Angers, Angers, the Departments of Neuroradiology (O.F.E.) and Neurology (T.-H.C.), Hospices Civils de Lyon, Groupement Hospitalier Est Hôpital Pierre Wertheimer, Lyon, the Departments of Neuroradiology (S.V.) and Neurology (M.L.), CHU Poitiers, Site de La Milétrie, Poitiers, the Stroke Unit (L. Suissa) and the Department of Neuroradiology (H.B.), Assistance Publique-Hôpitaux de Marseille, Hôpital de la Timone, Marseille, the Departments of Neuroradiology (J.-C.G.) and Neurology (S.T.), Centre Hospitalier Régional Universitaire (CHRU) Brest, Hôpital de la Cavale Blanche, Brest, the Departments of Neurology (C.L.) and Neuroradiology (C. Chivot), CHU Amiens-Picardie, Amiens, the Departments of Neurology (F.M.-M.) and Neuroradiology (C.M.), CHU Limoges, Dupuytren, Limoges, the Departments of Neurology (O.O.-W.) and Neuroradiology (C.P.), CHU Rouen, Rouen, the Departments of Neurology (V.W.) and Neuroradiology (R.P.), CHRU Strasbourg, Hôpitaux Universitaires de Strasbourg, Hôpital de Hautepierre, Strasbourg, the Departments of Neurology (A.F.) and Neuroradiology (E.C.), CHU Clermont-Ferrand, Hôpital Gabriel Montpied, Clermont-Ferrand, the Departments of Neuroradiology (F.R.) and Neurology (Y.B.), CHU Dijon-Bourgogne, Hôpital François Mitterrand, Dijon, and the Department of Neurology, Hôpital Foch, Suresnes (B.L.), and the Department of Neurology, Hôpital Gui de Chauliac, Montpellier (C.A.) - all in France; Cooper Neurological Institute and Cooper Medical School of Rowan University, Camden, NJ (T.G.J.); the Department of Neurology, Hospital Universitari de Bellvitge, L'Hospitalet de Llobregat (P.C.), and the Department of Neurology, Hospital Clínic de Barcelona (A.R.), Barcelona, the Department of Radiology, Hospital Universitario Central de Asturias, Oviedo (E.L.-C., P.V.), the Department of Neurology Hospital Germans Trias i Pujol, Badalona (M. Millán), Hospital Clínico Universitario de Valladolid, Valladolid (J.F. Arenillas), and the Department of Neurology, Hospital Universitario Cruces, Baracaldo (M.M.F.) - all in Spain; and the Department of Neurology, University of Southern California (N.S.), and the Department of Neurology, UCLA (D.S.L.) - both in Los Angeles.; Alamowitch S; From the Department of Neuroradiology, Hôpital Gui de Chauliac, Montpellier (V.C.), the Departments of Neurology (J.F. Albucher) and Neuroradiology (C. Cognard), Hôpital Pierre Paul Riquet, and Toulouse Clinical Investigations Centers 1436 (J.F. Albucher, C. Cognard), Toulouse, the Departments of Neurology (H.H.) and Neuroradiology (N.N.), Hôpital Salengro, and the Department of Biostatistics, Centre Hospitalier Universitaire (CHU) Lille (A.D., J.L.), Lille, the Department of Neuroradiology, Hôpital central, L'unité d'Imagerie Adaptative Diagnostique et Interventionnelle, INSERM Unité 1254 (B. Gory), and the Department of Neurology, Hôpital central, Centre d'investigation clinique Plurithématique 1433, INSERM Unité 1116 (S.R.), Nancy, the Departments of Neuroradiology (G.M.) and Neurology (I.S.), Hôpital Pellegrin, Bordeaux, the Department of Neuroradiology, Hôpital Foch, Suresnes (F.D.M.), the Departments of Neurology (M.A.) and Neuroradiology (G.B.), Hôpital Bretonneau, Tours, the Departments of Neurology (M.O.) and Neuroradiology (M.P.), Hôpital Fondation Adolphe de Rothschild, the Departments of Neurology (G.T.) and Neuroradiology (O.N.), Groupe Hospitalier Universitaire Paris, Centre Hospitalier Sainte-Anne, INSERM Unité 1266, the Departments of Neuroradiology (F.C.) and Neurology (S.A.), Hôpital La Pitié-Salpêtrière, Assistance Publique-Hôpitaux de Paris (AP-HP), the Departments of Neuroradiology (L. Spelle) and Neurology (C.D.), Hôpital Bicêtre, AP-HP, the Departments of Neurology (M. Mazighi) and Neuroradiology (E.H.), Hôpital Lariboisière AP-HP, and INSERM Unité 1266 (C.A.), Paris, the Department of Neuroradiology, Nantes Université, CHU Nantes (R.B.), INSERM Unité Mixte de Recherche 1087, Centre National de la Recherche Scientifique, University of Nantes, L'institut du Thorax (R.B.), and Clinique Neurologique, Hôpital G.R. Laennec CHU Nantes (B. Guillon), Nantes, the Departments of Neurology (S.G.) and Neuroradiology (A.P.-P.), CHU d'Angers, Angers, the Departments of Neuroradiology (O.F.E.) and Neurology (T.-H.C.), Hospices Civils de Lyon, Groupement Hospitalier Est Hôpital Pierre Wertheimer, Lyon, the Departments of Neuroradiology (S.V.) and Neurology (M.L.), CHU Poitiers, Site de La Milétrie, Poitiers, the Stroke Unit (L. Suissa) and the Department of Neuroradiology (H.B.), Assistance Publique-Hôpitaux de Marseille, Hôpital de la Timone, Marseille, the Departments of Neuroradiology (J.-C.G.) and Neurology (S.T.), Centre Hospitalier Régional Universitaire (CHRU) Brest, Hôpital de la Cavale Blanche, Brest, the Departments of Neurology (C.L.) and Neuroradiology (C. Chivot), CHU Amiens-Picardie, Amiens, the Departments of Neurology (F.M.-M.) and Neuroradiology (C.M.), CHU Limoges, Dupuytren, Limoges, the Departments of Neurology (O.O.-W.) and Neuroradiology (C.P.), CHU Rouen, Rouen, the Departments of Neurology (V.W.) and Neuroradiology (R.P.), CHRU Strasbourg, Hôpitaux Universitaires de Strasbourg, Hôpital de Hautepierre, Strasbourg, the Departments of Neurology (A.F.) and Neuroradiology (E.C.), CHU Clermont-Ferrand, Hôpital Gabriel Montpied, Clermont-Ferrand, the Departments of Neuroradiology (F.R.) and Neurology (Y.B.), CHU Dijon-Bourgogne, Hôpital François Mitterrand, Dijon, and the Department of Neurology, Hôpital Foch, Suresnes (B.L.), and the Department of Neurology, Hôpital Gui de Chauliac, Montpellier (C.A.) - all in France; Cooper Neurological Institute and Cooper Medical School of Rowan University, Camden, NJ (T.G.J.); the Department of Neurology, Hospital Universitari de Bellvitge, L'Hospitalet de Llobregat (P.C.), and the Department of Neurology, Hospital Clínic de Barcelona (A.R.), Barcelona, the Department of Radiology, Hospital Universitario Central de Asturias, Oviedo (E.L.-C., P.V.), the Department of Neurology Hospital Germans Trias i Pujol, Badalona (M. Millán), Hospital Clínico Universitario de Valladolid, Valladolid (J.F. Arenillas), and the Department of Neurology, Hospital Universitario Cruces, Baracaldo (M.M.F.) - all in Spain; and the Department of Neurology, University of Southern California (N.S.), and the Department of Neurology, UCLA (D.S.L.) - both in Los Angeles.; Renu A; From the Department of Neuroradiology, Hôpital Gui de Chauliac, Montpellier (V.C.), the Departments of Neurology (J.F. Albucher) and Neuroradiology (C. Cognard), Hôpital Pierre Paul Riquet, and Toulouse Clinical Investigations Centers 1436 (J.F. Albucher, C. Cognard), Toulouse, the Departments of Neurology (H.H.) and Neuroradiology (N.N.), Hôpital Salengro, and the Department of Biostatistics, Centre Hospitalier Universitaire (CHU) Lille (A.D., J.L.), Lille, the Department of Neuroradiology, Hôpital central, L'unité d'Imagerie Adaptative Diagnostique et Interventionnelle, INSERM Unité 1254 (B. Gory), and the Department of Neurology, Hôpital central, Centre d'investigation clinique Plurithématique 1433, INSERM Unité 1116 (S.R.), Nancy, the Departments of Neuroradiology (G.M.) and Neurology (I.S.), Hôpital Pellegrin, Bordeaux, the Department of Neuroradiology, Hôpital Foch, Suresnes (F.D.M.), the Departments of Neurology (M.A.) and Neuroradiology (G.B.), Hôpital Bretonneau, Tours, the Departments of Neurology (M.O.) and Neuroradiology (M.P.), Hôpital Fondation Adolphe de Rothschild, the Departments of Neurology (G.T.) and Neuroradiology (O.N.), Groupe Hospitalier Universitaire Paris, Centre Hospitalier Sainte-Anne, INSERM Unité 1266, the Departments of Neuroradiology (F.C.) and Neurology (S.A.), Hôpital La Pitié-Salpêtrière, Assistance Publique-Hôpitaux de Paris (AP-HP), the Departments of Neuroradiology (L. Spelle) and Neurology (C.D.), Hôpital Bicêtre, AP-HP, the Departments of Neurology (M. Mazighi) and Neuroradiology (E.H.), Hôpital Lariboisière AP-HP, and INSERM Unité 1266 (C.A.), Paris, the Department of Neuroradiology, Nantes Université, CHU Nantes (R.B.), INSERM Unité Mixte de Recherche 1087, Centre National de la Recherche Scientifique, University of Nantes, L'institut du Thorax (R.B.), and Clinique Neurologique, Hôpital G.R. Laennec CHU Nantes (B. Guillon), Nantes, the Departments of Neurology (S.G.) and Neuroradiology (A.P.-P.), CHU d'Angers, Angers, the Departments of Neuroradiology (O.F.E.) and Neurology (T.-H.C.), Hospices Civils de Lyon, Groupement Hospitalier Est Hôpital Pierre Wertheimer, Lyon, the Departments of Neuroradiology (S.V.) and Neurology (M.L.), CHU Poitiers, Site de La Milétrie, Poitiers, the Stroke Unit (L. Suissa) and the Department of Neuroradiology (H.B.), Assistance Publique-Hôpitaux de Marseille, Hôpital de la Timone, Marseille, the Departments of Neuroradiology (J.-C.G.) and Neurology (S.T.), Centre Hospitalier Régional Universitaire (CHRU) Brest, Hôpital de la Cavale Blanche, Brest, the Departments of Neurology (C.L.) and Neuroradiology (C. Chivot), CHU Amiens-Picardie, Amiens, the Departments of Neurology (F.M.-M.) and Neuroradiology (C.M.), CHU Limoges, Dupuytren, Limoges, the Departments of Neurology (O.O.-W.) and Neuroradiology (C.P.), CHU Rouen, Rouen, the Departments of Neurology (V.W.) and Neuroradiology (R.P.), CHRU Strasbourg, Hôpitaux Universitaires de Strasbourg, Hôpital de Hautepierre, Strasbourg, the Departments of Neurology (A.F.) and Neuroradiology (E.C.), CHU Clermont-Ferrand, Hôpital Gabriel Montpied, Clermont-Ferrand, the Departments of Neuroradiology (F.R.) and Neurology (Y.B.), CHU Dijon-Bourgogne, Hôpital François Mitterrand, Dijon, and the Department of Neurology, Hôpital Foch, Suresnes (B.L.), and the Department of Neurology, Hôpital Gui de Chauliac, Montpellier (C.A.) - all in France; Cooper Neurological Institute and Cooper Medical School of Rowan University, Camden, NJ (T.G.J.); the Department of Neurology, Hospital Universitari de Bellvitge, L'Hospitalet de Llobregat (P.C.), and the Department of Neurology, Hospital Clínic de Barcelona (A.R.), Barcelona, the Department of Radiology, Hospital Universitario Central de Asturias, Oviedo (E.L.-C., P.V.), the Department of Neurology Hospital Germans Trias i Pujol, Badalona (M. Millán), Hospital Clínico Universitario de Valladolid, Valladolid (J.F. Arenillas), and the Department of Neurology, Hospital Universitario Cruces, Baracaldo (M.M.F.) - all in Spain; and the Department of Neurology, University of Southern California (N.S.), and the Department of Neurology, UCLA (D.S.L.) - both in Los Angeles.; Suissa L; From the Department of Neuroradiology, Hôpital Gui de Chauliac, Montpellier (V.C.), the Departments of Neurology (J.F. Albucher) and Neuroradiology (C. Cognard), Hôpital Pierre Paul Riquet, and Toulouse Clinical Investigations Centers 1436 (J.F. Albucher, C. Cognard), Toulouse, the Departments of Neurology (H.H.) and Neuroradiology (N.N.), Hôpital Salengro, and the Department of Biostatistics, Centre Hospitalier Universitaire (CHU) Lille (A.D., J.L.), Lille, the Department of Neuroradiology, Hôpital central, L'unité d'Imagerie Adaptative Diagnostique et Interventionnelle, INSERM Unité 1254 (B. Gory), and the Department of Neurology, Hôpital central, Centre d'investigation clinique Plurithématique 1433, INSERM Unité 1116 (S.R.), Nancy, the Departments of Neuroradiology (G.M.) and Neurology (I.S.), Hôpital Pellegrin, Bordeaux, the Department of Neuroradiology, Hôpital Foch, Suresnes (F.D.M.), the Departments of Neurology (M.A.) and Neuroradiology (G.B.), Hôpital Bretonneau, Tours, the Departments of Neurology (M.O.) and Neuroradiology (M.P.), Hôpital Fondation Adolphe de Rothschild, the Departments of Neurology (G.T.) and Neuroradiology (O.N.), Groupe Hospitalier Universitaire Paris, Centre Hospitalier Sainte-Anne, INSERM Unité 1266, the Departments of Neuroradiology (F.C.) and Neurology (S.A.), Hôpital La Pitié-Salpêtrière, Assistance Publique-Hôpitaux de Paris (AP-HP), the Departments of Neuroradiology (L. Spelle) and Neurology (C.D.), Hôpital Bicêtre, AP-HP, the Departments of Neurology (M. Mazighi) and Neuroradiology (E.H.), Hôpital Lariboisière AP-HP, and INSERM Unité 1266 (C.A.), Paris, the Department of Neuroradiology, Nantes Université, CHU Nantes (R.B.), INSERM Unité Mixte de Recherche 1087, Centre National de la Recherche Scientifique, University of Nantes, L'institut du Thorax (R.B.), and Clinique Neurologique, Hôpital G.R. Laennec CHU Nantes (B. Guillon), Nantes, the Departments of Neurology (S.G.) and Neuroradiology (A.P.-P.), CHU d'Angers, Angers, the Departments of Neuroradiology (O.F.E.) and Neurology (T.-H.C.), Hospices Civils de Lyon, Groupement Hospitalier Est Hôpital Pierre Wertheimer, Lyon, the Departments of Neuroradiology (S.V.) and Neurology (M.L.), CHU Poitiers, Site de La Milétrie, Poitiers, the Stroke Unit (L. Suissa) and the Department of Neuroradiology (H.B.), Assistance Publique-Hôpitaux de Marseille, Hôpital de la Timone, Marseille, the Departments of Neuroradiology (J.-C.G.) and Neurology (S.T.), Centre Hospitalier Régional Universitaire (CHRU) Brest, Hôpital de la Cavale Blanche, Brest, the Departments of Neurology (C.L.) and Neuroradiology (C. Chivot), CHU Amiens-Picardie, Amiens, the Departments of Neurology (F.M.-M.) and Neuroradiology (C.M.), CHU Limoges, Dupuytren, Limoges, the Departments of Neurology (O.O.-W.) and Neuroradiology (C.P.), CHU Rouen, Rouen, the Departments of Neurology (V.W.) and Neuroradiology (R.P.), CHRU Strasbourg, Hôpitaux Universitaires de Strasbourg, Hôpital de Hautepierre, Strasbourg, the Departments of Neurology (A.F.) and Neuroradiology (E.C.), CHU Clermont-Ferrand, Hôpital Gabriel Montpied, Clermont-Ferrand, the Departments of Neuroradiology (F.R.) and Neurology (Y.B.), CHU Dijon-Bourgogne, Hôpital François Mitterrand, Dijon, and the Department of Neurology, Hôpital Foch, Suresnes (B.L.), and the Department of Neurology, Hôpital Gui de Chauliac, Montpellier (C.A.) - all in France; Cooper Neurological Institute and Cooper Medical School of Rowan University, Camden, NJ (T.G.J.); the Department of Neurology, Hospital Universitari de Bellvitge, L'Hospitalet de Llobregat (P.C.), and the Department of Neurology, Hospital Clínic de Barcelona (A.R.), Barcelona, the Department of Radiology, Hospital Universitario Central de Asturias, Oviedo (E.L.-C., P.V.), the Department of Neurology Hospital Germans Trias i Pujol, Badalona (M. Millán), Hospital Clínico Universitario de Valladolid, Valladolid (J.F. Arenillas), and the Department of Neurology, Hospital Universitario Cruces, Baracaldo (M.M.F.) - all in Spain; and the Department of Neurology, University of Southern California (N.S.), and the Department of Neurology, UCLA (D.S.L.) - both in Los Angeles.; Brunel H; From the Department of Neuroradiology, Hôpital Gui de Chauliac, Montpellier (V.C.), the Departments of Neurology (J.F. Albucher) and Neuroradiology (C. Cognard), Hôpital Pierre Paul Riquet, and Toulouse Clinical Investigations Centers 1436 (J.F. Albucher, C. Cognard), Toulouse, the Departments of Neurology (H.H.) and Neuroradiology (N.N.), Hôpital Salengro, and the Department of Biostatistics, Centre Hospitalier Universitaire (CHU) Lille (A.D., J.L.), Lille, the Department of Neuroradiology, Hôpital central, L'unité d'Imagerie Adaptative Diagnostique et Interventionnelle, INSERM Unité 1254 (B. Gory), and the Department of Neurology, Hôpital central, Centre d'investigation clinique Plurithématique 1433, INSERM Unité 1116 (S.R.), Nancy, the Departments of Neuroradiology (G.M.) and Neurology (I.S.), Hôpital Pellegrin, Bordeaux, the Department of Neuroradiology, Hôpital Foch, Suresnes (F.D.M.), the Departments of Neurology (M.A.) and Neuroradiology (G.B.), Hôpital Bretonneau, Tours, the Departments of Neurology (M.O.) and Neuroradiology (M.P.), Hôpital Fondation Adolphe de Rothschild, the Departments of Neurology (G.T.) and Neuroradiology (O.N.), Groupe Hospitalier Universitaire Paris, Centre Hospitalier Sainte-Anne, INSERM Unité 1266, the Departments of Neuroradiology (F.C.) and Neurology (S.A.), Hôpital La Pitié-Salpêtrière, Assistance Publique-Hôpitaux de Paris (AP-HP), the Departments of Neuroradiology (L. Spelle) and Neurology (C.D.), Hôpital Bicêtre, AP-HP, the Departments of Neurology (M. Mazighi) and Neuroradiology (E.H.), Hôpital Lariboisière AP-HP, and INSERM Unité 1266 (C.A.), Paris, the Department of Neuroradiology, Nantes Université, CHU Nantes (R.B.), INSERM Unité Mixte de Recherche 1087, Centre National de la Recherche Scientifique, University of Nantes, L'institut du Thorax (R.B.), and Clinique Neurologique, Hôpital G.R. Laennec CHU Nantes (B. Guillon), Nantes, the Departments of Neurology (S.G.) and Neuroradiology (A.P.-P.), CHU d'Angers, Angers, the Departments of Neuroradiology (O.F.E.) and Neurology (T.-H.C.), Hospices Civils de Lyon, Groupement Hospitalier Est Hôpital Pierre Wertheimer, Lyon, the Departments of Neuroradiology (S.V.) and Neurology (M.L.), CHU Poitiers, Site de La Milétrie, Poitiers, the Stroke Unit (L. Suissa) and the Department of Neuroradiology (H.B.), Assistance Publique-Hôpitaux de Marseille, Hôpital de la Timone, Marseille, the Departments of Neuroradiology (J.-C.G.) and Neurology (S.T.), Centre Hospitalier Régional Universitaire (CHRU) Brest, Hôpital de la Cavale Blanche, Brest, the Departments of Neurology (C.L.) and Neuroradiology (C. Chivot), CHU Amiens-Picardie, Amiens, the Departments of Neurology (F.M.-M.) and Neuroradiology (C.M.), CHU Limoges, Dupuytren, Limoges, the Departments of Neurology (O.O.-W.) and Neuroradiology (C.P.), CHU Rouen, Rouen, the Departments of Neurology (V.W.) and Neuroradiology (R.P.), CHRU Strasbourg, Hôpitaux Universitaires de Strasbourg, Hôpital de Hautepierre, Strasbourg, the Departments of Neurology (A.F.) and Neuroradiology (E.C.), CHU Clermont-Ferrand, Hôpital Gabriel Montpied, Clermont-Ferrand, the Departments of Neuroradiology (F.R.) and Neurology (Y.B.), CHU Dijon-Bourgogne, Hôpital François Mitterrand, Dijon, and the Department of Neurology, Hôpital Foch, Suresnes (B.L.), and the Department of Neurology, Hôpital Gui de Chauliac, Montpellier (C.A.) - all in France; Cooper Neurological Institute and Cooper Medical School of Rowan University, Camden, NJ (T.G.J.); the Department of Neurology, Hospital Universitari de Bellvitge, L'Hospitalet de Llobregat (P.C.), and the Department of Neurology, Hospital Clínic de Barcelona (A.R.), Barcelona, the Department of Radiology, Hospital Universitario Central de Asturias, Oviedo (E.L.-C., P.V.), the Department of Neurology Hospital Germans Trias i Pujol, Badalona (M. Millán), Hospital Clínico Universitario de Valladolid, Valladolid (J.F. Arenillas), and the Department of Neurology, Hospital Universitario Cruces, Baracaldo (M.M.F.) - all in Spain; and the Department of Neurology, University of Southern California (N.S.), and the Department of Neurology, UCLA (D.S.L.) - both in Los Angeles.; Gentric JC; From the Department of Neuroradiology, Hôpital Gui de Chauliac, Montpellier (V.C.), the Departments of Neurology (J.F. Albucher) and Neuroradiology (C. Cognard), Hôpital Pierre Paul Riquet, and Toulouse Clinical Investigations Centers 1436 (J.F. Albucher, C. Cognard), Toulouse, the Departments of Neurology (H.H.) and Neuroradiology (N.N.), Hôpital Salengro, and the Department of Biostatistics, Centre Hospitalier Universitaire (CHU) Lille (A.D., J.L.), Lille, the Department of Neuroradiology, Hôpital central, L'unité d'Imagerie Adaptative Diagnostique et Interventionnelle, INSERM Unité 1254 (B. Gory), and the Department of Neurology, Hôpital central, Centre d'investigation clinique Plurithématique 1433, INSERM Unité 1116 (S.R.), Nancy, the Departments of Neuroradiology (G.M.) and Neurology (I.S.), Hôpital Pellegrin, Bordeaux, the Department of Neuroradiology, Hôpital Foch, Suresnes (F.D.M.), the Departments of Neurology (M.A.) and Neuroradiology (G.B.), Hôpital Bretonneau, Tours, the Departments of Neurology (M.O.) and Neuroradiology (M.P.), Hôpital Fondation Adolphe de Rothschild, the Departments of Neurology (G.T.) and Neuroradiology (O.N.), Groupe Hospitalier Universitaire Paris, Centre Hospitalier Sainte-Anne, INSERM Unité 1266, the Departments of Neuroradiology (F.C.) and Neurology (S.A.), Hôpital La Pitié-Salpêtrière, Assistance Publique-Hôpitaux de Paris (AP-HP), the Departments of Neuroradiology (L. Spelle) and Neurology (C.D.), Hôpital Bicêtre, AP-HP, the Departments of Neurology (M. Mazighi) and Neuroradiology (E.H.), Hôpital Lariboisière AP-HP, and INSERM Unité 1266 (C.A.), Paris, the Department of Neuroradiology, Nantes Université, CHU Nantes (R.B.), INSERM Unité Mixte de Recherche 1087, Centre National de la Recherche Scientifique, University of Nantes, L'institut du Thorax (R.B.), and Clinique Neurologique, Hôpital G.R. Laennec CHU Nantes (B. Guillon), Nantes, the Departments of Neurology (S.G.) and Neuroradiology (A.P.-P.), CHU d'Angers, Angers, the Departments of Neuroradiology (O.F.E.) and Neurology (T.-H.C.), Hospices Civils de Lyon, Groupement Hospitalier Est Hôpital Pierre Wertheimer, Lyon, the Departments of Neuroradiology (S.V.) and Neurology (M.L.), CHU Poitiers, Site de La Milétrie, Poitiers, the Stroke Unit (L. Suissa) and the Department of Neuroradiology (H.B.), Assistance Publique-Hôpitaux de Marseille, Hôpital de la Timone, Marseille, the Departments of Neuroradiology (J.-C.G.) and Neurology (S.T.), Centre Hospitalier Régional Universitaire (CHRU) Brest, Hôpital de la Cavale Blanche, Brest, the Departments of Neurology (C.L.) and Neuroradiology (C. Chivot), CHU Amiens-Picardie, Amiens, the Departments of Neurology (F.M.-M.) and Neuroradiology (C.M.), CHU Limoges, Dupuytren, Limoges, the Departments of Neurology (O.O.-W.) and Neuroradiology (C.P.), CHU Rouen, Rouen, the Departments of Neurology (V.W.) and Neuroradiology (R.P.), CHRU Strasbourg, Hôpitaux Universitaires de Strasbourg, Hôpital de Hautepierre, Strasbourg, the Departments of Neurology (A.F.) and Neuroradiology (E.C.), CHU Clermont-Ferrand, Hôpital Gabriel Montpied, Clermont-Ferrand, the Departments of Neuroradiology (F.R.) and Neurology (Y.B.), CHU Dijon-Bourgogne, Hôpital François Mitterrand, Dijon, and the Department of Neurology, Hôpital Foch, Suresnes (B.L.), and the Department of Neurology, Hôpital Gui de Chauliac, Montpellier (C.A.) - all in France; Cooper Neurological Institute and Cooper Medical School of Rowan University, Camden, NJ (T.G.J.); the Department of Neurology, Hospital Universitari de Bellvitge, L'Hospitalet de Llobregat (P.C.), and the Department of Neurology, Hospital Clínic de Barcelona (A.R.), Barcelona, the Department of Radiology, Hospital Universitario Central de Asturias, Oviedo (E.L.-C., P.V.), the Department of Neurology Hospital Germans Trias i Pujol, Badalona (M. Millán), Hospital Clínico Universitario de Valladolid, Valladolid (J.F. Arenillas), and the Department of Neurology, Hospital Universitario Cruces, Baracaldo (M.M.F.) - all in Spain; and the Department of Neurology, University of Southern California (N.S.), and the Department of Neurology, UCLA (D.S.L.) - both in Los Angeles.; Timsit S; From the Department of Neuroradiology, Hôpital Gui de Chauliac, Montpellier (V.C.), the Departments of Neurology (J.F. Albucher) and Neuroradiology (C. Cognard), Hôpital Pierre Paul Riquet, and Toulouse Clinical Investigations Centers 1436 (J.F. Albucher, C. Cognard), Toulouse, the Departments of Neurology (H.H.) and Neuroradiology (N.N.), Hôpital Salengro, and the Department of Biostatistics, Centre Hospitalier Universitaire (CHU) Lille (A.D., J.L.), Lille, the Department of Neuroradiology, Hôpital central, L'unité d'Imagerie Adaptative Diagnostique et Interventionnelle, INSERM Unité 1254 (B. Gory), and the Department of Neurology, Hôpital central, Centre d'investigation clinique Plurithématique 1433, INSERM Unité 1116 (S.R.), Nancy, the Departments of Neuroradiology (G.M.) and Neurology (I.S.), Hôpital Pellegrin, Bordeaux, the Department of Neuroradiology, Hôpital Foch, Suresnes (F.D.M.), the Departments of Neurology (M.A.) and Neuroradiology (G.B.), Hôpital Bretonneau, Tours, the Departments of Neurology (M.O.) and Neuroradiology (M.P.), Hôpital Fondation Adolphe de Rothschild, the Departments of Neurology (G.T.) and Neuroradiology (O.N.), Groupe Hospitalier Universitaire Paris, Centre Hospitalier Sainte-Anne, INSERM Unité 1266, the Departments of Neuroradiology (F.C.) and Neurology (S.A.), Hôpital La Pitié-Salpêtrière, Assistance Publique-Hôpitaux de Paris (AP-HP), the Departments of Neuroradiology (L. Spelle) and Neurology (C.D.), Hôpital Bicêtre, AP-HP, the Departments of Neurology (M. Mazighi) and Neuroradiology (E.H.), Hôpital Lariboisière AP-HP, and INSERM Unité 1266 (C.A.), Paris, the Department of Neuroradiology, Nantes Université, CHU Nantes (R.B.), INSERM Unité Mixte de Recherche 1087, Centre National de la Recherche Scientifique, University of Nantes, L'institut du Thorax (R.B.), and Clinique Neurologique, Hôpital G.R. Laennec CHU Nantes (B. Guillon), Nantes, the Departments of Neurology (S.G.) and Neuroradiology (A.P.-P.), CHU d'Angers, Angers, the Departments of Neuroradiology (O.F.E.) and Neurology (T.-H.C.), Hospices Civils de Lyon, Groupement Hospitalier Est Hôpital Pierre Wertheimer, Lyon, the Departments of Neuroradiology (S.V.) and Neurology (M.L.), CHU Poitiers, Site de La Milétrie, Poitiers, the Stroke Unit (L. Suissa) and the Department of Neuroradiology (H.B.), Assistance Publique-Hôpitaux de Marseille, Hôpital de la Timone, Marseille, the Departments of Neuroradiology (J.-C.G.) and Neurology (S.T.), Centre Hospitalier Régional Universitaire (CHRU) Brest, Hôpital de la Cavale Blanche, Brest, the Departments of Neurology (C.L.) and Neuroradiology (C. Chivot), CHU Amiens-Picardie, Amiens, the Departments of Neurology (F.M.-M.) and Neuroradiology (C.M.), CHU Limoges, Dupuytren, Limoges, the Departments of Neurology (O.O.-W.) and Neuroradiology (C.P.), CHU Rouen, Rouen, the Departments of Neurology (V.W.) and Neuroradiology (R.P.), CHRU Strasbourg, Hôpitaux Universitaires de Strasbourg, Hôpital de Hautepierre, Strasbourg, the Departments of Neurology (A.F.) and Neuroradiology (E.C.), CHU Clermont-Ferrand, Hôpital Gabriel Montpied, Clermont-Ferrand, the Departments of Neuroradiology (F.R.) and Neurology (Y.B.), CHU Dijon-Bourgogne, Hôpital François Mitterrand, Dijon, and the Department of Neurology, Hôpital Foch, Suresnes (B.L.), and the Department of Neurology, Hôpital Gui de Chauliac, Montpellier (C.A.) - all in France; Cooper Neurological Institute and Cooper Medical School of Rowan University, Camden, NJ (T.G.J.); the Department of Neurology, Hospital Universitari de Bellvitge, L'Hospitalet de Llobregat (P.C.), and the Department of Neurology, Hospital Clínic de Barcelona (A.R.), Barcelona, the Department of Radiology, Hospital Universitario Central de Asturias, Oviedo (E.L.-C., P.V.), the Department of Neurology Hospital Germans Trias i Pujol, Badalona (M. Millán), Hospital Clínico Universitario de Valladolid, Valladolid (J.F. Arenillas), and the Department of Neurology, Hospital Universitario Cruces, Baracaldo (M.M.F.) - all in Spain; and the Department of Neurology, University of Southern California (N.S.), and the Department of Neurology, UCLA (D.S.L.) - both in Los Angeles.; Lamy C; From the Department of Neuroradiology, Hôpital Gui de Chauliac, Montpellier (V.C.), the Departments of Neurology (J.F. Albucher) and Neuroradiology (C. Cognard), Hôpital Pierre Paul Riquet, and Toulouse Clinical Investigations Centers 1436 (J.F. Albucher, C. Cognard), Toulouse, the Departments of Neurology (H.H.) and Neuroradiology (N.N.), Hôpital Salengro, and the Department of Biostatistics, Centre Hospitalier Universitaire (CHU) Lille (A.D., J.L.), Lille, the Department of Neuroradiology, Hôpital central, L'unité d'Imagerie Adaptative Diagnostique et Interventionnelle, INSERM Unité 1254 (B. Gory), and the Department of Neurology, Hôpital central, Centre d'investigation clinique Plurithématique 1433, INSERM Unité 1116 (S.R.), Nancy, the Departments of Neuroradiology (G.M.) and Neurology (I.S.), Hôpital Pellegrin, Bordeaux, the Department of Neuroradiology, Hôpital Foch, Suresnes (F.D.M.), the Departments of Neurology (M.A.) and Neuroradiology (G.B.), Hôpital Bretonneau, Tours, the Departments of Neurology (M.O.) and Neuroradiology (M.P.), Hôpital Fondation Adolphe de Rothschild, the Departments of Neurology (G.T.) and Neuroradiology (O.N.), Groupe Hospitalier Universitaire Paris, Centre Hospitalier Sainte-Anne, INSERM Unité 1266, the Departments of Neuroradiology (F.C.) and Neurology (S.A.), Hôpital La Pitié-Salpêtrière, Assistance Publique-Hôpitaux de Paris (AP-HP), the Departments of Neuroradiology (L. Spelle) and Neurology (C.D.), Hôpital Bicêtre, AP-HP, the Departments of Neurology (M. Mazighi) and Neuroradiology (E.H.), Hôpital Lariboisière AP-HP, and INSERM Unité 1266 (C.A.), Paris, the Department of Neuroradiology, Nantes Université, CHU Nantes (R.B.), INSERM Unité Mixte de Recherche 1087, Centre National de la Recherche Scientifique, University of Nantes, L'institut du Thorax (R.B.), and Clinique Neurologique, Hôpital G.R. Laennec CHU Nantes (B. Guillon), Nantes, the Departments of Neurology (S.G.) and Neuroradiology (A.P.-P.), CHU d'Angers, Angers, the Departments of Neuroradiology (O.F.E.) and Neurology (T.-H.C.), Hospices Civils de Lyon, Groupement Hospitalier Est Hôpital Pierre Wertheimer, Lyon, the Departments of Neuroradiology (S.V.) and Neurology (M.L.), CHU Poitiers, Site de La Milétrie, Poitiers, the Stroke Unit (L. Suissa) and the Department of Neuroradiology (H.B.), Assistance Publique-Hôpitaux de Marseille, Hôpital de la Timone, Marseille, the Departments of Neuroradiology (J.-C.G.) and Neurology (S.T.), Centre Hospitalier Régional Universitaire (CHRU) Brest, Hôpital de la Cavale Blanche, Brest, the Departments of Neurology (C.L.) and Neuroradiology (C. Chivot), CHU Amiens-Picardie, Amiens, the Departments of Neurology (F.M.-M.) and Neuroradiology (C.M.), CHU Limoges, Dupuytren, Limoges, the Departments of Neurology (O.O.-W.) and Neuroradiology (C.P.), CHU Rouen, Rouen, the Departments of Neurology (V.W.) and Neuroradiology (R.P.), CHRU Strasbourg, Hôpitaux Universitaires de Strasbourg, Hôpital de Hautepierre, Strasbourg, the Departments of Neurology (A.F.) and Neuroradiology (E.C.), CHU Clermont-Ferrand, Hôpital Gabriel Montpied, Clermont-Ferrand, the Departments of Neuroradiology (F.R.) and Neurology (Y.B.), CHU Dijon-Bourgogne, Hôpital François Mitterrand, Dijon, and the Department of Neurology, Hôpital Foch, Suresnes (B.L.), and the Department of Neurology, Hôpital Gui de Chauliac, Montpellier (C.A.) - all in France; Cooper Neurological Institute and Cooper Medical School of Rowan University, Camden, NJ (T.G.J.); the Department of Neurology, Hospital Universitari de Bellvitge, L'Hospitalet de Llobregat (P.C.), and the Department of Neurology, Hospital Clínic de Barcelona (A.R.), Barcelona, the Department of Radiology, Hospital Universitario Central de Asturias, Oviedo (E.L.-C., P.V.), the Department of Neurology Hospital Germans Trias i Pujol, Badalona (M. Millán), Hospital Clínico Universitario de Valladolid, Valladolid (J.F. Arenillas), and the Department of Neurology, Hospital Universitario Cruces, Baracaldo (M.M.F.) - all in Spain; and the Department of Neurology, University of Southern California (N.S.), and the Department of Neurology, UCLA (D.S.L.) - both in Los Angeles.; Chivot C; From the Department of Neuroradiology, Hôpital Gui de Chauliac, Montpellier (V.C.), the Departments of Neurology (J.F. Albucher) and Neuroradiology (C. Cognard), Hôpital Pierre Paul Riquet, and Toulouse Clinical Investigations Centers 1436 (J.F. Albucher, C. Cognard), Toulouse, the Departments of Neurology (H.H.) and Neuroradiology (N.N.), Hôpital Salengro, and the Department of Biostatistics, Centre Hospitalier Universitaire (CHU) Lille (A.D., J.L.), Lille, the Department of Neuroradiology, Hôpital central, L'unité d'Imagerie Adaptative Diagnostique et Interventionnelle, INSERM Unité 1254 (B. Gory), and the Department of Neurology, Hôpital central, Centre d'investigation clinique Plurithématique 1433, INSERM Unité 1116 (S.R.), Nancy, the Departments of Neuroradiology (G.M.) and Neurology (I.S.), Hôpital Pellegrin, Bordeaux, the Department of Neuroradiology, Hôpital Foch, Suresnes (F.D.M.), the Departments of Neurology (M.A.) and Neuroradiology (G.B.), Hôpital Bretonneau, Tours, the Departments of Neurology (M.O.) and Neuroradiology (M.P.), Hôpital Fondation Adolphe de Rothschild, the Departments of Neurology (G.T.) and Neuroradiology (O.N.), Groupe Hospitalier Universitaire Paris, Centre Hospitalier Sainte-Anne, INSERM Unité 1266, the Departments of Neuroradiology (F.C.) and Neurology (S.A.), Hôpital La Pitié-Salpêtrière, Assistance Publique-Hôpitaux de Paris (AP-HP), the Departments of Neuroradiology (L. Spelle) and Neurology (C.D.), Hôpital Bicêtre, AP-HP, the Departments of Neurology (M. Mazighi) and Neuroradiology (E.H.), Hôpital Lariboisière AP-HP, and INSERM Unité 1266 (C.A.), Paris, the Department of Neuroradiology, Nantes Université, CHU Nantes (R.B.), INSERM Unité Mixte de Recherche 1087, Centre National de la Recherche Scientifique, University of Nantes, L'institut du Thorax (R.B.), and Clinique Neurologique, Hôpital G.R. Laennec CHU Nantes (B. Guillon), Nantes, the Departments of Neurology (S.G.) and Neuroradiology (A.P.-P.), CHU d'Angers, Angers, the Departments of Neuroradiology (O.F.E.) and Neurology (T.-H.C.), Hospices Civils de Lyon, Groupement Hospitalier Est Hôpital Pierre Wertheimer, Lyon, the Departments of Neuroradiology (S.V.) and Neurology (M.L.), CHU Poitiers, Site de La Milétrie, Poitiers, the Stroke Unit (L. Suissa) and the Department of Neuroradiology (H.B.), Assistance Publique-Hôpitaux de Marseille, Hôpital de la Timone, Marseille, the Departments of Neuroradiology (J.-C.G.) and Neurology (S.T.), Centre Hospitalier Régional Universitaire (CHRU) Brest, Hôpital de la Cavale Blanche, Brest, the Departments of Neurology (C.L.) and Neuroradiology (C. Chivot), CHU Amiens-Picardie, Amiens, the Departments of Neurology (F.M.-M.) and Neuroradiology (C.M.), CHU Limoges, Dupuytren, Limoges, the Departments of Neurology (O.O.-W.) and Neuroradiology (C.P.), CHU Rouen, Rouen, the Departments of Neurology (V.W.) and Neuroradiology (R.P.), CHRU Strasbourg, Hôpitaux Universitaires de Strasbourg, Hôpital de Hautepierre, Strasbourg, the Departments of Neurology (A.F.) and Neuroradiology (E.C.), CHU Clermont-Ferrand, Hôpital Gabriel Montpied, Clermont-Ferrand, the Departments of Neuroradiology (F.R.) and Neurology (Y.B.), CHU Dijon-Bourgogne, Hôpital François Mitterrand, Dijon, and the Department of Neurology, Hôpital Foch, Suresnes (B.L.), and the Department of Neurology, Hôpital Gui de Chauliac, Montpellier (C.A.) - all in France; Cooper Neurological Institute and Cooper Medical School of Rowan University, Camden, NJ (T.G.J.); the Department of Neurology, Hospital Universitari de Bellvitge, L'Hospitalet de Llobregat (P.C.), and the Department of Neurology, Hospital Clínic de Barcelona (A.R.), Barcelona, the Department of Radiology, Hospital Universitario Central de Asturias, Oviedo (E.L.-C., P.V.), the Department of Neurology Hospital Germans Trias i Pujol, Badalona (M. Millán), Hospital Clínico Universitario de Valladolid, Valladolid (J.F. Arenillas), and the Department of Neurology, Hospital Universitario Cruces, Baracaldo (M.M.F.) - all in Spain; and the Department of Neurology, University of Southern California (N.S.), and the Department of Neurology, UCLA (D.S.L.) - both in Los Angeles.; Macian-Montoro F; From the Department of Neuroradiology, Hôpital Gui de Chauliac, Montpellier (V.C.), the Departments of Neurology (J.F. Albucher) and Neuroradiology (C. Cognard), Hôpital Pierre Paul Riquet, and Toulouse Clinical Investigations Centers 1436 (J.F. Albucher, C. Cognard), Toulouse, the Departments of Neurology (H.H.) and Neuroradiology (N.N.), Hôpital Salengro, and the Department of Biostatistics, Centre Hospitalier Universitaire (CHU) Lille (A.D., J.L.), Lille, the Department of Neuroradiology, Hôpital central, L'unité d'Imagerie Adaptative Diagnostique et Interventionnelle, INSERM Unité 1254 (B. Gory), and the Department of Neurology, Hôpital central, Centre d'investigation clinique Plurithématique 1433, INSERM Unité 1116 (S.R.), Nancy, the Departments of Neuroradiology (G.M.) and Neurology (I.S.), Hôpital Pellegrin, Bordeaux, the Department of Neuroradiology, Hôpital Foch, Suresnes (F.D.M.), the Departments of Neurology (M.A.) and Neuroradiology (G.B.), Hôpital Bretonneau, Tours, the Departments of Neurology (M.O.) and Neuroradiology (M.P.), Hôpital Fondation Adolphe de Rothschild, the Departments of Neurology (G.T.) and Neuroradiology (O.N.), Groupe Hospitalier Universitaire Paris, Centre Hospitalier Sainte-Anne, INSERM Unité 1266, the Departments of Neuroradiology (F.C.) and Neurology (S.A.), Hôpital La Pitié-Salpêtrière, Assistance Publique-Hôpitaux de Paris (AP-HP), the Departments of Neuroradiology (L. Spelle) and Neurology (C.D.), Hôpital Bicêtre, AP-HP, the Departments of Neurology (M. Mazighi) and Neuroradiology (E.H.), Hôpital Lariboisière AP-HP, and INSERM Unité 1266 (C.A.), Paris, the Department of Neuroradiology, Nantes Université, CHU Nantes (R.B.), INSERM Unité Mixte de Recherche 1087, Centre National de la Recherche Scientifique, University of Nantes, L'institut du Thorax (R.B.), and Clinique Neurologique, Hôpital G.R. Laennec CHU Nantes (B. Guillon), Nantes, the Departments of Neurology (S.G.) and Neuroradiology (A.P.-P.), CHU d'Angers, Angers, the Departments of Neuroradiology (O.F.E.) and Neurology (T.-H.C.), Hospices Civils de Lyon, Groupement Hospitalier Est Hôpital Pierre Wertheimer, Lyon, the Departments of Neuroradiology (S.V.) and Neurology (M.L.), CHU Poitiers, Site de La Milétrie, Poitiers, the Stroke Unit (L. Suissa) and the Department of Neuroradiology (H.B.), Assistance Publique-Hôpitaux de Marseille, Hôpital de la Timone, Marseille, the Departments of Neuroradiology (J.-C.G.) and Neurology (S.T.), Centre Hospitalier Régional Universitaire (CHRU) Brest, Hôpital de la Cavale Blanche, Brest, the Departments of Neurology (C.L.) and Neuroradiology (C. Chivot), CHU Amiens-Picardie, Amiens, the Departments of Neurology (F.M.-M.) and Neuroradiology (C.M.), CHU Limoges, Dupuytren, Limoges, the Departments of Neurology (O.O.-W.) and Neuroradiology (C.P.), CHU Rouen, Rouen, the Departments of Neurology (V.W.) and Neuroradiology (R.P.), CHRU Strasbourg, Hôpitaux Universitaires de Strasbourg, Hôpital de Hautepierre, Strasbourg, the Departments of Neurology (A.F.) and Neuroradiology (E.C.), CHU Clermont-Ferrand, Hôpital Gabriel Montpied, Clermont-Ferrand, the Departments of Neuroradiology (F.R.) and Neurology (Y.B.), CHU Dijon-Bourgogne, Hôpital François Mitterrand, Dijon, and the Department of Neurology, Hôpital Foch, Suresnes (B.L.), and the Department of Neurology, Hôpital Gui de Chauliac, Montpellier (C.A.) - all in France; Cooper Neurological Institute and Cooper Medical School of Rowan University, Camden, NJ (T.G.J.); the Department of Neurology, Hospital Universitari de Bellvitge, L'Hospitalet de Llobregat (P.C.), and the Department of Neurology, Hospital Clínic de Barcelona (A.R.), Barcelona, the Department of Radiology, Hospital Universitario Central de Asturias, Oviedo (E.L.-C., P.V.), the Department of Neurology Hospital Germans Trias i Pujol, Badalona (M. Millán), Hospital Clínico Universitario de Valladolid, Valladolid (J.F. Arenillas), and the Department of Neurology, Hospital Universitario Cruces, Baracaldo (M.M.F.) - all in Spain; and the Department of Neurology, University of Southern California (N.S.), and the Department of Neurology, UCLA (D.S.L.) - both in Los Angeles.; Mounayer C; From the Department of Neuroradiology, Hôpital Gui de Chauliac, Montpellier (V.C.), the Departments of Neurology (J.F. Albucher) and Neuroradiology (C. Cognard), Hôpital Pierre Paul Riquet, and Toulouse Clinical Investigations Centers 1436 (J.F. Albucher, C. Cognard), Toulouse, the Departments of Neurology (H.H.) and Neuroradiology (N.N.), Hôpital Salengro, and the Department of Biostatistics, Centre Hospitalier Universitaire (CHU) Lille (A.D., J.L.), Lille, the Department of Neuroradiology, Hôpital central, L'unité d'Imagerie Adaptative Diagnostique et Interventionnelle, INSERM Unité 1254 (B. Gory), and the Department of Neurology, Hôpital central, Centre d'investigation clinique Plurithématique 1433, INSERM Unité 1116 (S.R.), Nancy, the Departments of Neuroradiology (G.M.) and Neurology (I.S.), Hôpital Pellegrin, Bordeaux, the Department of Neuroradiology, Hôpital Foch, Suresnes (F.D.M.), the Departments of Neurology (M.A.) and Neuroradiology (G.B.), Hôpital Bretonneau, Tours, the Departments of Neurology (M.O.) and Neuroradiology (M.P.), Hôpital Fondation Adolphe de Rothschild, the Departments of Neurology (G.T.) and Neuroradiology (O.N.), Groupe Hospitalier Universitaire Paris, Centre Hospitalier Sainte-Anne, INSERM Unité 1266, the Departments of Neuroradiology (F.C.) and Neurology (S.A.), Hôpital La Pitié-Salpêtrière, Assistance Publique-Hôpitaux de Paris (AP-HP), the Departments of Neuroradiology (L. Spelle) and Neurology (C.D.), Hôpital Bicêtre, AP-HP, the Departments of Neurology (M. Mazighi) and Neuroradiology (E.H.), Hôpital Lariboisière AP-HP, and INSERM Unité 1266 (C.A.), Paris, the Department of Neuroradiology, Nantes Université, CHU Nantes (R.B.), INSERM Unité Mixte de Recherche 1087, Centre National de la Recherche Scientifique, University of Nantes, L'institut du Thorax (R.B.), and Clinique Neurologique, Hôpital G.R. Laennec CHU Nantes (B. Guillon), Nantes, the Departments of Neurology (S.G.) and Neuroradiology (A.P.-P.), CHU d'Angers, Angers, the Departments of Neuroradiology (O.F.E.) and Neurology (T.-H.C.), Hospices Civils de Lyon, Groupement Hospitalier Est Hôpital Pierre Wertheimer, Lyon, the Departments of Neuroradiology (S.V.) and Neurology (M.L.), CHU Poitiers, Site de La Milétrie, Poitiers, the Stroke Unit (L. Suissa) and the Department of Neuroradiology (H.B.), Assistance Publique-Hôpitaux de Marseille, Hôpital de la Timone, Marseille, the Departments of Neuroradiology (J.-C.G.) and Neurology (S.T.), Centre Hospitalier Régional Universitaire (CHRU) Brest, Hôpital de la Cavale Blanche, Brest, the Departments of Neurology (C.L.) and Neuroradiology (C. Chivot), CHU Amiens-Picardie, Amiens, the Departments of Neurology (F.M.-M.) and Neuroradiology (C.M.), CHU Limoges, Dupuytren, Limoges, the Departments of Neurology (O.O.-W.) and Neuroradiology (C.P.), CHU Rouen, Rouen, the Departments of Neurology (V.W.) and Neuroradiology (R.P.), CHRU Strasbourg, Hôpitaux Universitaires de Strasbourg, Hôpital de Hautepierre, Strasbourg, the Departments of Neurology (A.F.) and Neuroradiology (E.C.), CHU Clermont-Ferrand, Hôpital Gabriel Montpied, Clermont-Ferrand, the Departments of Neuroradiology (F.R.) and Neurology (Y.B.), CHU Dijon-Bourgogne, Hôpital François Mitterrand, Dijon, and the Department of Neurology, Hôpital Foch, Suresnes (B.L.), and the Department of Neurology, Hôpital Gui de Chauliac, Montpellier (C.A.) - all in France; Cooper Neurological Institute and Cooper Medical School of Rowan University, Camden, NJ (T.G.J.); the Department of Neurology, Hospital Universitari de Bellvitge, L'Hospitalet de Llobregat (P.C.), and the Department of Neurology, Hospital Clínic de Barcelona (A.R.), Barcelona, the Department of Radiology, Hospital Universitario Central de Asturias, Oviedo (E.L.-C., P.V.), the Department of Neurology Hospital Germans Trias i Pujol, Badalona (M. Millán), Hospital Clínico Universitario de Valladolid, Valladolid (J.F. Arenillas), and the Department of Neurology, Hospital Universitario Cruces, Baracaldo (M.M.F.) - all in Spain; and the Department of Neurology, University of Southern California (N.S.), and the Department of Neurology, UCLA (D.S.L.) - both in Los Angeles.; Ozkul-Wermester O; From the Department of Neuroradiology, Hôpital Gui de Chauliac, Montpellier (V.C.), the Departments of Neurology (J.F. Albucher) and Neuroradiology (C. Cognard), Hôpital Pierre Paul Riquet, and Toulouse Clinical Investigations Centers 1436 (J.F. Albucher, C. Cognard), Toulouse, the Departments of Neurology (H.H.) and Neuroradiology (N.N.), Hôpital Salengro, and the Department of Biostatistics, Centre Hospitalier Universitaire (CHU) Lille (A.D., J.L.), Lille, the Department of Neuroradiology, Hôpital central, L'unité d'Imagerie Adaptative Diagnostique et Interventionnelle, INSERM Unité 1254 (B. Gory), and the Department of Neurology, Hôpital central, Centre d'investigation clinique Plurithématique 1433, INSERM Unité 1116 (S.R.), Nancy, the Departments of Neuroradiology (G.M.) and Neurology (I.S.), Hôpital Pellegrin, Bordeaux, the Department of Neuroradiology, Hôpital Foch, Suresnes (F.D.M.), the Departments of Neurology (M.A.) and Neuroradiology (G.B.), Hôpital Bretonneau, Tours, the Departments of Neurology (M.O.) and Neuroradiology (M.P.), Hôpital Fondation Adolphe de Rothschild, the Departments of Neurology (G.T.) and Neuroradiology (O.N.), Groupe Hospitalier Universitaire Paris, Centre Hospitalier Sainte-Anne, INSERM Unité 1266, the Departments of Neuroradiology (F.C.) and Neurology (S.A.), Hôpital La Pitié-Salpêtrière, Assistance Publique-Hôpitaux de Paris (AP-HP), the Departments of Neuroradiology (L. Spelle) and Neurology (C.D.), Hôpital Bicêtre, AP-HP, the Departments of Neurology (M. Mazighi) and Neuroradiology (E.H.), Hôpital Lariboisière AP-HP, and INSERM Unité 1266 (C.A.), Paris, the Department of Neuroradiology, Nantes Université, CHU Nantes (R.B.), INSERM Unité Mixte de Recherche 1087, Centre National de la Recherche Scientifique, University of Nantes, L'institut du Thorax (R.B.), and Clinique Neurologique, Hôpital G.R. Laennec CHU Nantes (B. Guillon), Nantes, the Departments of Neurology (S.G.) and Neuroradiology (A.P.-P.), CHU d'Angers, Angers, the Departments of Neuroradiology (O.F.E.) and Neurology (T.-H.C.), Hospices Civils de Lyon, Groupement Hospitalier Est Hôpital Pierre Wertheimer, Lyon, the Departments of Neuroradiology (S.V.) and Neurology (M.L.), CHU Poitiers, Site de La Milétrie, Poitiers, the Stroke Unit (L. Suissa) and the Department of Neuroradiology (H.B.), Assistance Publique-Hôpitaux de Marseille, Hôpital de la Timone, Marseille, the Departments of Neuroradiology (J.-C.G.) and Neurology (S.T.), Centre Hospitalier Régional Universitaire (CHRU) Brest, Hôpital de la Cavale Blanche, Brest, the Departments of Neurology (C.L.) and Neuroradiology (C. Chivot), CHU Amiens-Picardie, Amiens, the Departments of Neurology (F.M.-M.) and Neuroradiology (C.M.), CHU Limoges, Dupuytren, Limoges, the Departments of Neurology (O.O.-W.) and Neuroradiology (C.P.), CHU Rouen, Rouen, the Departments of Neurology (V.W.) and Neuroradiology (R.P.), CHRU Strasbourg, Hôpitaux Universitaires de Strasbourg, Hôpital de Hautepierre, Strasbourg, the Departments of Neurology (A.F.) and Neuroradiology (E.C.), CHU Clermont-Ferrand, Hôpital Gabriel Montpied, Clermont-Ferrand, the Departments of Neuroradiology (F.R.) and Neurology (Y.B.), CHU Dijon-Bourgogne, Hôpital François Mitterrand, Dijon, and the Department of Neurology, Hôpital Foch, Suresnes (B.L.), and the Department of Neurology, Hôpital Gui de Chauliac, Montpellier (C.A.) - all in France; Cooper Neurological Institute and Cooper Medical School of Rowan University, Camden, NJ (T.G.J.); the Department of Neurology, Hospital Universitari de Bellvitge, L'Hospitalet de Llobregat (P.C.), and the Department of Neurology, Hospital Clínic de Barcelona (A.R.), Barcelona, the Department of Radiology, Hospital Universitario Central de Asturias, Oviedo (E.L.-C., P.V.), the Department of Neurology Hospital Germans Trias i Pujol, Badalona (M. Millán), Hospital Clínico Universitario de Valladolid, Valladolid (J.F. Arenillas), and the Department of Neurology, Hospital Universitario Cruces, Baracaldo (M.M.F.) - all in Spain; and the Department of Neurology, University of Southern California (N.S.), and the Department of Neurology, UCLA (D.S.L.) - both in Los Angeles.; Papagiannaki C; From the Department of Neuroradiology, Hôpital Gui de Chauliac, Montpellier (V.C.), the Departments of Neurology (J.F. Albucher) and Neuroradiology (C. Cognard), Hôpital Pierre Paul Riquet, and Toulouse Clinical Investigations Centers 1436 (J.F. Albucher, C. Cognard), Toulouse, the Departments of Neurology (H.H.) and Neuroradiology (N.N.), Hôpital Salengro, and the Department of Biostatistics, Centre Hospitalier Universitaire (CHU) Lille (A.D., J.L.), Lille, the Department of Neuroradiology, Hôpital central, L'unité d'Imagerie Adaptative Diagnostique et Interventionnelle, INSERM Unité 1254 (B. Gory), and the Department of Neurology, Hôpital central, Centre d'investigation clinique Plurithématique 1433, INSERM Unité 1116 (S.R.), Nancy, the Departments of Neuroradiology (G.M.) and Neurology (I.S.), Hôpital Pellegrin, Bordeaux, the Department of Neuroradiology, Hôpital Foch, Suresnes (F.D.M.), the Departments of Neurology (M.A.) and Neuroradiology (G.B.), Hôpital Bretonneau, Tours, the Departments of Neurology (M.O.) and Neuroradiology (M.P.), Hôpital Fondation Adolphe de Rothschild, the Departments of Neurology (G.T.) and Neuroradiology (O.N.), Groupe Hospitalier Universitaire Paris, Centre Hospitalier Sainte-Anne, INSERM Unité 1266, the Departments of Neuroradiology (F.C.) and Neurology (S.A.), Hôpital La Pitié-Salpêtrière, Assistance Publique-Hôpitaux de Paris (AP-HP), the Departments of Neuroradiology (L. Spelle) and Neurology (C.D.), Hôpital Bicêtre, AP-HP, the Departments of Neurology (M. Mazighi) and Neuroradiology (E.H.), Hôpital Lariboisière AP-HP, and INSERM Unité 1266 (C.A.), Paris, the Department of Neuroradiology, Nantes Université, CHU Nantes (R.B.), INSERM Unité Mixte de Recherche 1087, Centre National de la Recherche Scientifique, University of Nantes, L'institut du Thorax (R.B.), and Clinique Neurologique, Hôpital G.R. Laennec CHU Nantes (B. Guillon), Nantes, the Departments of Neurology (S.G.) and Neuroradiology (A.P.-P.), CHU d'Angers, Angers, the Departments of Neuroradiology (O.F.E.) and Neurology (T.-H.C.), Hospices Civils de Lyon, Groupement Hospitalier Est Hôpital Pierre Wertheimer, Lyon, the Departments of Neuroradiology (S.V.) and Neurology (M.L.), CHU Poitiers, Site de La Milétrie, Poitiers, the Stroke Unit (L. Suissa) and the Department of Neuroradiology (H.B.), Assistance Publique-Hôpitaux de Marseille, Hôpital de la Timone, Marseille, the Departments of Neuroradiology (J.-C.G.) and Neurology (S.T.), Centre Hospitalier Régional Universitaire (CHRU) Brest, Hôpital de la Cavale Blanche, Brest, the Departments of Neurology (C.L.) and Neuroradiology (C. Chivot), CHU Amiens-Picardie, Amiens, the Departments of Neurology (F.M.-M.) and Neuroradiology (C.M.), CHU Limoges, Dupuytren, Limoges, the Departments of Neurology (O.O.-W.) and Neuroradiology (C.P.), CHU Rouen, Rouen, the Departments of Neurology (V.W.) and Neuroradiology (R.P.), CHRU Strasbourg, Hôpitaux Universitaires de Strasbourg, Hôpital de Hautepierre, Strasbourg, the Departments of Neurology (A.F.) and Neuroradiology (E.C.), CHU Clermont-Ferrand, Hôpital Gabriel Montpied, Clermont-Ferrand, the Departments of Neuroradiology (F.R.) and Neurology (Y.B.), CHU Dijon-Bourgogne, Hôpital François Mitterrand, Dijon, and the Department of Neurology, Hôpital Foch, Suresnes (B.L.), and the Department of Neurology, Hôpital Gui de Chauliac, Montpellier (C.A.) - all in France; Cooper Neurological Institute and Cooper Medical School of Rowan University, Camden, NJ (T.G.J.); the Department of Neurology, Hospital Universitari de Bellvitge, L'Hospitalet de Llobregat (P.C.), and the Department of Neurology, Hospital Clínic de Barcelona (A.R.), Barcelona, the Department of Radiology, Hospital Universitario Central de Asturias, Oviedo (E.L.-C., P.V.), the Department of Neurology Hospital Germans Trias i Pujol, Badalona (M. Millán), Hospital Clínico Universitario de Valladolid, Valladolid (J.F. Arenillas), and the Department of Neurology, Hospital Universitario Cruces, Baracaldo (M.M.F.) - all in Spain; and the Department of Neurology, University of Southern California (N.S.), and the Department of Neurology, UCLA (D.S.L.) - both in Los Angeles.; Wolff V; From the Department of Neuroradiology, Hôpital Gui de Chauliac, Montpellier (V.C.), the Departments of Neurology (J.F. Albucher) and Neuroradiology (C. Cognard), Hôpital Pierre Paul Riquet, and Toulouse Clinical Investigations Centers 1436 (J.F. Albucher, C. Cognard), Toulouse, the Departments of Neurology (H.H.) and Neuroradiology (N.N.), Hôpital Salengro, and the Department of Biostatistics, Centre Hospitalier Universitaire (CHU) Lille (A.D., J.L.), Lille, the Department of Neuroradiology, Hôpital central, L'unité d'Imagerie Adaptative Diagnostique et Interventionnelle, INSERM Unité 1254 (B. Gory), and the Department of Neurology, Hôpital central, Centre d'investigation clinique Plurithématique 1433, INSERM Unité 1116 (S.R.), Nancy, the Departments of Neuroradiology (G.M.) and Neurology (I.S.), Hôpital Pellegrin, Bordeaux, the Department of Neuroradiology, Hôpital Foch, Suresnes (F.D.M.), the Departments of Neurology (M.A.) and Neuroradiology (G.B.), Hôpital Bretonneau, Tours, the Departments of Neurology (M.O.) and Neuroradiology (M.P.), Hôpital Fondation Adolphe de Rothschild, the Departments of Neurology (G.T.) and Neuroradiology (O.N.), Groupe Hospitalier Universitaire Paris, Centre Hospitalier Sainte-Anne, INSERM Unité 1266, the Departments of Neuroradiology (F.C.) and Neurology (S.A.), Hôpital La Pitié-Salpêtrière, Assistance Publique-Hôpitaux de Paris (AP-HP), the Departments of Neuroradiology (L. Spelle) and Neurology (C.D.), Hôpital Bicêtre, AP-HP, the Departments of Neurology (M. Mazighi) and Neuroradiology (E.H.), Hôpital Lariboisière AP-HP, and INSERM Unité 1266 (C.A.), Paris, the Department of Neuroradiology, Nantes Université, CHU Nantes (R.B.), INSERM Unité Mixte de Recherche 1087, Centre National de la Recherche Scientifique, University of Nantes, L'institut du Thorax (R.B.), and Clinique Neurologique, Hôpital G.R. Laennec CHU Nantes (B. Guillon), Nantes, the Departments of Neurology (S.G.) and Neuroradiology (A.P.-P.), CHU d'Angers, Angers, the Departments of Neuroradiology (O.F.E.) and Neurology (T.-H.C.), Hospices Civils de Lyon, Groupement Hospitalier Est Hôpital Pierre Wertheimer, Lyon, the Departments of Neuroradiology (S.V.) and Neurology (M.L.), CHU Poitiers, Site de La Milétrie, Poitiers, the Stroke Unit (L. Suissa) and the Department of Neuroradiology (H.B.), Assistance Publique-Hôpitaux de Marseille, Hôpital de la Timone, Marseille, the Departments of Neuroradiology (J.-C.G.) and Neurology (S.T.), Centre Hospitalier Régional Universitaire (CHRU) Brest, Hôpital de la Cavale Blanche, Brest, the Departments of Neurology (C.L.) and Neuroradiology (C. Chivot), CHU Amiens-Picardie, Amiens, the Departments of Neurology (F.M.-M.) and Neuroradiology (C.M.), CHU Limoges, Dupuytren, Limoges, the Departments of Neurology (O.O.-W.) and Neuroradiology (C.P.), CHU Rouen, Rouen, the Departments of Neurology (V.W.) and Neuroradiology (R.P.), CHRU Strasbourg, Hôpitaux Universitaires de Strasbourg, Hôpital de Hautepierre, Strasbourg, the Departments of Neurology (A.F.) and Neuroradiology (E.C.), CHU Clermont-Ferrand, Hôpital Gabriel Montpied, Clermont-Ferrand, the Departments of Neuroradiology (F.R.) and Neurology (Y.B.), CHU Dijon-Bourgogne, Hôpital François Mitterrand, Dijon, and the Department of Neurology, Hôpital Foch, Suresnes (B.L.), and the Department of Neurology, Hôpital Gui de Chauliac, Montpellier (C.A.) - all in France; Cooper Neurological Institute and Cooper Medical School of Rowan University, Camden, NJ (T.G.J.); the Department of Neurology, Hospital Universitari de Bellvitge, L'Hospitalet de Llobregat (P.C.), and the Department of Neurology, Hospital Clínic de Barcelona (A.R.), Barcelona, the Department of Radiology, Hospital Universitario Central de Asturias, Oviedo (E.L.-C., P.V.), the Department of Neurology Hospital Germans Trias i Pujol, Badalona (M. Millán), Hospital Clínico Universitario de Valladolid, Valladolid (J.F. Arenillas), and the Department of Neurology, Hospital Universitario Cruces, Baracaldo (M.M.F.) - all in Spain; and the Department of Neurology, University of Southern California (N.S.), and the Department of Neurology, UCLA (D.S.L.) - both in Los Angeles.; Pop R; From the Department of Neuroradiology, Hôpital Gui de Chauliac, Montpellier (V.C.), the Departments of Neurology (J.F. Albucher) and Neuroradiology (C. Cognard), Hôpital Pierre Paul Riquet, and Toulouse Clinical Investigations Centers 1436 (J.F. Albucher, C. Cognard), Toulouse, the Departments of Neurology (H.H.) and Neuroradiology (N.N.), Hôpital Salengro, and the Department of Biostatistics, Centre Hospitalier Universitaire (CHU) Lille (A.D., J.L.), Lille, the Department of Neuroradiology, Hôpital central, L'unité d'Imagerie Adaptative Diagnostique et Interventionnelle, INSERM Unité 1254 (B. Gory), and the Department of Neurology, Hôpital central, Centre d'investigation clinique Plurithématique 1433, INSERM Unité 1116 (S.R.), Nancy, the Departments of Neuroradiology (G.M.) and Neurology (I.S.), Hôpital Pellegrin, Bordeaux, the Department of Neuroradiology, Hôpital Foch, Suresnes (F.D.M.), the Departments of Neurology (M.A.) and Neuroradiology (G.B.), Hôpital Bretonneau, Tours, the Departments of Neurology (M.O.) and Neuroradiology (M.P.), Hôpital Fondation Adolphe de Rothschild, the Departments of Neurology (G.T.) and Neuroradiology (O.N.), Groupe Hospitalier Universitaire Paris, Centre Hospitalier Sainte-Anne, INSERM Unité 1266, the Departments of Neuroradiology (F.C.) and Neurology (S.A.), Hôpital La Pitié-Salpêtrière, Assistance Publique-Hôpitaux de Paris (AP-HP), the Departments of Neuroradiology (L. Spelle) and Neurology (C.D.), Hôpital Bicêtre, AP-HP, the Departments of Neurology (M. Mazighi) and Neuroradiology (E.H.), Hôpital Lariboisière AP-HP, and INSERM Unité 1266 (C.A.), Paris, the Department of Neuroradiology, Nantes Université, CHU Nantes (R.B.), INSERM Unité Mixte de Recherche 1087, Centre National de la Recherche Scientifique, University of Nantes, L'institut du Thorax (R.B.), and Clinique Neurologique, Hôpital G.R. Laennec CHU Nantes (B. Guillon), Nantes, the Departments of Neurology (S.G.) and Neuroradiology (A.P.-P.), CHU d'Angers, Angers, the Departments of Neuroradiology (O.F.E.) and Neurology (T.-H.C.), Hospices Civils de Lyon, Groupement Hospitalier Est Hôpital Pierre Wertheimer, Lyon, the Departments of Neuroradiology (S.V.) and Neurology (M.L.), CHU Poitiers, Site de La Milétrie, Poitiers, the Stroke Unit (L. Suissa) and the Department of Neuroradiology (H.B.), Assistance Publique-Hôpitaux de Marseille, Hôpital de la Timone, Marseille, the Departments of Neuroradiology (J.-C.G.) and Neurology (S.T.), Centre Hospitalier Régional Universitaire (CHRU) Brest, Hôpital de la Cavale Blanche, Brest, the Departments of Neurology (C.L.) and Neuroradiology (C. Chivot), CHU Amiens-Picardie, Amiens, the Departments of Neurology (F.M.-M.) and Neuroradiology (C.M.), CHU Limoges, Dupuytren, Limoges, the Departments of Neurology (O.O.-W.) and Neuroradiology (C.P.), CHU Rouen, Rouen, the Departments of Neurology (V.W.) and Neuroradiology (R.P.), CHRU Strasbourg, Hôpitaux Universitaires de Strasbourg, Hôpital de Hautepierre, Strasbourg, the Departments of Neurology (A.F.) and Neuroradiology (E.C.), CHU Clermont-Ferrand, Hôpital Gabriel Montpied, Clermont-Ferrand, the Departments of Neuroradiology (F.R.) and Neurology (Y.B.), CHU Dijon-Bourgogne, Hôpital François Mitterrand, Dijon, and the Department of Neurology, Hôpital Foch, Suresnes (B.L.), and the Department of Neurology, Hôpital Gui de Chauliac, Montpellier (C.A.) - all in France; Cooper Neurological Institute and Cooper Medical School of Rowan University, Camden, NJ (T.G.J.); the Department of Neurology, Hospital Universitari de Bellvitge, L'Hospitalet de Llobregat (P.C.), and the Department of Neurology, Hospital Clínic de Barcelona (A.R.), Barcelona, the Department of Radiology, Hospital Universitario Central de Asturias, Oviedo (E.L.-C., P.V.), the Department of Neurology Hospital Germans Trias i Pujol, Badalona (M. Millán), Hospital Clínico Universitario de Valladolid, Valladolid (J.F. Arenillas), and the Department of Neurology, Hospital Universitario Cruces, Baracaldo (M.M.F.) - all in Spain; and the Department of Neurology, University of Southern California (N.S.), and the Department of Neurology, UCLA (D.S.L.) - both in Los Angeles.; Ferrier A; From the Department of Neuroradiology, Hôpital Gui de Chauliac, Montpellier (V.C.), the Departments of Neurology (J.F. Albucher) and Neuroradiology (C. Cognard), Hôpital Pierre Paul Riquet, and Toulouse Clinical Investigations Centers 1436 (J.F. Albucher, C. Cognard), Toulouse, the Departments of Neurology (H.H.) and Neuroradiology (N.N.), Hôpital Salengro, and the Department of Biostatistics, Centre Hospitalier Universitaire (CHU) Lille (A.D., J.L.), Lille, the Department of Neuroradiology, Hôpital central, L'unité d'Imagerie Adaptative Diagnostique et Interventionnelle, INSERM Unité 1254 (B. Gory), and the Department of Neurology, Hôpital central, Centre d'investigation clinique Plurithématique 1433, INSERM Unité 1116 (S.R.), Nancy, the Departments of Neuroradiology (G.M.) and Neurology (I.S.), Hôpital Pellegrin, Bordeaux, the Department of Neuroradiology, Hôpital Foch, Suresnes (F.D.M.), the Departments of Neurology (M.A.) and Neuroradiology (G.B.), Hôpital Bretonneau, Tours, the Departments of Neurology (M.O.) and Neuroradiology (M.P.), Hôpital Fondation Adolphe de Rothschild, the Departments of Neurology (G.T.) and Neuroradiology (O.N.), Groupe Hospitalier Universitaire Paris, Centre Hospitalier Sainte-Anne, INSERM Unité 1266, the Departments of Neuroradiology (F.C.) and Neurology (S.A.), Hôpital La Pitié-Salpêtrière, Assistance Publique-Hôpitaux de Paris (AP-HP), the Departments of Neuroradiology (L. Spelle) and Neurology (C.D.), Hôpital Bicêtre, AP-HP, the Departments of Neurology (M. Mazighi) and Neuroradiology (E.H.), Hôpital Lariboisière AP-HP, and INSERM Unité 1266 (C.A.), Paris, the Department of Neuroradiology, Nantes Université, CHU Nantes (R.B.), INSERM Unité Mixte de Recherche 1087, Centre National de la Recherche Scientifique, University of Nantes, L'institut du Thorax (R.B.), and Clinique Neurologique, Hôpital G.R. Laennec CHU Nantes (B. Guillon), Nantes, the Departments of Neurology (S.G.) and Neuroradiology (A.P.-P.), CHU d'Angers, Angers, the Departments of Neuroradiology (O.F.E.) and Neurology (T.-H.C.), Hospices Civils de Lyon, Groupement Hospitalier Est Hôpital Pierre Wertheimer, Lyon, the Departments of Neuroradiology (S.V.) and Neurology (M.L.), CHU Poitiers, Site de La Milétrie, Poitiers, the Stroke Unit (L. Suissa) and the Department of Neuroradiology (H.B.), Assistance Publique-Hôpitaux de Marseille, Hôpital de la Timone, Marseille, the Departments of Neuroradiology (J.-C.G.) and Neurology (S.T.), Centre Hospitalier Régional Universitaire (CHRU) Brest, Hôpital de la Cavale Blanche, Brest, the Departments of Neurology (C.L.) and Neuroradiology (C. Chivot), CHU Amiens-Picardie, Amiens, the Departments of Neurology (F.M.-M.) and Neuroradiology (C.M.), CHU Limoges, Dupuytren, Limoges, the Departments of Neurology (O.O.-W.) and Neuroradiology (C.P.), CHU Rouen, Rouen, the Departments of Neurology (V.W.) and Neuroradiology (R.P.), CHRU Strasbourg, Hôpitaux Universitaires de Strasbourg, Hôpital de Hautepierre, Strasbourg, the Departments of Neurology (A.F.) and Neuroradiology (E.C.), CHU Clermont-Ferrand, Hôpital Gabriel Montpied, Clermont-Ferrand, the Departments of Neuroradiology (F.R.) and Neurology (Y.B.), CHU Dijon-Bourgogne, Hôpital François Mitterrand, Dijon, and the Department of Neurology, Hôpital Foch, Suresnes (B.L.), and the Department of Neurology, Hôpital Gui de Chauliac, Montpellier (C.A.) - all in France; Cooper Neurological Institute and Cooper Medical School of Rowan University, Camden, NJ (T.G.J.); the Department of Neurology, Hospital Universitari de Bellvitge, L'Hospitalet de Llobregat (P.C.), and the Department of Neurology, Hospital Clínic de Barcelona (A.R.), Barcelona, the Department of Radiology, Hospital Universitario Central de Asturias, Oviedo (E.L.-C., P.V.), the Department of Neurology Hospital Germans Trias i Pujol, Badalona (M. Millán), Hospital Clínico Universitario de Valladolid, Valladolid (J.F. Arenillas), and the Department of Neurology, Hospital Universitario Cruces, Baracaldo (M.M.F.) - all in Spain; and the Department of Neurology, University of Southern California (N.S.), and the Department of Neurology, UCLA (D.S.L.) - both in Los Angeles.; Chabert E; From the Department of Neuroradiology, Hôpital Gui de Chauliac, Montpellier (V.C.), the Departments of Neurology (J.F. Albucher) and Neuroradiology (C. Cognard), Hôpital Pierre Paul Riquet, and Toulouse Clinical Investigations Centers 1436 (J.F. Albucher, C. Cognard), Toulouse, the Departments of Neurology (H.H.) and Neuroradiology (N.N.), Hôpital Salengro, and the Department of Biostatistics, Centre Hospitalier Universitaire (CHU) Lille (A.D., J.L.), Lille, the Department of Neuroradiology, Hôpital central, L'unité d'Imagerie Adaptative Diagnostique et Interventionnelle, INSERM Unité 1254 (B. Gory), and the Department of Neurology, Hôpital central, Centre d'investigation clinique Plurithématique 1433, INSERM Unité 1116 (S.R.), Nancy, the Departments of Neuroradiology (G.M.) and Neurology (I.S.), Hôpital Pellegrin, Bordeaux, the Department of Neuroradiology, Hôpital Foch, Suresnes (F.D.M.), the Departments of Neurology (M.A.) and Neuroradiology (G.B.), Hôpital Bretonneau, Tours, the Departments of Neurology (M.O.) and Neuroradiology (M.P.), Hôpital Fondation Adolphe de Rothschild, the Departments of Neurology (G.T.) and Neuroradiology (O.N.), Groupe Hospitalier Universitaire Paris, Centre Hospitalier Sainte-Anne, INSERM Unité 1266, the Departments of Neuroradiology (F.C.) and Neurology (S.A.), Hôpital La Pitié-Salpêtrière, Assistance Publique-Hôpitaux de Paris (AP-HP), the Departments of Neuroradiology (L. Spelle) and Neurology (C.D.), Hôpital Bicêtre, AP-HP, the Departments of Neurology (M. Mazighi) and Neuroradiology (E.H.), Hôpital Lariboisière AP-HP, and INSERM Unité 1266 (C.A.), Paris, the Department of Neuroradiology, Nantes Université, CHU Nantes (R.B.), INSERM Unité Mixte de Recherche 1087, Centre National de la Recherche Scientifique, University of Nantes, L'institut du Thorax (R.B.), and Clinique Neurologique, Hôpital G.R. Laennec CHU Nantes (B. Guillon), Nantes, the Departments of Neurology (S.G.) and Neuroradiology (A.P.-P.), CHU d'Angers, Angers, the Departments of Neuroradiology (O.F.E.) and Neurology (T.-H.C.), Hospices Civils de Lyon, Groupement Hospitalier Est Hôpital Pierre Wertheimer, Lyon, the Departments of Neuroradiology (S.V.) and Neurology (M.L.), CHU Poitiers, Site de La Milétrie, Poitiers, the Stroke Unit (L. Suissa) and the Department of Neuroradiology (H.B.), Assistance Publique-Hôpitaux de Marseille, Hôpital de la Timone, Marseille, the Departments of Neuroradiology (J.-C.G.) and Neurology (S.T.), Centre Hospitalier Régional Universitaire (CHRU) Brest, Hôpital de la Cavale Blanche, Brest, the Departments of Neurology (C.L.) and Neuroradiology (C. Chivot), CHU Amiens-Picardie, Amiens, the Departments of Neurology (F.M.-M.) and Neuroradiology (C.M.), CHU Limoges, Dupuytren, Limoges, the Departments of Neurology (O.O.-W.) and Neuroradiology (C.P.), CHU Rouen, Rouen, the Departments of Neurology (V.W.) and Neuroradiology (R.P.), CHRU Strasbourg, Hôpitaux Universitaires de Strasbourg, Hôpital de Hautepierre, Strasbourg, the Departments of Neurology (A.F.) and Neuroradiology (E.C.), CHU Clermont-Ferrand, Hôpital Gabriel Montpied, Clermont-Ferrand, the Departments of Neuroradiology (F.R.) and Neurology (Y.B.), CHU Dijon-Bourgogne, Hôpital François Mitterrand, Dijon, and the Department of Neurology, Hôpital Foch, Suresnes (B.L.), and the Department of Neurology, Hôpital Gui de Chauliac, Montpellier (C.A.) - all in France; Cooper Neurological Institute and Cooper Medical School of Rowan University, Camden, NJ (T.G.J.); the Department of Neurology, Hospital Universitari de Bellvitge, L'Hospitalet de Llobregat (P.C.), and the Department of Neurology, Hospital Clínic de Barcelona (A.R.), Barcelona, the Department of Radiology, Hospital Universitario Central de Asturias, Oviedo (E.L.-C., P.V.), the Department of Neurology Hospital Germans Trias i Pujol, Badalona (M. Millán), Hospital Clínico Universitario de Valladolid, Valladolid (J.F. Arenillas), and the Department of Neurology, Hospital Universitario Cruces, Baracaldo (M.M.F.) - all in Spain; and the Department of Neurology, University of Southern California (N.S.), and the Department of Neurology, UCLA (D.S.L.) - both in Los Angeles.; Ricolfi F; From the Department of Neuroradiology, Hôpital Gui de Chauliac, Montpellier (V.C.), the Departments of Neurology (J.F. Albucher) and Neuroradiology (C. Cognard), Hôpital Pierre Paul Riquet, and Toulouse Clinical Investigations Centers 1436 (J.F. Albucher, C. Cognard), Toulouse, the Departments of Neurology (H.H.) and Neuroradiology (N.N.), Hôpital Salengro, and the Department of Biostatistics, Centre Hospitalier Universitaire (CHU) Lille (A.D., J.L.), Lille, the Department of Neuroradiology, Hôpital central, L'unité d'Imagerie Adaptative Diagnostique et Interventionnelle, INSERM Unité 1254 (B. Gory), and the Department of Neurology, Hôpital central, Centre d'investigation clinique Plurithématique 1433, INSERM Unité 1116 (S.R.), Nancy, the Departments of Neuroradiology (G.M.) and Neurology (I.S.), Hôpital Pellegrin, Bordeaux, the Department of Neuroradiology, Hôpital Foch, Suresnes (F.D.M.), the Departments of Neurology (M.A.) and Neuroradiology (G.B.), Hôpital Bretonneau, Tours, the Departments of Neurology (M.O.) and Neuroradiology (M.P.), Hôpital Fondation Adolphe de Rothschild, the Departments of Neurology (G.T.) and Neuroradiology (O.N.), Groupe Hospitalier Universitaire Paris, Centre Hospitalier Sainte-Anne, INSERM Unité 1266, the Departments of Neuroradiology (F.C.) and Neurology (S.A.), Hôpital La Pitié-Salpêtrière, Assistance Publique-Hôpitaux de Paris (AP-HP), the Departments of Neuroradiology (L. Spelle) and Neurology (C.D.), Hôpital Bicêtre, AP-HP, the Departments of Neurology (M. Mazighi) and Neuroradiology (E.H.), Hôpital Lariboisière AP-HP, and INSERM Unité 1266 (C.A.), Paris, the Department of Neuroradiology, Nantes Université, CHU Nantes (R.B.), INSERM Unité Mixte de Recherche 1087, Centre National de la Recherche Scientifique, University of Nantes, L'institut du Thorax (R.B.), and Clinique Neurologique, Hôpital G.R. Laennec CHU Nantes (B. Guillon), Nantes, the Departments of Neurology (S.G.) and Neuroradiology (A.P.-P.), CHU d'Angers, Angers, the Departments of Neuroradiology (O.F.E.) and Neurology (T.-H.C.), Hospices Civils de Lyon, Groupement Hospitalier Est Hôpital Pierre Wertheimer, Lyon, the Departments of Neuroradiology (S.V.) and Neurology (M.L.), CHU Poitiers, Site de La Milétrie, Poitiers, the Stroke Unit (L. Suissa) and the Department of Neuroradiology (H.B.), Assistance Publique-Hôpitaux de Marseille, Hôpital de la Timone, Marseille, the Departments of Neuroradiology (J.-C.G.) and Neurology (S.T.), Centre Hospitalier Régional Universitaire (CHRU) Brest, Hôpital de la Cavale Blanche, Brest, the Departments of Neurology (C.L.) and Neuroradiology (C. Chivot), CHU Amiens-Picardie, Amiens, the Departments of Neurology (F.M.-M.) and Neuroradiology (C.M.), CHU Limoges, Dupuytren, Limoges, the Departments of Neurology (O.O.-W.) and Neuroradiology (C.P.), CHU Rouen, Rouen, the Departments of Neurology (V.W.) and Neuroradiology (R.P.), CHRU Strasbourg, Hôpitaux Universitaires de Strasbourg, Hôpital de Hautepierre, Strasbourg, the Departments of Neurology (A.F.) and Neuroradiology (E.C.), CHU Clermont-Ferrand, Hôpital Gabriel Montpied, Clermont-Ferrand, the Departments of Neuroradiology (F.R.) and Neurology (Y.B.), CHU Dijon-Bourgogne, Hôpital François Mitterrand, Dijon, and the Department of Neurology, Hôpital Foch, Suresnes (B.L.), and the Department of Neurology, Hôpital Gui de Chauliac, Montpellier (C.A.) - all in France; Cooper Neurological Institute and Cooper Medical School of Rowan University, Camden, NJ (T.G.J.); the Department of Neurology, Hospital Universitari de Bellvitge, L'Hospitalet de Llobregat (P.C.), and the Department of Neurology, Hospital Clínic de Barcelona (A.R.), Barcelona, the Department of Radiology, Hospital Universitario Central de Asturias, Oviedo (E.L.-C., P.V.), the Department of Neurology Hospital Germans Trias i Pujol, Badalona (M. Millán), Hospital Clínico Universitario de Valladolid, Valladolid (J.F. Arenillas), and the Department of Neurology, Hospital Universitario Cruces, Baracaldo (M.M.F.) - all in Spain; and the Department of Neurology, University of Southern California (N.S.), and the Department of Neurology, UCLA (D.S.L.) - both in Los Angeles.; Béjot Y; From the Department of Neuroradiology, Hôpital Gui de Chauliac, Montpellier (V.C.), the Departments of Neurology (J.F. Albucher) and Neuroradiology (C. Cognard), Hôpital Pierre Paul Riquet, and Toulouse Clinical Investigations Centers 1436 (J.F. Albucher, C. Cognard), Toulouse, the Departments of Neurology (H.H.) and Neuroradiology (N.N.), Hôpital Salengro, and the Department of Biostatistics, Centre Hospitalier Universitaire (CHU) Lille (A.D., J.L.), Lille, the Department of Neuroradiology, Hôpital central, L'unité d'Imagerie Adaptative Diagnostique et Interventionnelle, INSERM Unité 1254 (B. Gory), and the Department of Neurology, Hôpital central, Centre d'investigation clinique Plurithématique 1433, INSERM Unité 1116 (S.R.), Nancy, the Departments of Neuroradiology (G.M.) and Neurology (I.S.), Hôpital Pellegrin, Bordeaux, the Department of Neuroradiology, Hôpital Foch, Suresnes (F.D.M.), the Departments of Neurology (M.A.) and Neuroradiology (G.B.), Hôpital Bretonneau, Tours, the Departments of Neurology (M.O.) and Neuroradiology (M.P.), Hôpital Fondation Adolphe de Rothschild, the Departments of Neurology (G.T.) and Neuroradiology (O.N.), Groupe Hospitalier Universitaire Paris, Centre Hospitalier Sainte-Anne, INSERM Unité 1266, the Departments of Neuroradiology (F.C.) and Neurology (S.A.), Hôpital La Pitié-Salpêtrière, Assistance Publique-Hôpitaux de Paris (AP-HP), the Departments of Neuroradiology (L. Spelle) and Neurology (C.D.), Hôpital Bicêtre, AP-HP, the Departments of Neurology (M. Mazighi) and Neuroradiology (E.H.), Hôpital Lariboisière AP-HP, and INSERM Unité 1266 (C.A.), Paris, the Department of Neuroradiology, Nantes Université, CHU Nantes (R.B.), INSERM Unité Mixte de Recherche 1087, Centre National de la Recherche Scientifique, University of Nantes, L'institut du Thorax (R.B.), and Clinique Neurologique, Hôpital G.R. Laennec CHU Nantes (B. Guillon), Nantes, the Departments of Neurology (S.G.) and Neuroradiology (A.P.-P.), CHU d'Angers, Angers, the Departments of Neuroradiology (O.F.E.) and Neurology (T.-H.C.), Hospices Civils de Lyon, Groupement Hospitalier Est Hôpital Pierre Wertheimer, Lyon, the Departments of Neuroradiology (S.V.) and Neurology (M.L.), CHU Poitiers, Site de La Milétrie, Poitiers, the Stroke Unit (L. Suissa) and the Department of Neuroradiology (H.B.), Assistance Publique-Hôpitaux de Marseille, Hôpital de la Timone, Marseille, the Departments of Neuroradiology (J.-C.G.) and Neurology (S.T.), Centre Hospitalier Régional Universitaire (CHRU) Brest, Hôpital de la Cavale Blanche, Brest, the Departments of Neurology (C.L.) and Neuroradiology (C. Chivot), CHU Amiens-Picardie, Amiens, the Departments of Neurology (F.M.-M.) and Neuroradiology (C.M.), CHU Limoges, Dupuytren, Limoges, the Departments of Neurology (O.O.-W.) and Neuroradiology (C.P.), CHU Rouen, Rouen, the Departments of Neurology (V.W.) and Neuroradiology (R.P.), CHRU Strasbourg, Hôpitaux Universitaires de Strasbourg, Hôpital de Hautepierre, Strasbourg, the Departments of Neurology (A.F.) and Neuroradiology (E.C.), CHU Clermont-Ferrand, Hôpital Gabriel Montpied, Clermont-Ferrand, the Departments of Neuroradiology (F.R.) and Neurology (Y.B.), CHU Dijon-Bourgogne, Hôpital François Mitterrand, Dijon, and the Department of Neurology, Hôpital Foch, Suresnes (B.L.), and the Department of Neurology, Hôpital Gui de Chauliac, Montpellier (C.A.) - all in France; Cooper Neurological Institute and Cooper Medical School of Rowan University, Camden, NJ (T.G.J.); the Department of Neurology, Hospital Universitari de Bellvitge, L'Hospitalet de Llobregat (P.C.), and the Department of Neurology, Hospital Clínic de Barcelona (A.R.), Barcelona, the Department of Radiology, Hospital Universitario Central de Asturias, Oviedo (E.L.-C., P.V.), the Department of Neurology Hospital Germans Trias i Pujol, Badalona (M. Millán), Hospital Clínico Universitario de Valladolid, Valladolid (J.F. Arenillas), and the Department of Neurology, Hospital Universitario Cruces, Baracaldo (M.M.F.) - all in Spain; and the Department of Neurology, University of Southern California (N.S.), and the Department of Neurology, UCLA (D.S.L.) - both in Los Angeles.; Lopez-Cancio E; From the Department of Neuroradiology, Hôpital Gui de Chauliac, Montpellier (V.C.), the Departments of Neurology (J.F. Albucher) and Neuroradiology (C. Cognard), Hôpital Pierre Paul Riquet, and Toulouse Clinical Investigations Centers 1436 (J.F. Albucher, C. Cognard), Toulouse, the Departments of Neurology (H.H.) and Neuroradiology (N.N.), Hôpital Salengro, and the Department of Biostatistics, Centre Hospitalier Universitaire (CHU) Lille (A.D., J.L.), Lille, the Department of Neuroradiology, Hôpital central, L'unité d'Imagerie Adaptative Diagnostique et Interventionnelle, INSERM Unité 1254 (B. Gory), and the Department of Neurology, Hôpital central, Centre d'investigation clinique Plurithématique 1433, INSERM Unité 1116 (S.R.), Nancy, the Departments of Neuroradiology (G.M.) and Neurology (I.S.), Hôpital Pellegrin, Bordeaux, the Department of Neuroradiology, Hôpital Foch, Suresnes (F.D.M.), the Departments of Neurology (M.A.) and Neuroradiology (G.B.), Hôpital Bretonneau, Tours, the Departments of Neurology (M.O.) and Neuroradiology (M.P.), Hôpital Fondation Adolphe de Rothschild, the Departments of Neurology (G.T.) and Neuroradiology (O.N.), Groupe Hospitalier Universitaire Paris, Centre Hospitalier Sainte-Anne, INSERM Unité 1266, the Departments of Neuroradiology (F.C.) and Neurology (S.A.), Hôpital La Pitié-Salpêtrière, Assistance Publique-Hôpitaux de Paris (AP-HP), the Departments of Neuroradiology (L. Spelle) and Neurology (C.D.), Hôpital Bicêtre, AP-HP, the Departments of Neurology (M. Mazighi) and Neuroradiology (E.H.), Hôpital Lariboisière AP-HP, and INSERM Unité 1266 (C.A.), Paris, the Department of Neuroradiology, Nantes Université, CHU Nantes (R.B.), INSERM Unité Mixte de Recherche 1087, Centre National de la Recherche Scientifique, University of Nantes, L'institut du Thorax (R.B.), and Clinique Neurologique, Hôpital G.R. Laennec CHU Nantes (B. Guillon), Nantes, the Departments of Neurology (S.G.) and Neuroradiology (A.P.-P.), CHU d'Angers, Angers, the Departments of Neuroradiology (O.F.E.) and Neurology (T.-H.C.), Hospices Civils de Lyon, Groupement Hospitalier Est Hôpital Pierre Wertheimer, Lyon, the Departments of Neuroradiology (S.V.) and Neurology (M.L.), CHU Poitiers, Site de La Milétrie, Poitiers, the Stroke Unit (L. Suissa) and the Department of Neuroradiology (H.B.), Assistance Publique-Hôpitaux de Marseille, Hôpital de la Timone, Marseille, the Departments of Neuroradiology (J.-C.G.) and Neurology (S.T.), Centre Hospitalier Régional Universitaire (CHRU) Brest, Hôpital de la Cavale Blanche, Brest, the Departments of Neurology (C.L.) and Neuroradiology (C. Chivot), CHU Amiens-Picardie, Amiens, the Departments of Neurology (F.M.-M.) and Neuroradiology (C.M.), CHU Limoges, Dupuytren, Limoges, the Departments of Neurology (O.O.-W.) and Neuroradiology (C.P.), CHU Rouen, Rouen, the Departments of Neurology (V.W.) and Neuroradiology (R.P.), CHRU Strasbourg, Hôpitaux Universitaires de Strasbourg, Hôpital de Hautepierre, Strasbourg, the Departments of Neurology (A.F.) and Neuroradiology (E.C.), CHU Clermont-Ferrand, Hôpital Gabriel Montpied, Clermont-Ferrand, the Departments of Neuroradiology (F.R.) and Neurology (Y.B.), CHU Dijon-Bourgogne, Hôpital François Mitterrand, Dijon, and the Department of Neurology, Hôpital Foch, Suresnes (B.L.), and the Department of Neurology, Hôpital Gui de Chauliac, Montpellier (C.A.) - all in France; Cooper Neurological Institute and Cooper Medical School of Rowan University, Camden, NJ (T.G.J.); the Department of Neurology, Hospital Universitari de Bellvitge, L'Hospitalet de Llobregat (P.C.), and the Department of Neurology, Hospital Clínic de Barcelona (A.R.), Barcelona, the Department of Radiology, Hospital Universitario Central de Asturias, Oviedo (E.L.-C., P.V.), the Department of Neurology Hospital Germans Trias i Pujol, Badalona (M. Millán), Hospital Clínico Universitario de Valladolid, Valladolid (J.F. Arenillas), and the Department of Neurology, Hospital Universitario Cruces, Baracaldo (M.M.F.) - all in Spain; and the Department of Neurology, University of Southern California (N.S.), and the Department of Neurology, UCLA (D.S.L.) - both in Los Angeles.; Vega P; From the Department of Neuroradiology, Hôpital Gui de Chauliac, Montpellier (V.C.), the Departments of Neurology (J.F. Albucher) and Neuroradiology (C. Cognard), Hôpital Pierre Paul Riquet, and Toulouse Clinical Investigations Centers 1436 (J.F. Albucher, C. Cognard), Toulouse, the Departments of Neurology (H.H.) and Neuroradiology (N.N.), Hôpital Salengro, and the Department of Biostatistics, Centre Hospitalier Universitaire (CHU) Lille (A.D., J.L.), Lille, the Department of Neuroradiology, Hôpital central, L'unité d'Imagerie Adaptative Diagnostique et Interventionnelle, INSERM Unité 1254 (B. Gory), and the Department of Neurology, Hôpital central, Centre d'investigation clinique Plurithématique 1433, INSERM Unité 1116 (S.R.), Nancy, the Departments of Neuroradiology (G.M.) and Neurology (I.S.), Hôpital Pellegrin, Bordeaux, the Department of Neuroradiology, Hôpital Foch, Suresnes (F.D.M.), the Departments of Neurology (M.A.) and Neuroradiology (G.B.), Hôpital Bretonneau, Tours, the Departments of Neurology (M.O.) and Neuroradiology (M.P.), Hôpital Fondation Adolphe de Rothschild, the Departments of Neurology (G.T.) and Neuroradiology (O.N.), Groupe Hospitalier Universitaire Paris, Centre Hospitalier Sainte-Anne, INSERM Unité 1266, the Departments of Neuroradiology (F.C.) and Neurology (S.A.), Hôpital La Pitié-Salpêtrière, Assistance Publique-Hôpitaux de Paris (AP-HP), the Departments of Neuroradiology (L. Spelle) and Neurology (C.D.), Hôpital Bicêtre, AP-HP, the Departments of Neurology (M. Mazighi) and Neuroradiology (E.H.), Hôpital Lariboisière AP-HP, and INSERM Unité 1266 (C.A.), Paris, the Department of Neuroradiology, Nantes Université, CHU Nantes (R.B.), INSERM Unité Mixte de Recherche 1087, Centre National de la Recherche Scientifique, University of Nantes, L'institut du Thorax (R.B.), and Clinique Neurologique, Hôpital G.R. Laennec CHU Nantes (B. Guillon), Nantes, the Departments of Neurology (S.G.) and Neuroradiology (A.P.-P.), CHU d'Angers, Angers, the Departments of Neuroradiology (O.F.E.) and Neurology (T.-H.C.), Hospices Civils de Lyon, Groupement Hospitalier Est Hôpital Pierre Wertheimer, Lyon, the Departments of Neuroradiology (S.V.) and Neurology (M.L.), CHU Poitiers, Site de La Milétrie, Poitiers, the Stroke Unit (L. Suissa) and the Department of Neuroradiology (H.B.), Assistance Publique-Hôpitaux de Marseille, Hôpital de la Timone, Marseille, the Departments of Neuroradiology (J.-C.G.) and Neurology (S.T.), Centre Hospitalier Régional Universitaire (CHRU) Brest, Hôpital de la Cavale Blanche, Brest, the Departments of Neurology (C.L.) and Neuroradiology (C. Chivot), CHU Amiens-Picardie, Amiens, the Departments of Neurology (F.M.-M.) and Neuroradiology (C.M.), CHU Limoges, Dupuytren, Limoges, the Departments of Neurology (O.O.-W.) and Neuroradiology (C.P.), CHU Rouen, Rouen, the Departments of Neurology (V.W.) and Neuroradiology (R.P.), CHRU Strasbourg, Hôpitaux Universitaires de Strasbourg, Hôpital de Hautepierre, Strasbourg, the Departments of Neurology (A.F.) and Neuroradiology (E.C.), CHU Clermont-Ferrand, Hôpital Gabriel Montpied, Clermont-Ferrand, the Departments of Neuroradiology (F.R.) and Neurology (Y.B.), CHU Dijon-Bourgogne, Hôpital François Mitterrand, Dijon, and the Department of Neurology, Hôpital Foch, Suresnes (B.L.), and the Department of Neurology, Hôpital Gui de Chauliac, Montpellier (C.A.) - all in France; Cooper Neurological Institute and Cooper Medical School of Rowan University, Camden, NJ (T.G.J.); the Department of Neurology, Hospital Universitari de Bellvitge, L'Hospitalet de Llobregat (P.C.), and the Department of Neurology, Hospital Clínic de Barcelona (A.R.), Barcelona, the Department of Radiology, Hospital Universitario Central de Asturias, Oviedo (E.L.-C., P.V.), the Department of Neurology Hospital Germans Trias i Pujol, Badalona (M. Millán), Hospital Clínico Universitario de Valladolid, Valladolid (J.F. Arenillas), and the Department of Neurology, Hospital Universitario Cruces, Baracaldo (M.M.F.) - all in Spain; and the Department of Neurology, University of Southern California (N.S.), and the Department of Neurology, UCLA (D.S.L.) - both in Los Angeles.; Spelle L; From the Department of Neuroradiology, Hôpital Gui de Chauliac, Montpellier (V.C.), the Departments of Neurology (J.F. Albucher) and Neuroradiology (C. Cognard), Hôpital Pierre Paul Riquet, and Toulouse Clinical Investigations Centers 1436 (J.F. Albucher, C. Cognard), Toulouse, the Departments of Neurology (H.H.) and Neuroradiology (N.N.), Hôpital Salengro, and the Department of Biostatistics, Centre Hospitalier Universitaire (CHU) Lille (A.D., J.L.), Lille, the Department of Neuroradiology, Hôpital central, L'unité d'Imagerie Adaptative Diagnostique et Interventionnelle, INSERM Unité 1254 (B. Gory), and the Department of Neurology, Hôpital central, Centre d'investigation clinique Plurithématique 1433, INSERM Unité 1116 (S.R.), Nancy, the Departments of Neuroradiology (G.M.) and Neurology (I.S.), Hôpital Pellegrin, Bordeaux, the Department of Neuroradiology, Hôpital Foch, Suresnes (F.D.M.), the Departments of Neurology (M.A.) and Neuroradiology (G.B.), Hôpital Bretonneau, Tours, the Departments of Neurology (M.O.) and Neuroradiology (M.P.), Hôpital Fondation Adolphe de Rothschild, the Departments of Neurology (G.T.) and Neuroradiology (O.N.), Groupe Hospitalier Universitaire Paris, Centre Hospitalier Sainte-Anne, INSERM Unité 1266, the Departments of Neuroradiology (F.C.) and Neurology (S.A.), Hôpital La Pitié-Salpêtrière, Assistance Publique-Hôpitaux de Paris (AP-HP), the Departments of Neuroradiology (L. Spelle) and Neurology (C.D.), Hôpital Bicêtre, AP-HP, the Departments of Neurology (M. Mazighi) and Neuroradiology (E.H.), Hôpital Lariboisière AP-HP, and INSERM Unité 1266 (C.A.), Paris, the Department of Neuroradiology, Nantes Université, CHU Nantes (R.B.), INSERM Unité Mixte de Recherche 1087, Centre National de la Recherche Scientifique, University of Nantes, L'institut du Thorax (R.B.), and Clinique Neurologique, Hôpital G.R. Laennec CHU Nantes (B. Guillon), Nantes, the Departments of Neurology (S.G.) and Neuroradiology (A.P.-P.), CHU d'Angers, Angers, the Departments of Neuroradiology (O.F.E.) and Neurology (T.-H.C.), Hospices Civils de Lyon, Groupement Hospitalier Est Hôpital Pierre Wertheimer, Lyon, the Departments of Neuroradiology (S.V.) and Neurology (M.L.), CHU Poitiers, Site de La Milétrie, Poitiers, the Stroke Unit (L. Suissa) and the Department of Neuroradiology (H.B.), Assistance Publique-Hôpitaux de Marseille, Hôpital de la Timone, Marseille, the Departments of Neuroradiology (J.-C.G.) and Neurology (S.T.), Centre Hospitalier Régional Universitaire (CHRU) Brest, Hôpital de la Cavale Blanche, Brest, the Departments of Neurology (C.L.) and Neuroradiology (C. Chivot), CHU Amiens-Picardie, Amiens, the Departments of Neurology (F.M.-M.) and Neuroradiology (C.M.), CHU Limoges, Dupuytren, Limoges, the Departments of Neurology (O.O.-W.) and Neuroradiology (C.P.), CHU Rouen, Rouen, the Departments of Neurology (V.W.) and Neuroradiology (R.P.), CHRU Strasbourg, Hôpitaux Universitaires de Strasbourg, Hôpital de Hautepierre, Strasbourg, the Departments of Neurology (A.F.) and Neuroradiology (E.C.), CHU Clermont-Ferrand, Hôpital Gabriel Montpied, Clermont-Ferrand, the Departments of Neuroradiology (F.R.) and Neurology (Y.B.), CHU Dijon-Bourgogne, Hôpital François Mitterrand, Dijon, and the Department of Neurology, Hôpital Foch, Suresnes (B.L.), and the Department of Neurology, Hôpital Gui de Chauliac, Montpellier (C.A.) - all in France; Cooper Neurological Institute and Cooper Medical School of Rowan University, Camden, NJ (T.G.J.); the Department of Neurology, Hospital Universitari de Bellvitge, L'Hospitalet de Llobregat (P.C.), and the Department of Neurology, Hospital Clínic de Barcelona (A.R.), Barcelona, the Department of Radiology, Hospital Universitario Central de Asturias, Oviedo (E.L.-C., P.V.), the Department of Neurology Hospital Germans Trias i Pujol, Badalona (M. Millán), Hospital Clínico Universitario de Valladolid, Valladolid (J.F. Arenillas), and the Department of Neurology, Hospital Universitario Cruces, Baracaldo (M.M.F.) - all in Spain; and the Department of Neurology, University of Southern California (N.S.), and the Department of Neurology, UCLA (D.S.L.) - both in Los Angeles.; Denier C; From the Department of Neuroradiology, Hôpital Gui de Chauliac, Montpellier (V.C.), the Departments of Neurology (J.F. Albucher) and Neuroradiology (C. Cognard), Hôpital Pierre Paul Riquet, and Toulouse Clinical Investigations Centers 1436 (J.F. Albucher, C. Cognard), Toulouse, the Departments of Neurology (H.H.) and Neuroradiology (N.N.), Hôpital Salengro, and the Department of Biostatistics, Centre Hospitalier Universitaire (CHU) Lille (A.D., J.L.), Lille, the Department of Neuroradiology, Hôpital central, L'unité d'Imagerie Adaptative Diagnostique et Interventionnelle, INSERM Unité 1254 (B. Gory), and the Department of Neurology, Hôpital central, Centre d'investigation clinique Plurithématique 1433, INSERM Unité 1116 (S.R.), Nancy, the Departments of Neuroradiology (G.M.) and Neurology (I.S.), Hôpital Pellegrin, Bordeaux, the Department of Neuroradiology, Hôpital Foch, Suresnes (F.D.M.), the Departments of Neurology (M.A.) and Neuroradiology (G.B.), Hôpital Bretonneau, Tours, the Departments of Neurology (M.O.) and Neuroradiology (M.P.), Hôpital Fondation Adolphe de Rothschild, the Departments of Neurology (G.T.) and Neuroradiology (O.N.), Groupe Hospitalier Universitaire Paris, Centre Hospitalier Sainte-Anne, INSERM Unité 1266, the Departments of Neuroradiology (F.C.) and Neurology (S.A.), Hôpital La Pitié-Salpêtrière, Assistance Publique-Hôpitaux de Paris (AP-HP), the Departments of Neuroradiology (L. Spelle) and Neurology (C.D.), Hôpital Bicêtre, AP-HP, the Departments of Neurology (M. Mazighi) and Neuroradiology (E.H.), Hôpital Lariboisière AP-HP, and INSERM Unité 1266 (C.A.), Paris, the Department of Neuroradiology, Nantes Université, CHU Nantes (R.B.), INSERM Unité Mixte de Recherche 1087, Centre National de la Recherche Scientifique, University of Nantes, L'institut du Thorax (R.B.), and Clinique Neurologique, Hôpital G.R. Laennec CHU Nantes (B. Guillon), Nantes, the Departments of Neurology (S.G.) and Neuroradiology (A.P.-P.), CHU d'Angers, Angers, the Departments of Neuroradiology (O.F.E.) and Neurology (T.-H.C.), Hospices Civils de Lyon, Groupement Hospitalier Est Hôpital Pierre Wertheimer, Lyon, the Departments of Neuroradiology (S.V.) and Neurology (M.L.), CHU Poitiers, Site de La Milétrie, Poitiers, the Stroke Unit (L. Suissa) and the Department of Neuroradiology (H.B.), Assistance Publique-Hôpitaux de Marseille, Hôpital de la Timone, Marseille, the Departments of Neuroradiology (J.-C.G.) and Neurology (S.T.), Centre Hospitalier Régional Universitaire (CHRU) Brest, Hôpital de la Cavale Blanche, Brest, the Departments of Neurology (C.L.) and Neuroradiology (C. Chivot), CHU Amiens-Picardie, Amiens, the Departments of Neurology (F.M.-M.) and Neuroradiology (C.M.), CHU Limoges, Dupuytren, Limoges, the Departments of Neurology (O.O.-W.) and Neuroradiology (C.P.), CHU Rouen, Rouen, the Departments of Neurology (V.W.) and Neuroradiology (R.P.), CHRU Strasbourg, Hôpitaux Universitaires de Strasbourg, Hôpital de Hautepierre, Strasbourg, the Departments of Neurology (A.F.) and Neuroradiology (E.C.), CHU Clermont-Ferrand, Hôpital Gabriel Montpied, Clermont-Ferrand, the Departments of Neuroradiology (F.R.) and Neurology (Y.B.), CHU Dijon-Bourgogne, Hôpital François Mitterrand, Dijon, and the Department of Neurology, Hôpital Foch, Suresnes (B.L.), and the Department of Neurology, Hôpital Gui de Chauliac, Montpellier (C.A.) - all in France; Cooper Neurological Institute and Cooper Medical School of Rowan University, Camden, NJ (T.G.J.); the Department of Neurology, Hospital Universitari de Bellvitge, L'Hospitalet de Llobregat (P.C.), and the Department of Neurology, Hospital Clínic de Barcelona (A.R.), Barcelona, the Department of Radiology, Hospital Universitario Central de Asturias, Oviedo (E.L.-C., P.V.), the Department of Neurology Hospital Germans Trias i Pujol, Badalona (M. Millán), Hospital Clínico Universitario de Valladolid, Valladolid (J.F. Arenillas), and the Department of Neurology, Hospital Universitario Cruces, Baracaldo (M.M.F.) - all in Spain; and the Department of Neurology, University of Southern California (N.S.), and the Department of Neurology, UCLA (D.S.L.) - both in Los Angeles.; Millán M; From the Department of Neuroradiology, Hôpital Gui de Chauliac, Montpellier (V.C.), the Departments of Neurology (J.F. Albucher) and Neuroradiology (C. Cognard), Hôpital Pierre Paul Riquet, and Toulouse Clinical Investigations Centers 1436 (J.F. Albucher, C. Cognard), Toulouse, the Departments of Neurology (H.H.) and Neuroradiology (N.N.), Hôpital Salengro, and the Department of Biostatistics, Centre Hospitalier Universitaire (CHU) Lille (A.D., J.L.), Lille, the Department of Neuroradiology, Hôpital central, L'unité d'Imagerie Adaptative Diagnostique et Interventionnelle, INSERM Unité 1254 (B. Gory), and the Department of Neurology, Hôpital central, Centre d'investigation clinique Plurithématique 1433, INSERM Unité 1116 (S.R.), Nancy, the Departments of Neuroradiology (G.M.) and Neurology (I.S.), Hôpital Pellegrin, Bordeaux, the Department of Neuroradiology, Hôpital Foch, Suresnes (F.D.M.), the Departments of Neurology (M.A.) and Neuroradiology (G.B.), Hôpital Bretonneau, Tours, the Departments of Neurology (M.O.) and Neuroradiology (M.P.), Hôpital Fondation Adolphe de Rothschild, the Departments of Neurology (G.T.) and Neuroradiology (O.N.), Groupe Hospitalier Universitaire Paris, Centre Hospitalier Sainte-Anne, INSERM Unité 1266, the Departments of Neuroradiology (F.C.) and Neurology (S.A.), Hôpital La Pitié-Salpêtrière, Assistance Publique-Hôpitaux de Paris (AP-HP), the Departments of Neuroradiology (L. Spelle) and Neurology (C.D.), Hôpital Bicêtre, AP-HP, the Departments of Neurology (M. Mazighi) and Neuroradiology (E.H.), Hôpital Lariboisière AP-HP, and INSERM Unité 1266 (C.A.), Paris, the Department of Neuroradiology, Nantes Université, CHU Nantes (R.B.), INSERM Unité Mixte de Recherche 1087, Centre National de la Recherche Scientifique, University of Nantes, L'institut du Thorax (R.B.), and Clinique Neurologique, Hôpital G.R. Laennec CHU Nantes (B. Guillon), Nantes, the Departments of Neurology (S.G.) and Neuroradiology (A.P.-P.), CHU d'Angers, Angers, the Departments of Neuroradiology (O.F.E.) and Neurology (T.-H.C.), Hospices Civils de Lyon, Groupement Hospitalier Est Hôpital Pierre Wertheimer, Lyon, the Departments of Neuroradiology (S.V.) and Neurology (M.L.), CHU Poitiers, Site de La Milétrie, Poitiers, the Stroke Unit (L. Suissa) and the Department of Neuroradiology (H.B.), Assistance Publique-Hôpitaux de Marseille, Hôpital de la Timone, Marseille, the Departments of Neuroradiology (J.-C.G.) and Neurology (S.T.), Centre Hospitalier Régional Universitaire (CHRU) Brest, Hôpital de la Cavale Blanche, Brest, the Departments of Neurology (C.L.) and Neuroradiology (C. Chivot), CHU Amiens-Picardie, Amiens, the Departments of Neurology (F.M.-M.) and Neuroradiology (C.M.), CHU Limoges, Dupuytren, Limoges, the Departments of Neurology (O.O.-W.) and Neuroradiology (C.P.), CHU Rouen, Rouen, the Departments of Neurology (V.W.) and Neuroradiology (R.P.), CHRU Strasbourg, Hôpitaux Universitaires de Strasbourg, Hôpital de Hautepierre, Strasbourg, the Departments of Neurology (A.F.) and Neuroradiology (E.C.), CHU Clermont-Ferrand, Hôpital Gabriel Montpied, Clermont-Ferrand, the Departments of Neuroradiology (F.R.) and Neurology (Y.B.), CHU Dijon-Bourgogne, Hôpital François Mitterrand, Dijon, and the Department of Neurology, Hôpital Foch, Suresnes (B.L.), and the Department of Neurology, Hôpital Gui de Chauliac, Montpellier (C.A.) - all in France; Cooper Neurological Institute and Cooper Medical School of Rowan University, Camden, NJ (T.G.J.); the Department of Neurology, Hospital Universitari de Bellvitge, L'Hospitalet de Llobregat (P.C.), and the Department of Neurology, Hospital Clínic de Barcelona (A.R.), Barcelona, the Department of Radiology, Hospital Universitario Central de Asturias, Oviedo (E.L.-C., P.V.), the Department of Neurology Hospital Germans Trias i Pujol, Badalona (M. Millán), Hospital Clínico Universitario de Valladolid, Valladolid (J.F. Arenillas), and the Department of Neurology, Hospital Universitario Cruces, Baracaldo (M.M.F.) - all in Spain; and the Department of Neurology, University of Southern California (N.S.), and the Department of Neurology, UCLA (D.S.L.) - both in Los Angeles.; Arenillas JF; From the Department of Neuroradiology, Hôpital Gui de Chauliac, Montpellier (V.C.), the Departments of Neurology (J.F. Albucher) and Neuroradiology (C. Cognard), Hôpital Pierre Paul Riquet, and Toulouse Clinical Investigations Centers 1436 (J.F. Albucher, C. Cognard), Toulouse, the Departments of Neurology (H.H.) and Neuroradiology (N.N.), Hôpital Salengro, and the Department of Biostatistics, Centre Hospitalier Universitaire (CHU) Lille (A.D., J.L.), Lille, the Department of Neuroradiology, Hôpital central, L'unité d'Imagerie Adaptative Diagnostique et Interventionnelle, INSERM Unité 1254 (B. Gory), and the Department of Neurology, Hôpital central, Centre d'investigation clinique Plurithématique 1433, INSERM Unité 1116 (S.R.), Nancy, the Departments of Neuroradiology (G.M.) and Neurology (I.S.), Hôpital Pellegrin, Bordeaux, the Department of Neuroradiology, Hôpital Foch, Suresnes (F.D.M.), the Departments of Neurology (M.A.) and Neuroradiology (G.B.), Hôpital Bretonneau, Tours, the Departments of Neurology (M.O.) and Neuroradiology (M.P.), Hôpital Fondation Adolphe de Rothschild, the Departments of Neurology (G.T.) and Neuroradiology (O.N.), Groupe Hospitalier Universitaire Paris, Centre Hospitalier Sainte-Anne, INSERM Unité 1266, the Departments of Neuroradiology (F.C.) and Neurology (S.A.), Hôpital La Pitié-Salpêtrière, Assistance Publique-Hôpitaux de Paris (AP-HP), the Departments of Neuroradiology (L. Spelle) and Neurology (C.D.), Hôpital Bicêtre, AP-HP, the Departments of Neurology (M. Mazighi) and Neuroradiology (E.H.), Hôpital Lariboisière AP-HP, and INSERM Unité 1266 (C.A.), Paris, the Department of Neuroradiology, Nantes Université, CHU Nantes (R.B.), INSERM Unité Mixte de Recherche 1087, Centre National de la Recherche Scientifique, University of Nantes, L'institut du Thorax (R.B.), and Clinique Neurologique, Hôpital G.R. Laennec CHU Nantes (B. Guillon), Nantes, the Departments of Neurology (S.G.) and Neuroradiology (A.P.-P.), CHU d'Angers, Angers, the Departments of Neuroradiology (O.F.E.) and Neurology (T.-H.C.), Hospices Civils de Lyon, Groupement Hospitalier Est Hôpital Pierre Wertheimer, Lyon, the Departments of Neuroradiology (S.V.) and Neurology (M.L.), CHU Poitiers, Site de La Milétrie, Poitiers, the Stroke Unit (L. Suissa) and the Department of Neuroradiology (H.B.), Assistance Publique-Hôpitaux de Marseille, Hôpital de la Timone, Marseille, the Departments of Neuroradiology (J.-C.G.) and Neurology (S.T.), Centre Hospitalier Régional Universitaire (CHRU) Brest, Hôpital de la Cavale Blanche, Brest, the Departments of Neurology (C.L.) and Neuroradiology (C. Chivot), CHU Amiens-Picardie, Amiens, the Departments of Neurology (F.M.-M.) and Neuroradiology (C.M.), CHU Limoges, Dupuytren, Limoges, the Departments of Neurology (O.O.-W.) and Neuroradiology (C.P.), CHU Rouen, Rouen, the Departments of Neurology (V.W.) and Neuroradiology (R.P.), CHRU Strasbourg, Hôpitaux Universitaires de Strasbourg, Hôpital de Hautepierre, Strasbourg, the Departments of Neurology (A.F.) and Neuroradiology (E.C.), CHU Clermont-Ferrand, Hôpital Gabriel Montpied, Clermont-Ferrand, the Departments of Neuroradiology (F.R.) and Neurology (Y.B.), CHU Dijon-Bourgogne, Hôpital François Mitterrand, Dijon, and the Department of Neurology, Hôpital Foch, Suresnes (B.L.), and the Department of Neurology, Hôpital Gui de Chauliac, Montpellier (C.A.) - all in France; Cooper Neurological Institute and Cooper Medical School of Rowan University, Camden, NJ (T.G.J.); the Department of Neurology, Hospital Universitari de Bellvitge, L'Hospitalet de Llobregat (P.C.), and the Department of Neurology, Hospital Clínic de Barcelona (A.R.), Barcelona, the Department of Radiology, Hospital Universitario Central de Asturias, Oviedo (E.L.-C., P.V.), the Department of Neurology Hospital Germans Trias i Pujol, Badalona (M. Millán), Hospital Clínico Universitario de Valladolid, Valladolid (J.F. Arenillas), and the Department of Neurology, Hospital Universitario Cruces, Baracaldo (M.M.F.) - all in Spain; and the Department of Neurology, University of Southern California (N.S.), and the Department of Neurology, UCLA (D.S.L.) - both in Los Angeles.; Mazighi M; From the Department of Neuroradiology, Hôpital Gui de Chauliac, Montpellier (V.C.), the Departments of Neurology (J.F. Albucher) and Neuroradiology (C. Cognard), Hôpital Pierre Paul Riquet, and Toulouse Clinical Investigations Centers 1436 (J.F. Albucher, C. Cognard), Toulouse, the Departments of Neurology (H.H.) and Neuroradiology (N.N.), Hôpital Salengro, and the Department of Biostatistics, Centre Hospitalier Universitaire (CHU) Lille (A.D., J.L.), Lille, the Department of Neuroradiology, Hôpital central, L'unité d'Imagerie Adaptative Diagnostique et Interventionnelle, INSERM Unité 1254 (B. Gory), and the Department of Neurology, Hôpital central, Centre d'investigation clinique Plurithématique 1433, INSERM Unité 1116 (S.R.), Nancy, the Departments of Neuroradiology (G.M.) and Neurology (I.S.), Hôpital Pellegrin, Bordeaux, the Department of Neuroradiology, Hôpital Foch, Suresnes (F.D.M.), the Departments of Neurology (M.A.) and Neuroradiology (G.B.), Hôpital Bretonneau, Tours, the Departments of Neurology (M.O.) and Neuroradiology (M.P.), Hôpital Fondation Adolphe de Rothschild, the Departments of Neurology (G.T.) and Neuroradiology (O.N.), Groupe Hospitalier Universitaire Paris, Centre Hospitalier Sainte-Anne, INSERM Unité 1266, the Departments of Neuroradiology (F.C.) and Neurology (S.A.), Hôpital La Pitié-Salpêtrière, Assistance Publique-Hôpitaux de Paris (AP-HP), the Departments of Neuroradiology (L. Spelle) and Neurology (C.D.), Hôpital Bicêtre, AP-HP, the Departments of Neurology (M. Mazighi) and Neuroradiology (E.H.), Hôpital Lariboisière AP-HP, and INSERM Unité 1266 (C.A.), Paris, the Department of Neuroradiology, Nantes Université, CHU Nantes (R.B.), INSERM Unité Mixte de Recherche 1087, Centre National de la Recherche Scientifique, University of Nantes, L'institut du Thorax (R.B.), and Clinique Neurologique, Hôpital G.R. Laennec CHU Nantes (B. Guillon), Nantes, the Departments of Neurology (S.G.) and Neuroradiology (A.P.-P.), CHU d'Angers, Angers, the Departments of Neuroradiology (O.F.E.) and Neurology (T.-H.C.), Hospices Civils de Lyon, Groupement Hospitalier Est Hôpital Pierre Wertheimer, Lyon, the Departments of Neuroradiology (S.V.) and Neurology (M.L.), CHU Poitiers, Site de La Milétrie, Poitiers, the Stroke Unit (L. Suissa) and the Department of Neuroradiology (H.B.), Assistance Publique-Hôpitaux de Marseille, Hôpital de la Timone, Marseille, the Departments of Neuroradiology (J.-C.G.) and Neurology (S.T.), Centre Hospitalier Régional Universitaire (CHRU) Brest, Hôpital de la Cavale Blanche, Brest, the Departments of Neurology (C.L.) and Neuroradiology (C. Chivot), CHU Amiens-Picardie, Amiens, the Departments of Neurology (F.M.-M.) and Neuroradiology (C.M.), CHU Limoges, Dupuytren, Limoges, the Departments of Neurology (O.O.-W.) and Neuroradiology (C.P.), CHU Rouen, Rouen, the Departments of Neurology (V.W.) and Neuroradiology (R.P.), CHRU Strasbourg, Hôpitaux Universitaires de Strasbourg, Hôpital de Hautepierre, Strasbourg, the Departments of Neurology (A.F.) and Neuroradiology (E.C.), CHU Clermont-Ferrand, Hôpital Gabriel Montpied, Clermont-Ferrand, the Departments of Neuroradiology (F.R.) and Neurology (Y.B.), CHU Dijon-Bourgogne, Hôpital François Mitterrand, Dijon, and the Department of Neurology, Hôpital Foch, Suresnes (B.L.), and the Department of Neurology, Hôpital Gui de Chauliac, Montpellier (C.A.) - all in France; Cooper Neurological Institute and Cooper Medical School of Rowan University, Camden, NJ (T.G.J.); the Department of Neurology, Hospital Universitari de Bellvitge, L'Hospitalet de Llobregat (P.C.), and the Department of Neurology, Hospital Clínic de Barcelona (A.R.), Barcelona, the Department of Radiology, Hospital Universitario Central de Asturias, Oviedo (E.L.-C., P.V.), the Department of Neurology Hospital Germans Trias i Pujol, Badalona (M. Millán), Hospital Clínico Universitario de Valladolid, Valladolid (J.F. Arenillas), and the Department of Neurology, Hospital Universitario Cruces, Baracaldo (M.M.F.) - all in Spain; and the Department of Neurology, University of Southern California (N.S.), and the Department of Neurology, UCLA (D.S.L.) - both in Los Angeles.; Houdart E; From the Department of Neuroradiology, Hôpital Gui de Chauliac, Montpellier (V.C.), the Departments of Neurology (J.F. Albucher) and Neuroradiology (C. Cognard), Hôpital Pierre Paul Riquet, and Toulouse Clinical Investigations Centers 1436 (J.F. Albucher, C. Cognard), Toulouse, the Departments of Neurology (H.H.) and Neuroradiology (N.N.), Hôpital Salengro, and the Department of Biostatistics, Centre Hospitalier Universitaire (CHU) Lille (A.D., J.L.), Lille, the Department of Neuroradiology, Hôpital central, L'unité d'Imagerie Adaptative Diagnostique et Interventionnelle, INSERM Unité 1254 (B. Gory), and the Department of Neurology, Hôpital central, Centre d'investigation clinique Plurithématique 1433, INSERM Unité 1116 (S.R.), Nancy, the Departments of Neuroradiology (G.M.) and Neurology (I.S.), Hôpital Pellegrin, Bordeaux, the Department of Neuroradiology, Hôpital Foch, Suresnes (F.D.M.), the Departments of Neurology (M.A.) and Neuroradiology (G.B.), Hôpital Bretonneau, Tours, the Departments of Neurology (M.O.) and Neuroradiology (M.P.), Hôpital Fondation Adolphe de Rothschild, the Departments of Neurology (G.T.) and Neuroradiology (O.N.), Groupe Hospitalier Universitaire Paris, Centre Hospitalier Sainte-Anne, INSERM Unité 1266, the Departments of Neuroradiology (F.C.) and Neurology (S.A.), Hôpital La Pitié-Salpêtrière, Assistance Publique-Hôpitaux de Paris (AP-HP), the Departments of Neuroradiology (L. Spelle) and Neurology (C.D.), Hôpital Bicêtre, AP-HP, the Departments of Neurology (M. Mazighi) and Neuroradiology (E.H.), Hôpital Lariboisière AP-HP, and INSERM Unité 1266 (C.A.), Paris, the Department of Neuroradiology, Nantes Université, CHU Nantes (R.B.), INSERM Unité Mixte de Recherche 1087, Centre National de la Recherche Scientifique, University of Nantes, L'institut du Thorax (R.B.), and Clinique Neurologique, Hôpital G.R. Laennec CHU Nantes (B. Guillon), Nantes, the Departments of Neurology (S.G.) and Neuroradiology (A.P.-P.), CHU d'Angers, Angers, the Departments of Neuroradiology (O.F.E.) and Neurology (T.-H.C.), Hospices Civils de Lyon, Groupement Hospitalier Est Hôpital Pierre Wertheimer, Lyon, the Departments of Neuroradiology (S.V.) and Neurology (M.L.), CHU Poitiers, Site de La Milétrie, Poitiers, the Stroke Unit (L. Suissa) and the Department of Neuroradiology (H.B.), Assistance Publique-Hôpitaux de Marseille, Hôpital de la Timone, Marseille, the Departments of Neuroradiology (J.-C.G.) and Neurology (S.T.), Centre Hospitalier Régional Universitaire (CHRU) Brest, Hôpital de la Cavale Blanche, Brest, the Departments of Neurology (C.L.) and Neuroradiology (C. Chivot), CHU Amiens-Picardie, Amiens, the Departments of Neurology (F.M.-M.) and Neuroradiology (C.M.), CHU Limoges, Dupuytren, Limoges, the Departments of Neurology (O.O.-W.) and Neuroradiology (C.P.), CHU Rouen, Rouen, the Departments of Neurology (V.W.) and Neuroradiology (R.P.), CHRU Strasbourg, Hôpitaux Universitaires de Strasbourg, Hôpital de Hautepierre, Strasbourg, the Departments of Neurology (A.F.) and Neuroradiology (E.C.), CHU Clermont-Ferrand, Hôpital Gabriel Montpied, Clermont-Ferrand, the Departments of Neuroradiology (F.R.) and Neurology (Y.B.), CHU Dijon-Bourgogne, Hôpital François Mitterrand, Dijon, and the Department of Neurology, Hôpital Foch, Suresnes (B.L.), and the Department of Neurology, Hôpital Gui de Chauliac, Montpellier (C.A.) - all in France; Cooper Neurological Institute and Cooper Medical School of Rowan University, Camden, NJ (T.G.J.); the Department of Neurology, Hospital Universitari de Bellvitge, L'Hospitalet de Llobregat (P.C.), and the Department of Neurology, Hospital Clínic de Barcelona (A.R.), Barcelona, the Department of Radiology, Hospital Universitario Central de Asturias, Oviedo (E.L.-C., P.V.), the Department of Neurology Hospital Germans Trias i Pujol, Badalona (M. Millán), Hospital Clínico Universitario de Valladolid, Valladolid (J.F. Arenillas), and the Department of Neurology, Hospital Universitario Cruces, Baracaldo (M.M.F.) - all in Spain; and the Department of Neurology, University of Southern California (N.S.), and the Department of Neurology, UCLA (D.S.L.) - both in Los Angeles.; Del Mar Freijo M; From the Department of Neuroradiology, Hôpital Gui de Chauliac, Montpellier (V.C.), the Departments of Neurology (J.F. Albucher) and Neuroradiology (C. Cognard), Hôpital Pierre Paul Riquet, and Toulouse Clinical Investigations Centers 1436 (J.F. Albucher, C. Cognard), Toulouse, the Departments of Neurology (H.H.) and Neuroradiology (N.N.), Hôpital Salengro, and the Department of Biostatistics, Centre Hospitalier Universitaire (CHU) Lille (A.D., J.L.), Lille, the Department of Neuroradiology, Hôpital central, L'unité d'Imagerie Adaptative Diagnostique et Interventionnelle, INSERM Unité 1254 (B. Gory), and the Department of Neurology, Hôpital central, Centre d'investigation clinique Plurithématique 1433, INSERM Unité 1116 (S.R.), Nancy, the Departments of Neuroradiology (G.M.) and Neurology (I.S.), Hôpital Pellegrin, Bordeaux, the Department of Neuroradiology, Hôpital Foch, Suresnes (F.D.M.), the Departments of Neurology (M.A.) and Neuroradiology (G.B.), Hôpital Bretonneau, Tours, the Departments of Neurology (M.O.) and Neuroradiology (M.P.), Hôpital Fondation Adolphe de Rothschild, the Departments of Neurology (G.T.) and Neuroradiology (O.N.), Groupe Hospitalier Universitaire Paris, Centre Hospitalier Sainte-Anne, INSERM Unité 1266, the Departments of Neuroradiology (F.C.) and Neurology (S.A.), Hôpital La Pitié-Salpêtrière, Assistance Publique-Hôpitaux de Paris (AP-HP), the Departments of Neuroradiology (L. Spelle) and Neurology (C.D.), Hôpital Bicêtre, AP-HP, the Departments of Neurology (M. Mazighi) and Neuroradiology (E.H.), Hôpital Lariboisière AP-HP, and INSERM Unité 1266 (C.A.), Paris, the Department of Neuroradiology, Nantes Université, CHU Nantes (R.B.), INSERM Unité Mixte de Recherche 1087, Centre National de la Recherche Scientifique, University of Nantes, L'institut du Thorax (R.B.), and Clinique Neurologique, Hôpital G.R. Laennec CHU Nantes (B. Guillon), Nantes, the Departments of Neurology (S.G.) and Neuroradiology (A.P.-P.), CHU d'Angers, Angers, the Departments of Neuroradiology (O.F.E.) and Neurology (T.-H.C.), Hospices Civils de Lyon, Groupement Hospitalier Est Hôpital Pierre Wertheimer, Lyon, the Departments of Neuroradiology (S.V.) and Neurology (M.L.), CHU Poitiers, Site de La Milétrie, Poitiers, the Stroke Unit (L. Suissa) and the Department of Neuroradiology (H.B.), Assistance Publique-Hôpitaux de Marseille, Hôpital de la Timone, Marseille, the Departments of Neuroradiology (J.-C.G.) and Neurology (S.T.), Centre Hospitalier Régional Universitaire (CHRU) Brest, Hôpital de la Cavale Blanche, Brest, the Departments of Neurology (C.L.) and Neuroradiology (C. Chivot), CHU Amiens-Picardie, Amiens, the Departments of Neurology (F.M.-M.) and Neuroradiology (C.M.), CHU Limoges, Dupuytren, Limoges, the Departments of Neurology (O.O.-W.) and Neuroradiology (C.P.), CHU Rouen, Rouen, the Departments of Neurology (V.W.) and Neuroradiology (R.P.), CHRU Strasbourg, Hôpitaux Universitaires de Strasbourg, Hôpital de Hautepierre, Strasbourg, the Departments of Neurology (A.F.) and Neuroradiology (E.C.), CHU Clermont-Ferrand, Hôpital Gabriel Montpied, Clermont-Ferrand, the Departments of Neuroradiology (F.R.) and Neurology (Y.B.), CHU Dijon-Bourgogne, Hôpital François Mitterrand, Dijon, and the Department of Neurology, Hôpital Foch, Suresnes (B.L.), and the Department of Neurology, Hôpital Gui de Chauliac, Montpellier (C.A.) - all in France; Cooper Neurological Institute and Cooper Medical School of Rowan University, Camden, NJ (T.G.J.); the Department of Neurology, Hospital Universitari de Bellvitge, L'Hospitalet de Llobregat (P.C.), and the Department of Neurology, Hospital Clínic de Barcelona (A.R.), Barcelona, the Department of Radiology, Hospital Universitario Central de Asturias, Oviedo (E.L.-C., P.V.), the Department of Neurology Hospital Germans Trias i Pujol, Badalona (M. Millán), Hospital Clínico Universitario de Valladolid, Valladolid (J.F. Arenillas), and the Department of Neurology, Hospital Universitario Cruces, Baracaldo (M.M.F.) - all in Spain; and the Department of Neurology, University of Southern California (N.S.), and the Department of Neurology, UCLA (D.S.L.) - both in Los Angeles.; Duhamel A; From the Department of Neuroradiology, Hôpital Gui de Chauliac, Montpellier (V.C.), the Departments of Neurology (J.F. Albucher) and Neuroradiology (C. Cognard), Hôpital Pierre Paul Riquet, and Toulouse Clinical Investigations Centers 1436 (J.F. Albucher, C. Cognard), Toulouse, the Departments of Neurology (H.H.) and Neuroradiology (N.N.), Hôpital Salengro, and the Department of Biostatistics, Centre Hospitalier Universitaire (CHU) Lille (A.D., J.L.), Lille, the Department of Neuroradiology, Hôpital central, L'unité d'Imagerie Adaptative Diagnostique et Interventionnelle, INSERM Unité 1254 (B. Gory), and the Department of Neurology, Hôpital central, Centre d'investigation clinique Plurithématique 1433, INSERM Unité 1116 (S.R.), Nancy, the Departments of Neuroradiology (G.M.) and Neurology (I.S.), Hôpital Pellegrin, Bordeaux, the Department of Neuroradiology, Hôpital Foch, Suresnes (F.D.M.), the Departments of Neurology (M.A.) and Neuroradiology (G.B.), Hôpital Bretonneau, Tours, the Departments of Neurology (M.O.) and Neuroradiology (M.P.), Hôpital Fondation Adolphe de Rothschild, the Departments of Neurology (G.T.) and Neuroradiology (O.N.), Groupe Hospitalier Universitaire Paris, Centre Hospitalier Sainte-Anne, INSERM Unité 1266, the Departments of Neuroradiology (F.C.) and Neurology (S.A.), Hôpital La Pitié-Salpêtrière, Assistance Publique-Hôpitaux de Paris (AP-HP), the Departments of Neuroradiology (L. Spelle) and Neurology (C.D.), Hôpital Bicêtre, AP-HP, the Departments of Neurology (M. Mazighi) and Neuroradiology (E.H.), Hôpital Lariboisière AP-HP, and INSERM Unité 1266 (C.A.), Paris, the Department of Neuroradiology, Nantes Université, CHU Nantes (R.B.), INSERM Unité Mixte de Recherche 1087, Centre National de la Recherche Scientifique, University of Nantes, L'institut du Thorax (R.B.), and Clinique Neurologique, Hôpital G.R. Laennec CHU Nantes (B. Guillon), Nantes, the Departments of Neurology (S.G.) and Neuroradiology (A.P.-P.), CHU d'Angers, Angers, the Departments of Neuroradiology (O.F.E.) and Neurology (T.-H.C.), Hospices Civils de Lyon, Groupement Hospitalier Est Hôpital Pierre Wertheimer, Lyon, the Departments of Neuroradiology (S.V.) and Neurology (M.L.), CHU Poitiers, Site de La Milétrie, Poitiers, the Stroke Unit (L. Suissa) and the Department of Neuroradiology (H.B.), Assistance Publique-Hôpitaux de Marseille, Hôpital de la Timone, Marseille, the Departments of Neuroradiology (J.-C.G.) and Neurology (S.T.), Centre Hospitalier Régional Universitaire (CHRU) Brest, Hôpital de la Cavale Blanche, Brest, the Departments of Neurology (C.L.) and Neuroradiology (C. Chivot), CHU Amiens-Picardie, Amiens, the Departments of Neurology (F.M.-M.) and Neuroradiology (C.M.), CHU Limoges, Dupuytren, Limoges, the Departments of Neurology (O.O.-W.) and Neuroradiology (C.P.), CHU Rouen, Rouen, the Departments of Neurology (V.W.) and Neuroradiology (R.P.), CHRU Strasbourg, Hôpitaux Universitaires de Strasbourg, Hôpital de Hautepierre, Strasbourg, the Departments of Neurology (A.F.) and Neuroradiology (E.C.), CHU Clermont-Ferrand, Hôpital Gabriel Montpied, Clermont-Ferrand, the Departments of Neuroradiology (F.R.) and Neurology (Y.B.), CHU Dijon-Bourgogne, Hôpital François Mitterrand, Dijon, and the Department of Neurology, Hôpital Foch, Suresnes (B.L.), and the Department of Neurology, Hôpital Gui de Chauliac, Montpellier (C.A.) - all in France; Cooper Neurological Institute and Cooper Medical School of Rowan University, Camden, NJ (T.G.J.); the Department of Neurology, Hospital Universitari de Bellvitge, L'Hospitalet de Llobregat (P.C.), and the Department of Neurology, Hospital Clínic de Barcelona (A.R.), Barcelona, the Department of Radiology, Hospital Universitario Central de Asturias, Oviedo (E.L.-C., P.V.), the Department of Neurology Hospital Germans Trias i Pujol, Badalona (M. Millán), Hospital Clínico Universitario de Valladolid, Valladolid (J.F. Arenillas), and the Department of Neurology, Hospital Universitario Cruces, Baracaldo (M.M.F.) - all in Spain; and the Department of Neurology, University of Southern California (N.S.), and the Department of Neurology, UCLA (D.S.L.) - both in Los Angeles.; Sanossian N; From the Department of Neuroradiology, Hôpital Gui de Chauliac, Montpellier (V.C.), the Departments of Neurology (J.F. Albucher) and Neuroradiology (C. Cognard), Hôpital Pierre Paul Riquet, and Toulouse Clinical Investigations Centers 1436 (J.F. Albucher, C. Cognard), Toulouse, the Departments of Neurology (H.H.) and Neuroradiology (N.N.), Hôpital Salengro, and the Department of Biostatistics, Centre Hospitalier Universitaire (CHU) Lille (A.D., J.L.), Lille, the Department of Neuroradiology, Hôpital central, L'unité d'Imagerie Adaptative Diagnostique et Interventionnelle, INSERM Unité 1254 (B. Gory), and the Department of Neurology, Hôpital central, Centre d'investigation clinique Plurithématique 1433, INSERM Unité 1116 (S.R.), Nancy, the Departments of Neuroradiology (G.M.) and Neurology (I.S.), Hôpital Pellegrin, Bordeaux, the Department of Neuroradiology, Hôpital Foch, Suresnes (F.D.M.), the Departments of Neurology (M.A.) and Neuroradiology (G.B.), Hôpital Bretonneau, Tours, the Departments of Neurology (M.O.) and Neuroradiology (M.P.), Hôpital Fondation Adolphe de Rothschild, the Departments of Neurology (G.T.) and Neuroradiology (O.N.), Groupe Hospitalier Universitaire Paris, Centre Hospitalier Sainte-Anne, INSERM Unité 1266, the Departments of Neuroradiology (F.C.) and Neurology (S.A.), Hôpital La Pitié-Salpêtrière, Assistance Publique-Hôpitaux de Paris (AP-HP), the Departments of Neuroradiology (L. Spelle) and Neurology (C.D.), Hôpital Bicêtre, AP-HP, the Departments of Neurology (M. Mazighi) and Neuroradiology (E.H.), Hôpital Lariboisière AP-HP, and INSERM Unité 1266 (C.A.), Paris, the Department of Neuroradiology, Nantes Université, CHU Nantes (R.B.), INSERM Unité Mixte de Recherche 1087, Centre National de la Recherche Scientifique, University of Nantes, L'institut du Thorax (R.B.), and Clinique Neurologique, Hôpital G.R. Laennec CHU Nantes (B. Guillon), Nantes, the Departments of Neurology (S.G.) and Neuroradiology (A.P.-P.), CHU d'Angers, Angers, the Departments of Neuroradiology (O.F.E.) and Neurology (T.-H.C.), Hospices Civils de Lyon, Groupement Hospitalier Est Hôpital Pierre Wertheimer, Lyon, the Departments of Neuroradiology (S.V.) and Neurology (M.L.), CHU Poitiers, Site de La Milétrie, Poitiers, the Stroke Unit (L. Suissa) and the Department of Neuroradiology (H.B.), Assistance Publique-Hôpitaux de Marseille, Hôpital de la Timone, Marseille, the Departments of Neuroradiology (J.-C.G.) and Neurology (S.T.), Centre Hospitalier Régional Universitaire (CHRU) Brest, Hôpital de la Cavale Blanche, Brest, the Departments of Neurology (C.L.) and Neuroradiology (C. Chivot), CHU Amiens-Picardie, Amiens, the Departments of Neurology (F.M.-M.) and Neuroradiology (C.M.), CHU Limoges, Dupuytren, Limoges, the Departments of Neurology (O.O.-W.) and Neuroradiology (C.P.), CHU Rouen, Rouen, the Departments of Neurology (V.W.) and Neuroradiology (R.P.), CHRU Strasbourg, Hôpitaux Universitaires de Strasbourg, Hôpital de Hautepierre, Strasbourg, the Departments of Neurology (A.F.) and Neuroradiology (E.C.), CHU Clermont-Ferrand, Hôpital Gabriel Montpied, Clermont-Ferrand, the Departments of Neuroradiology (F.R.) and Neurology (Y.B.), CHU Dijon-Bourgogne, Hôpital François Mitterrand, Dijon, and the Department of Neurology, Hôpital Foch, Suresnes (B.L.), and the Department of Neurology, Hôpital Gui de Chauliac, Montpellier (C.A.) - all in France; Cooper Neurological Institute and Cooper Medical School of Rowan University, Camden, NJ (T.G.J.); the Department of Neurology, Hospital Universitari de Bellvitge, L'Hospitalet de Llobregat (P.C.), and the Department of Neurology, Hospital Clínic de Barcelona (A.R.), Barcelona, the Department of Radiology, Hospital Universitario Central de Asturias, Oviedo (E.L.-C., P.V.), the Department of Neurology Hospital Germans Trias i Pujol, Badalona (M. Millán), Hospital Clínico Universitario de Valladolid, Valladolid (J.F. Arenillas), and the Department of Neurology, Hospital Universitario Cruces, Baracaldo (M.M.F.) - all in Spain; and the Department of Neurology, University of Southern California (N.S.), and the Department of Neurology, UCLA (D.S.L.) - both in Los Angeles.; Liebeskind DS; From the Department of Neuroradiology, Hôpital Gui de Chauliac, Montpellier (V.C.), the Departments of Neurology (J.F. Albucher) and Neuroradiology (C. Cognard), Hôpital Pierre Paul Riquet, and Toulouse Clinical Investigations Centers 1436 (J.F. Albucher, C. Cognard), Toulouse, the Departments of Neurology (H.H.) and Neuroradiology (N.N.), Hôpital Salengro, and the Department of Biostatistics, Centre Hospitalier Universitaire (CHU) Lille (A.D., J.L.), Lille, the Department of Neuroradiology, Hôpital central, L'unité d'Imagerie Adaptative Diagnostique et Interventionnelle, INSERM Unité 1254 (B. Gory), and the Department of Neurology, Hôpital central, Centre d'investigation clinique Plurithématique 1433, INSERM Unité 1116 (S.R.), Nancy, the Departments of Neuroradiology (G.M.) and Neurology (I.S.), Hôpital Pellegrin, Bordeaux, the Department of Neuroradiology, Hôpital Foch, Suresnes (F.D.M.), the Departments of Neurology (M.A.) and Neuroradiology (G.B.), Hôpital Bretonneau, Tours, the Departments of Neurology (M.O.) and Neuroradiology (M.P.), Hôpital Fondation Adolphe de Rothschild, the Departments of Neurology (G.T.) and Neuroradiology (O.N.), Groupe Hospitalier Universitaire Paris, Centre Hospitalier Sainte-Anne, INSERM Unité 1266, the Departments of Neuroradiology (F.C.) and Neurology (S.A.), Hôpital La Pitié-Salpêtrière, Assistance Publique-Hôpitaux de Paris (AP-HP), the Departments of Neuroradiology (L. Spelle) and Neurology (C.D.), Hôpital Bicêtre, AP-HP, the Departments of Neurology (M. Mazighi) and Neuroradiology (E.H.), Hôpital Lariboisière AP-HP, and INSERM Unité 1266 (C.A.), Paris, the Department of Neuroradiology, Nantes Université, CHU Nantes (R.B.), INSERM Unité Mixte de Recherche 1087, Centre National de la Recherche Scientifique, University of Nantes, L'institut du Thorax (R.B.), and Clinique Neurologique, Hôpital G.R. Laennec CHU Nantes (B. Guillon), Nantes, the Departments of Neurology (S.G.) and Neuroradiology (A.P.-P.), CHU d'Angers, Angers, the Departments of Neuroradiology (O.F.E.) and Neurology (T.-H.C.), Hospices Civils de Lyon, Groupement Hospitalier Est Hôpital Pierre Wertheimer, Lyon, the Departments of Neuroradiology (S.V.) and Neurology (M.L.), CHU Poitiers, Site de La Milétrie, Poitiers, the Stroke Unit (L. Suissa) and the Department of Neuroradiology (H.B.), Assistance Publique-Hôpitaux de Marseille, Hôpital de la Timone, Marseille, the Departments of Neuroradiology (J.-C.G.) and Neurology (S.T.), Centre Hospitalier Régional Universitaire (CHRU) Brest, Hôpital de la Cavale Blanche, Brest, the Departments of Neurology (C.L.) and Neuroradiology (C. Chivot), CHU Amiens-Picardie, Amiens, the Departments of Neurology (F.M.-M.) and Neuroradiology (C.M.), CHU Limoges, Dupuytren, Limoges, the Departments of Neurology (O.O.-W.) and Neuroradiology (C.P.), CHU Rouen, Rouen, the Departments of Neurology (V.W.) and Neuroradiology (R.P.), CHRU Strasbourg, Hôpitaux Universitaires de Strasbourg, Hôpital de Hautepierre, Strasbourg, the Departments of Neurology (A.F.) and Neuroradiology (E.C.), CHU Clermont-Ferrand, Hôpital Gabriel Montpied, Clermont-Ferrand, the Departments of Neuroradiology (F.R.) and Neurology (Y.B.), CHU Dijon-Bourgogne, Hôpital François Mitterrand, Dijon, and the Department of Neurology, Hôpital Foch, Suresnes (B.L.), and the Department of Neurology, Hôpital Gui de Chauliac, Montpellier (C.A.) - all in France; Cooper Neurological Institute and Cooper Medical School of Rowan University, Camden, NJ (T.G.J.); the Department of Neurology, Hospital Universitari de Bellvitge, L'Hospitalet de Llobregat (P.C.), and the Department of Neurology, Hospital Clínic de Barcelona (A.R.), Barcelona, the Department of Radiology, Hospital Universitario Central de Asturias, Oviedo (E.L.-C., P.V.), the Department of Neurology Hospital Germans Trias i Pujol, Badalona (M. Millán), Hospital Clínico Universitario de Valladolid, Valladolid (J.F. Arenillas), and the Department of Neurology, Hospital Universitario Cruces, Baracaldo (M.M.F.) - all in Spain; and the Department of Neurology, University of Southern California (N.S.), and the Department of Neurology, UCLA (D.S.L.) - both in Los Angeles.; Labreuche J; From the Department of Neuroradiology, Hôpital Gui de Chauliac, Montpellier (V.C.), the Departments of Neurology (J.F. Albucher) and Neuroradiology (C. Cognard), Hôpital Pierre Paul Riquet, and Toulouse Clinical Investigations Centers 1436 (J.F. Albucher, C. Cognard), Toulouse, the Departments of Neurology (H.H.) and Neuroradiology (N.N.), Hôpital Salengro, and the Department of Biostatistics, Centre Hospitalier Universitaire (CHU) Lille (A.D., J.L.), Lille, the Department of Neuroradiology, Hôpital central, L'unité d'Imagerie Adaptative Diagnostique et Interventionnelle, INSERM Unité 1254 (B. Gory), and the Department of Neurology, Hôpital central, Centre d'investigation clinique Plurithématique 1433, INSERM Unité 1116 (S.R.), Nancy, the Departments of Neuroradiology (G.M.) and Neurology (I.S.), Hôpital Pellegrin, Bordeaux, the Department of Neuroradiology, Hôpital Foch, Suresnes (F.D.M.), the Departments of Neurology (M.A.) and Neuroradiology (G.B.), Hôpital Bretonneau, Tours, the Departments of Neurology (M.O.) and Neuroradiology (M.P.), Hôpital Fondation Adolphe de Rothschild, the Departments of Neurology (G.T.) and Neuroradiology (O.N.), Groupe Hospitalier Universitaire Paris, Centre Hospitalier Sainte-Anne, INSERM Unité 1266, the Departments of Neuroradiology (F.C.) and Neurology (S.A.), Hôpital La Pitié-Salpêtrière, Assistance Publique-Hôpitaux de Paris (AP-HP), the Departments of Neuroradiology (L. Spelle) and Neurology (C.D.), Hôpital Bicêtre, AP-HP, the Departments of Neurology (M. Mazighi) and Neuroradiology (E.H.), Hôpital Lariboisière AP-HP, and INSERM Unité 1266 (C.A.), Paris, the Department of Neuroradiology, Nantes Université, CHU Nantes (R.B.), INSERM Unité Mixte de Recherche 1087, Centre National de la Recherche Scientifique, University of Nantes, L'institut du Thorax (R.B.), and Clinique Neurologique, Hôpital G.R. Laennec CHU Nantes (B. Guillon), Nantes, the Departments of Neurology (S.G.) and Neuroradiology (A.P.-P.), CHU d'Angers, Angers, the Departments of Neuroradiology (O.F.E.) and Neurology (T.-H.C.), Hospices Civils de Lyon, Groupement Hospitalier Est Hôpital Pierre Wertheimer, Lyon, the Departments of Neuroradiology (S.V.) and Neurology (M.L.), CHU Poitiers, Site de La Milétrie, Poitiers, the Stroke Unit (L. Suissa) and the Department of Neuroradiology (H.B.), Assistance Publique-Hôpitaux de Marseille, Hôpital de la Timone, Marseille, the Departments of Neuroradiology (J.-C.G.) and Neurology (S.T.), Centre Hospitalier Régional Universitaire (CHRU) Brest, Hôpital de la Cavale Blanche, Brest, the Departments of Neurology (C.L.) and Neuroradiology (C. Chivot), CHU Amiens-Picardie, Amiens, the Departments of Neurology (F.M.-M.) and Neuroradiology (C.M.), CHU Limoges, Dupuytren, Limoges, the Departments of Neurology (O.O.-W.) and Neuroradiology (C.P.), CHU Rouen, Rouen, the Departments of Neurology (V.W.) and Neuroradiology (R.P.), CHRU Strasbourg, Hôpitaux Universitaires de Strasbourg, Hôpital de Hautepierre, Strasbourg, the Departments of Neurology (A.F.) and Neuroradiology (E.C.), CHU Clermont-Ferrand, Hôpital Gabriel Montpied, Clermont-Ferrand, the Departments of Neuroradiology (F.R.) and Neurology (Y.B.), CHU Dijon-Bourgogne, Hôpital François Mitterrand, Dijon, and the Department of Neurology, Hôpital Foch, Suresnes (B.L.), and the Department of Neurology, Hôpital Gui de Chauliac, Montpellier (C.A.) - all in France; Cooper Neurological Institute and Cooper Medical School of Rowan University, Camden, NJ (T.G.J.); the Department of Neurology, Hospital Universitari de Bellvitge, L'Hospitalet de Llobregat (P.C.), and the Department of Neurology, Hospital Clínic de Barcelona (A.R.), Barcelona, the Department of Radiology, Hospital Universitario Central de Asturias, Oviedo (E.L.-C., P.V.), the Department of Neurology Hospital Germans Trias i Pujol, Badalona (M. Millán), Hospital Clínico Universitario de Valladolid, Valladolid (J.F. Arenillas), and the Department of Neurology, Hospital Universitario Cruces, Baracaldo (M.M.F.) - all in Spain; and the Department of Neurology, University of Southern California (N.S.), and the Department of Neurology, UCLA (D.S.L.) - both in Los Angeles.; Lapergue B; From the Department of Neuroradiology, Hôpital Gui de Chauliac, Montpellier (V.C.), the Departments of Neurology (J.F. Albucher) and Neuroradiology (C. Cognard), Hôpital Pierre Paul Riquet, and Toulouse Clinical Investigations Centers 1436 (J.F. Albucher, C. Cognard), Toulouse, the Departments of Neurology (H.H.) and Neuroradiology (N.N.), Hôpital Salengro, and the Department of Biostatistics, Centre Hospitalier Universitaire (CHU) Lille (A.D., J.L.), Lille, the Department of Neuroradiology, Hôpital central, L'unité d'Imagerie Adaptative Diagnostique et Interventionnelle, INSERM Unité 1254 (B. Gory), and the Department of Neurology, Hôpital central, Centre d'investigation clinique Plurithématique 1433, INSERM Unité 1116 (S.R.), Nancy, the Departments of Neuroradiology (G.M.) and Neurology (I.S.), Hôpital Pellegrin, Bordeaux, the Department of Neuroradiology, Hôpital Foch, Suresnes (F.D.M.), the Departments of Neurology (M.A.) and Neuroradiology (G.B.), Hôpital Bretonneau, Tours, the Departments of Neurology (M.O.) and Neuroradiology (M.P.), Hôpital Fondation Adolphe de Rothschild, the Departments of Neurology (G.T.) and Neuroradiology (O.N.), Groupe Hospitalier Universitaire Paris, Centre Hospitalier Sainte-Anne, INSERM Unité 1266, the Departments of Neuroradiology (F.C.) and Neurology (S.A.), Hôpital La Pitié-Salpêtrière, Assistance Publique-Hôpitaux de Paris (AP-HP), the Departments of Neuroradiology (L. Spelle) and Neurology (C.D.), Hôpital Bicêtre, AP-HP, the Departments of Neurology (M. Mazighi) and Neuroradiology (E.H.), Hôpital Lariboisière AP-HP, and INSERM Unité 1266 (C.A.), Paris, the Department of Neuroradiology, Nantes Université, CHU Nantes (R.B.), INSERM Unité Mixte de Recherche 1087, Centre National de la Recherche Scientifique, University of Nantes, L'institut du Thorax (R.B.), and Clinique Neurologique, Hôpital G.R. Laennec CHU Nantes (B. Guillon), Nantes, the Departments of Neurology (S.G.) and Neuroradiology (A.P.-P.), CHU d'Angers, Angers, the Departments of Neuroradiology (O.F.E.) and Neurology (T.-H.C.), Hospices Civils de Lyon, Groupement Hospitalier Est Hôpital Pierre Wertheimer, Lyon, the Departments of Neuroradiology (S.V.) and Neurology (M.L.), CHU Poitiers, Site de La Milétrie, Poitiers, the Stroke Unit (L. Suissa) and the Department of Neuroradiology (H.B.), Assistance Publique-Hôpitaux de Marseille, Hôpital de la Timone, Marseille, the Departments of Neuroradiology (J.-C.G.) and Neurology (S.T.), Centre Hospitalier Régional Universitaire (CHRU) Brest, Hôpital de la Cavale Blanche, Brest, the Departments of Neurology (C.L.) and Neuroradiology (C. Chivot), CHU Amiens-Picardie, Amiens, the Departments of Neurology (F.M.-M.) and Neuroradiology (C.M.), CHU Limoges, Dupuytren, Limoges, the Departments of Neurology (O.O.-W.) and Neuroradiology (C.P.), CHU Rouen, Rouen, the Departments of Neurology (V.W.) and Neuroradiology (R.P.), CHRU Strasbourg, Hôpitaux Universitaires de Strasbourg, Hôpital de Hautepierre, Strasbourg, the Departments of Neurology (A.F.) and Neuroradiology (E.C.), CHU Clermont-Ferrand, Hôpital Gabriel Montpied, Clermont-Ferrand, the Departments of Neuroradiology (F.R.) and Neurology (Y.B.), CHU Dijon-Bourgogne, Hôpital François Mitterrand, Dijon, and the Department of Neurology, Hôpital Foch, Suresnes (B.L.), and the Department of Neurology, Hôpital Gui de Chauliac, Montpellier (C.A.) - all in France; Cooper Neurological Institute and Cooper Medical School of Rowan University, Camden, NJ (T.G.J.); the Department of Neurology, Hospital Universitari de Bellvitge, L'Hospitalet de Llobregat (P.C.), and the Department of Neurology, Hospital Clínic de Barcelona (A.R.), Barcelona, the Department of Radiology, Hospital Universitario Central de Asturias, Oviedo (E.L.-C., P.V.), the Department of Neurology Hospital Germans Trias i Pujol, Badalona (M. Millán), Hospital Clínico Universitario de Valladolid, Valladolid (J.F. Arenillas), and the Department of Neurology, Hospital Universitario Cruces, Baracaldo (M.M.F.) - all in Spain; and the Department of Neurology, University of Southern California (N.S.), and the Department of Neurology, UCLA (D.S.L.) - both in Los Angeles.; Arquizan C; From the Department of Neuroradiology, Hôpital Gui de Chauliac, Montpellier (V.C.), the Departments of Neurology (J.F. Albucher) and Neuroradiology (C. Cognard), Hôpital Pierre Paul Riquet, and Toulouse Clinical Investigations Centers 1436 (J.F. Albucher, C. Cognard), Toulouse, the Departments of Neurology (H.H.) and Neuroradiology (N.N.), Hôpital Salengro, and the Department of Biostatistics, Centre Hospitalier Universitaire (CHU) Lille (A.D., J.L.), Lille, the Department of Neuroradiology, Hôpital central, L'unité d'Imagerie Adaptative Diagnostique et Interventionnelle, INSERM Unité 1254 (B. Gory), and the Department of Neurology, Hôpital central, Centre d'investigation clinique Plurithématique 1433, INSERM Unité 1116 (S.R.), Nancy, the Departments of Neuroradiology (G.M.) and Neurology (I.S.), Hôpital Pellegrin, Bordeaux, the Department of Neuroradiology, Hôpital Foch, Suresnes (F.D.M.), the Departments of Neurology (M.A.) and Neuroradiology (G.B.), Hôpital Bretonneau, Tours, the Departments of Neurology (M.O.) and Neuroradiology (M.P.), Hôpital Fondation Adolphe de Rothschild, the Departments of Neurology (G.T.) and Neuroradiology (O.N.), Groupe Hospitalier Universitaire Paris, Centre Hospitalier Sainte-Anne, INSERM Unité 1266, the Departments of Neuroradiology (F.C.) and Neurology (S.A.), Hôpital La Pitié-Salpêtrière, Assistance Publique-Hôpitaux de Paris (AP-HP), the Departments of Neuroradiology (L. Spelle) and Neurology (C.D.), Hôpital Bicêtre, AP-HP, the Departments of Neurology (M. Mazighi) and Neuroradiology (E.H.), Hôpital Lariboisière AP-HP, and INSERM Unité 1266 (C.A.), Paris, the Department of Neuroradiology, Nantes Université, CHU Nantes (R.B.), INSERM Unité Mixte de Recherche 1087, Centre National de la Recherche Scientifique, University of Nantes, L'institut du Thorax (R.B.), and Clinique Neurologique, Hôpital G.R. Laennec CHU Nantes (B. Guillon), Nantes, the Departments of Neurology (S.G.) and Neuroradiology (A.P.-P.), CHU d'Angers, Angers, the Departments of Neuroradiology (O.F.E.) and Neurology (T.-H.C.), Hospices Civils de Lyon, Groupement Hospitalier Est Hôpital Pierre Wertheimer, Lyon, the Departments of Neuroradiology (S.V.) and Neurology (M.L.), CHU Poitiers, Site de La Milétrie, Poitiers, the Stroke Unit (L. Suissa) and the Department of Neuroradiology (H.B.), Assistance Publique-Hôpitaux de Marseille, Hôpital de la Timone, Marseille, the Departments of Neuroradiology (J.-C.G.) and Neurology (S.T.), Centre Hospitalier Régional Universitaire (CHRU) Brest, Hôpital de la Cavale Blanche, Brest, the Departments of Neurology (C.L.) and Neuroradiology (C. Chivot), CHU Amiens-Picardie, Amiens, the Departments of Neurology (F.M.-M.) and Neuroradiology (C.M.), CHU Limoges, Dupuytren, Limoges, the Departments of Neurology (O.O.-W.) and Neuroradiology (C.P.), CHU Rouen, Rouen, the Departments of Neurology (V.W.) and Neuroradiology (R.P.), CHRU Strasbourg, Hôpitaux Universitaires de Strasbourg, Hôpital de Hautepierre, Strasbourg, the Departments of Neurology (A.F.) and Neuroradiology (E.C.), CHU Clermont-Ferrand, Hôpital Gabriel Montpied, Clermont-Ferrand, the Departments of Neuroradiology (F.R.) and Neurology (Y.B.), CHU Dijon-Bourgogne, Hôpital François Mitterrand, Dijon, and the Department of Neurology, Hôpital Foch, Suresnes (B.L.), and the Department of Neurology, Hôpital Gui de Chauliac, Montpellier (C.A.) - all in France; Cooper Neurological Institute and Cooper Medical School of Rowan University, Camden, NJ (T.G.J.); the Department of Neurology, Hospital Universitari de Bellvitge, L'Hospitalet de Llobregat (P.C.), and the Department of Neurology, Hospital Clínic de Barcelona (A.R.), Barcelona, the Department of Radiology, Hospital Universitario Central de Asturias, Oviedo (E.L.-C., P.V.), the Department of Neurology Hospital Germans Trias i Pujol, Badalona (M. Millán), Hospital Clínico Universitario de Valladolid, Valladolid (J.F. Arenillas), and the Department of Neurology, Hospital Universitario Cruces, Baracaldo (M.M.F.) - all in Spain; and the Department of Neurology, University of Southern California (N.S.), and the Department of Neurology, UCLA (D.S.L.) - both in Los Angeles.

Publisher: Massachusetts Medical Society Country of Publication: United States NLM ID: 0255562 Publication Model: Print Cited Medium: Internet ISSN: 1533-4406 (Electronic) Linking ISSN: 00284793 NLM ISO Abbreviation: N Engl J Med Subsets: MEDLINE

Grangeon L; From Neurology (L.G., O.O.-W., A.T.-B., D.W., P.V., G.Q.), CHU de Rouen; Radiology (G.B., F.B.), CHRU de Tours; Service des Urgences Neurovasculaires (J.C., S.A.), Hôpital Pitié-Salpêtrière, Sorbonne Université, AP-HP, Stare Team, iCRIN, Institut du Cerveau, Paris; Neurology (D. Renard, A.W., E. Thouvenot), CHU de Nîmes; Neurology (N.R., C.G., J.P.), CHU de Toulouse; Neurology (X.A., C.A., P.M.L.), CHU de Montpellier; Radiology (E.G.), CHU de Rouen; Neurology (P.K.), CHU de Luxembourg; Neurology (D.S., N.O., T.A.), CH de Perpignan; Neurology (M.F.), Hospices Civils de Lyon; Neurology (F.P.), CH de Versailles; Neurology (G.T., C.I.), GHU Paris; Geriatric Medicine (M. Verny), Hôpital Pitié-Salpêtrière, AP-HP, Paris; Neurology (L.H.), CHRU de Nancy; Neurology (M. Gaudron), CHRU de Tours; Neurology (S.V.), CHU de Rennes; Neurology (N.D., H.Z.), CHU de Lille; Neurology (B.G.), CHU de Nantes; Université Grenoble Alpes (O.D.), INSERM, U1216, Neurology, CHU de Grenoble Alpes, Grenoble Institute Neurosciences; Neurology (S.G.), CHU de Angers; UR2CA-URRIS (B.C.), Stroke Unit, CHU Pasteur 2, Nice Cote d'Azur University; Internal Medicine (M.L., S.B.), CHU de Nice; Internal Medicine (M.G.-V.), Hôpital Croix-Rousse, Lyon; Neurology (L.K.), CHRU de Strasbourg; Neurology (L.D.), CH de Lorient, France; Neurology (N.L.), CHU de Liège/CHR la Citadelle, Liège, Belgique; Neurology (S.L.), Hôpital du Sacré-cœur de Montréal; Neurology (A.P.), CH de l'Université de Montréal, Québec, Canada; Internal Medicine (A.R., B.T.), Université Paris-Cité, Hôpital Cochin, AP-HP; Neurology (D.W.-L.), Hôpital Foch, Suresnes; Internal Medicine (M. Vautier), Hôpital Pitié-Salpêtrière, Paris; Neurology (S.C.), CH de Gonesse; Internal Medicine (A. Neel), CHU de Nantes; Université Caen-Normandie (O.M., R.S., E. Touzé, A. Nehme), Neurology, CHU de Caen-Normandie; Internal Medicine (T.P.), Hôpital Bichat; Internal Medicine (C.C.-O.), Hôpital Lariboisière; Neurology (E.J.), Hôpital Lariboisière, Paris; Neurology (M.S.), HIA Sainte-Anne, Toulon; Neurology (L.P.-M.), CHU de Clermont-Ferrand; Neurology (M.A.K.), CH Troyes; Neurology (F.L.), CH d'Orsay; Neurology, CH de Saint-Denis; Université de Franche-Comté (E.M.), LINC Laboratoire de Recherches Intégratives en Neurosciences et Psychologie Cognitive et CMRR, Service de Neurologie, CHU de Besançon; Neurology (Q.T., M. Graber), CHU de Dijon; Neurology (Y.B.), CH de Béziers; Neurology (G.B.-F., D. Ratiu), CH de Narbonne, France; Vasculitis Clinic (C.P.), Mount Sinai Hospital, University of Toronto, Ontario, Canada; and Université Caen-Normandie (H.D.B.), Internal Medicine, CHU de Caen-Normandie, France.; Boulouis G; From Neurology (L.G., O.O.-W., A.T.-B., D.W., P.V., G.Q.), CHU de Rouen; Radiology (G.B., F.B.), CHRU de Tours; Service des Urgences Neurovasculaires (J.C., S.A.), Hôpital Pitié-Salpêtrière, Sorbonne Université, AP-HP, Stare Team, iCRIN, Institut du Cerveau, Paris; Neurology (D. Renard, A.W., E. Thouvenot), CHU de Nîmes; Neurology (N.R., C.G., J.P.), CHU de Toulouse; Neurology (X.A., C.A., P.M.L.), CHU de Montpellier; Radiology (E.G.), CHU de Rouen; Neurology (P.K.), CHU de Luxembourg; Neurology (D.S., N.O., T.A.), CH de Perpignan; Neurology (M.F.), Hospices Civils de Lyon; Neurology (F.P.), CH de Versailles; Neurology (G.T., C.I.), GHU Paris; Geriatric Medicine (M. Verny), Hôpital Pitié-Salpêtrière, AP-HP, Paris; Neurology (L.H.), CHRU de Nancy; Neurology (M. Gaudron), CHRU de Tours; Neurology (S.V.), CHU de Rennes; Neurology (N.D., H.Z.), CHU de Lille; Neurology (B.G.), CHU de Nantes; Université Grenoble Alpes (O.D.), INSERM, U1216, Neurology, CHU de Grenoble Alpes, Grenoble Institute Neurosciences; Neurology (S.G.), CHU de Angers; UR2CA-URRIS (B.C.), Stroke Unit, CHU Pasteur 2, Nice Cote d'Azur University; Internal Medicine (M.L., S.B.), CHU de Nice; Internal Medicine (M.G.-V.), Hôpital Croix-Rousse, Lyon; Neurology (L.K.), CHRU de Strasbourg; Neurology (L.D.), CH de Lorient, France; Neurology (N.L.), CHU de Liège/CHR la Citadelle, Liège, Belgique; Neurology (S.L.), Hôpital du Sacré-cœur de Montréal; Neurology (A.P.), CH de l'Université de Montréal, Québec, Canada; Internal Medicine (A.R., B.T.), Université Paris-Cité, Hôpital Cochin, AP-HP; Neurology (D.W.-L.), Hôpital Foch, Suresnes; Internal Medicine (M. Vautier), Hôpital Pitié-Salpêtrière, Paris; Neurology (S.C.), CH de Gonesse; Internal Medicine (A. Neel), CHU de Nantes; Université Caen-Normandie (O.M., R.S., E. Touzé, A. Nehme), Neurology, CHU de Caen-Normandie; Internal Medicine (T.P.), Hôpital Bichat; Internal Medicine (C.C.-O.), Hôpital Lariboisière; Neurology (E.J.), Hôpital Lariboisière, Paris; Neurology (M.S.), HIA Sainte-Anne, Toulon; Neurology (L.P.-M.), CHU de Clermont-Ferrand; Neurology (M.A.K.), CH Troyes; Neurology (F.L.), CH d'Orsay; Neurology, CH de Saint-Denis; Université de Franche-Comté (E.M.), LINC Laboratoire de Recherches Intégratives en Neurosciences et Psychologie Cognitive et CMRR, Service de Neurologie, CHU de Besançon; Neurology (Q.T., M. Graber), CHU de Dijon; Neurology (Y.B.), CH de Béziers; Neurology (G.B.-F., D. Ratiu), CH de Narbonne, France; Vasculitis Clinic (C.P.), Mount Sinai Hospital, University of Toronto, Ontario, Canada; and Université Caen-Normandie (H.D.B.), Internal Medicine, CHU de Caen-Normandie, France.; Capron J; From Neurology (L.G., O.O.-W., A.T.-B., D.W., P.V., G.Q.), CHU de Rouen; Radiology (G.B., F.B.), CHRU de Tours; Service des Urgences Neurovasculaires (J.C., S.A.), Hôpital Pitié-Salpêtrière, Sorbonne Université, AP-HP, Stare Team, iCRIN, Institut du Cerveau, Paris; Neurology (D. Renard, A.W., E. Thouvenot), CHU de Nîmes; Neurology (N.R., C.G., J.P.), CHU de Toulouse; Neurology (X.A., C.A., P.M.L.), CHU de Montpellier; Radiology (E.G.), CHU de Rouen; Neurology (P.K.), CHU de Luxembourg; Neurology (D.S., N.O., T.A.), CH de Perpignan; Neurology (M.F.), Hospices Civils de Lyon; Neurology (F.P.), CH de Versailles; Neurology (G.T., C.I.), GHU Paris; Geriatric Medicine (M. Verny), Hôpital Pitié-Salpêtrière, AP-HP, Paris; Neurology (L.H.), CHRU de Nancy; Neurology (M. Gaudron), CHRU de Tours; Neurology (S.V.), CHU de Rennes; Neurology (N.D., H.Z.), CHU de Lille; Neurology (B.G.), CHU de Nantes; Université Grenoble Alpes (O.D.), INSERM, U1216, Neurology, CHU de Grenoble Alpes, Grenoble Institute Neurosciences; Neurology (S.G.), CHU de Angers; UR2CA-URRIS (B.C.), Stroke Unit, CHU Pasteur 2, Nice Cote d'Azur University; Internal Medicine (M.L., S.B.), CHU de Nice; Internal Medicine (M.G.-V.), Hôpital Croix-Rousse, Lyon; Neurology (L.K.), CHRU de Strasbourg; Neurology (L.D.), CH de Lorient, France; Neurology (N.L.), CHU de Liège/CHR la Citadelle, Liège, Belgique; Neurology (S.L.), Hôpital du Sacré-cœur de Montréal; Neurology (A.P.), CH de l'Université de Montréal, Québec, Canada; Internal Medicine (A.R., B.T.), Université Paris-Cité, Hôpital Cochin, AP-HP; Neurology (D.W.-L.), Hôpital Foch, Suresnes; Internal Medicine (M. Vautier), Hôpital Pitié-Salpêtrière, Paris; Neurology (S.C.), CH de Gonesse; Internal Medicine (A. Neel), CHU de Nantes; Université Caen-Normandie (O.M., R.S., E. Touzé, A. Nehme), Neurology, CHU de Caen-Normandie; Internal Medicine (T.P.), Hôpital Bichat; Internal Medicine (C.C.-O.), Hôpital Lariboisière; Neurology (E.J.), Hôpital Lariboisière, Paris; Neurology (M.S.), HIA Sainte-Anne, Toulon; Neurology (L.P.-M.), CHU de Clermont-Ferrand; Neurology (M.A.K.), CH Troyes; Neurology (F.L.), CH d'Orsay; Neurology, CH de Saint-Denis; Université de Franche-Comté (E.M.), LINC Laboratoire de Recherches Intégratives en Neurosciences et Psychologie Cognitive et CMRR, Service de Neurologie, CHU de Besançon; Neurology (Q.T., M. Graber), CHU de Dijon; Neurology (Y.B.), CH de Béziers; Neurology (G.B.-F., D. Ratiu), CH de Narbonne, France; Vasculitis Clinic (C.P.), Mount Sinai Hospital, University of Toronto, Ontario, Canada; and Université Caen-Normandie (H.D.B.), Internal Medicine, CHU de Caen-Normandie, France.; Bala F; From Neurology (L.G., O.O.-W., A.T.-B., D.W., P.V., G.Q.), CHU de Rouen; Radiology (G.B., F.B.), CHRU de Tours; Service des Urgences Neurovasculaires (J.C., S.A.), Hôpital Pitié-Salpêtrière, Sorbonne Université, AP-HP, Stare Team, iCRIN, Institut du Cerveau, Paris; Neurology (D. Renard, A.W., E. Thouvenot), CHU de Nîmes; Neurology (N.R., C.G., J.P.), CHU de Toulouse; Neurology (X.A., C.A., P.M.L.), CHU de Montpellier; Radiology (E.G.), CHU de Rouen; Neurology (P.K.), CHU de Luxembourg; Neurology (D.S., N.O., T.A.), CH de Perpignan; Neurology (M.F.), Hospices Civils de Lyon; Neurology (F.P.), CH de Versailles; Neurology (G.T., C.I.), GHU Paris; Geriatric Medicine (M. Verny), Hôpital Pitié-Salpêtrière, AP-HP, Paris; Neurology (L.H.), CHRU de Nancy; Neurology (M. Gaudron), CHRU de Tours; Neurology (S.V.), CHU de Rennes; Neurology (N.D., H.Z.), CHU de Lille; Neurology (B.G.), CHU de Nantes; Université Grenoble Alpes (O.D.), INSERM, U1216, Neurology, CHU de Grenoble Alpes, Grenoble Institute Neurosciences; Neurology (S.G.), CHU de Angers; UR2CA-URRIS (B.C.), Stroke Unit, CHU Pasteur 2, Nice Cote d'Azur University; Internal Medicine (M.L., S.B.), CHU de Nice; Internal Medicine (M.G.-V.), Hôpital Croix-Rousse, Lyon; Neurology (L.K.), CHRU de Strasbourg; Neurology (L.D.), CH de Lorient, France; Neurology (N.L.), CHU de Liège/CHR la Citadelle, Liège, Belgique; Neurology (S.L.), Hôpital du Sacré-cœur de Montréal; Neurology (A.P.), CH de l'Université de Montréal, Québec, Canada; Internal Medicine (A.R., B.T.), Université Paris-Cité, Hôpital Cochin, AP-HP; Neurology (D.W.-L.), Hôpital Foch, Suresnes; Internal Medicine (M. Vautier), Hôpital Pitié-Salpêtrière, Paris; Neurology (S.C.), CH de Gonesse; Internal Medicine (A. Neel), CHU de Nantes; Université Caen-Normandie (O.M., R.S., E. Touzé, A. Nehme), Neurology, CHU de Caen-Normandie; Internal Medicine (T.P.), Hôpital Bichat; Internal Medicine (C.C.-O.), Hôpital Lariboisière; Neurology (E.J.), Hôpital Lariboisière, Paris; Neurology (M.S.), HIA Sainte-Anne, Toulon; Neurology (L.P.-M.), CHU de Clermont-Ferrand; Neurology (M.A.K.), CH Troyes; Neurology (F.L.), CH d'Orsay; Neurology, CH de Saint-Denis; Université de Franche-Comté (E.M.), LINC Laboratoire de Recherches Intégratives en Neurosciences et Psychologie Cognitive et CMRR, Service de Neurologie, CHU de Besançon; Neurology (Q.T., M. Graber), CHU de Dijon; Neurology (Y.B.), CH de Béziers; Neurology (G.B.-F., D. Ratiu), CH de Narbonne, France; Vasculitis Clinic (C.P.), Mount Sinai Hospital, University of Toronto, Ontario, Canada; and Université Caen-Normandie (H.D.B.), Internal Medicine, CHU de Caen-Normandie, France.; Renard D; From Neurology (L.G., O.O.-W., A.T.-B., D.W., P.V., G.Q.), CHU de Rouen; Radiology (G.B., F.B.), CHRU de Tours; Service des Urgences Neurovasculaires (J.C., S.A.), Hôpital Pitié-Salpêtrière, Sorbonne Université, AP-HP, Stare Team, iCRIN, Institut du Cerveau, Paris; Neurology (D. Renard, A.W., E. Thouvenot), CHU de Nîmes; Neurology (N.R., C.G., J.P.), CHU de Toulouse; Neurology (X.A., C.A., P.M.L.), CHU de Montpellier; Radiology (E.G.), CHU de Rouen; Neurology (P.K.), CHU de Luxembourg; Neurology (D.S., N.O., T.A.), CH de Perpignan; Neurology (M.F.), Hospices Civils de Lyon; Neurology (F.P.), CH de Versailles; Neurology (G.T., C.I.), GHU Paris; Geriatric Medicine (M. Verny), Hôpital Pitié-Salpêtrière, AP-HP, Paris; Neurology (L.H.), CHRU de Nancy; Neurology (M. Gaudron), CHRU de Tours; Neurology (S.V.), CHU de Rennes; Neurology (N.D., H.Z.), CHU de Lille; Neurology (B.G.), CHU de Nantes; Université Grenoble Alpes (O.D.), INSERM, U1216, Neurology, CHU de Grenoble Alpes, Grenoble Institute Neurosciences; Neurology (S.G.), CHU de Angers; UR2CA-URRIS (B.C.), Stroke Unit, CHU Pasteur 2, Nice Cote d'Azur University; Internal Medicine (M.L., S.B.), CHU de Nice; Internal Medicine (M.G.-V.), Hôpital Croix-Rousse, Lyon; Neurology (L.K.), CHRU de Strasbourg; Neurology (L.D.), CH de Lorient, France; Neurology (N.L.), CHU de Liège/CHR la Citadelle, Liège, Belgique; Neurology (S.L.), Hôpital du Sacré-cœur de Montréal; Neurology (A.P.), CH de l'Université de Montréal, Québec, Canada; Internal Medicine (A.R., B.T.), Université Paris-Cité, Hôpital Cochin, AP-HP; Neurology (D.W.-L.), Hôpital Foch, Suresnes; Internal Medicine (M. Vautier), Hôpital Pitié-Salpêtrière, Paris; Neurology (S.C.), CH de Gonesse; Internal Medicine (A. Neel), CHU de Nantes; Université Caen-Normandie (O.M., R.S., E. Touzé, A. Nehme), Neurology, CHU de Caen-Normandie; Internal Medicine (T.P.), Hôpital Bichat; Internal Medicine (C.C.-O.), Hôpital Lariboisière; Neurology (E.J.), Hôpital Lariboisière, Paris; Neurology (M.S.), HIA Sainte-Anne, Toulon; Neurology (L.P.-M.), CHU de Clermont-Ferrand; Neurology (M.A.K.), CH Troyes; Neurology (F.L.), CH d'Orsay; Neurology, CH de Saint-Denis; Université de Franche-Comté (E.M.), LINC Laboratoire de Recherches Intégratives en Neurosciences et Psychologie Cognitive et CMRR, Service de Neurologie, CHU de Besançon; Neurology (Q.T., M. Graber), CHU de Dijon; Neurology (Y.B.), CH de Béziers; Neurology (G.B.-F., D. Ratiu), CH de Narbonne, France; Vasculitis Clinic (C.P.), Mount Sinai Hospital, University of Toronto, Ontario, Canada; and Université Caen-Normandie (H.D.B.), Internal Medicine, CHU de Caen-Normandie, France.; Raposo N; From Neurology (L.G., O.O.-W., A.T.-B., D.W., P.V., G.Q.), CHU de Rouen; Radiology (G.B., F.B.), CHRU de Tours; Service des Urgences Neurovasculaires (J.C., S.A.), Hôpital Pitié-Salpêtrière, Sorbonne Université, AP-HP, Stare Team, iCRIN, Institut du Cerveau, Paris; Neurology (D. Renard, A.W., E. Thouvenot), CHU de Nîmes; Neurology (N.R., C.G., J.P.), CHU de Toulouse; Neurology (X.A., C.A., P.M.L.), CHU de Montpellier; Radiology (E.G.), CHU de Rouen; Neurology (P.K.), CHU de Luxembourg; Neurology (D.S., N.O., T.A.), CH de Perpignan; Neurology (M.F.), Hospices Civils de Lyon; Neurology (F.P.), CH de Versailles; Neurology (G.T., C.I.), GHU Paris; Geriatric Medicine (M. Verny), Hôpital Pitié-Salpêtrière, AP-HP, Paris; Neurology (L.H.), CHRU de Nancy; Neurology (M. Gaudron), CHRU de Tours; Neurology (S.V.), CHU de Rennes; Neurology (N.D., H.Z.), CHU de Lille; Neurology (B.G.), CHU de Nantes; Université Grenoble Alpes (O.D.), INSERM, U1216, Neurology, CHU de Grenoble Alpes, Grenoble Institute Neurosciences; Neurology (S.G.), CHU de Angers; UR2CA-URRIS (B.C.), Stroke Unit, CHU Pasteur 2, Nice Cote d'Azur University; Internal Medicine (M.L., S.B.), CHU de Nice; Internal Medicine (M.G.-V.), Hôpital Croix-Rousse, Lyon; Neurology (L.K.), CHRU de Strasbourg; Neurology (L.D.), CH de Lorient, France; Neurology (N.L.), CHU de Liège/CHR la Citadelle, Liège, Belgique; Neurology (S.L.), Hôpital du Sacré-cœur de Montréal; Neurology (A.P.), CH de l'Université de Montréal, Québec, Canada; Internal Medicine (A.R., B.T.), Université Paris-Cité, Hôpital Cochin, AP-HP; Neurology (D.W.-L.), Hôpital Foch, Suresnes; Internal Medicine (M. Vautier), Hôpital Pitié-Salpêtrière, Paris; Neurology (S.C.), CH de Gonesse; Internal Medicine (A. Neel), CHU de Nantes; Université Caen-Normandie (O.M., R.S., E. Touzé, A. Nehme), Neurology, CHU de Caen-Normandie; Internal Medicine (T.P.), Hôpital Bichat; Internal Medicine (C.C.-O.), Hôpital Lariboisière; Neurology (E.J.), Hôpital Lariboisière, Paris; Neurology (M.S.), HIA Sainte-Anne, Toulon; Neurology (L.P.-M.), CHU de Clermont-Ferrand; Neurology (M.A.K.), CH Troyes; Neurology (F.L.), CH d'Orsay; Neurology, CH de Saint-Denis; Université de Franche-Comté (E.M.), LINC Laboratoire de Recherches Intégratives en Neurosciences et Psychologie Cognitive et CMRR, Service de Neurologie, CHU de Besançon; Neurology (Q.T., M. Graber), CHU de Dijon; Neurology (Y.B.), CH de Béziers; Neurology (G.B.-F., D. Ratiu), CH de Narbonne, France; Vasculitis Clinic (C.P.), Mount Sinai Hospital, University of Toronto, Ontario, Canada; and Université Caen-Normandie (H.D.B.), Internal Medicine, CHU de Caen-Normandie, France.; Ozkul-Wermester O; From Neurology (L.G., O.O.-W., A.T.-B., D.W., P.V., G.Q.), CHU de Rouen; Radiology (G.B., F.B.), CHRU de Tours; Service des Urgences Neurovasculaires (J.C., S.A.), Hôpital Pitié-Salpêtrière, Sorbonne Université, AP-HP, Stare Team, iCRIN, Institut du Cerveau, Paris; Neurology (D. Renard, A.W., E. Thouvenot), CHU de Nîmes; Neurology (N.R., C.G., J.P.), CHU de Toulouse; Neurology (X.A., C.A., P.M.L.), CHU de Montpellier; Radiology (E.G.), CHU de Rouen; Neurology (P.K.), CHU de Luxembourg; Neurology (D.S., N.O., T.A.), CH de Perpignan; Neurology (M.F.), Hospices Civils de Lyon; Neurology (F.P.), CH de Versailles; Neurology (G.T., C.I.), GHU Paris; Geriatric Medicine (M. Verny), Hôpital Pitié-Salpêtrière, AP-HP, Paris; Neurology (L.H.), CHRU de Nancy; Neurology (M. Gaudron), CHRU de Tours; Neurology (S.V.), CHU de Rennes; Neurology (N.D., H.Z.), CHU de Lille; Neurology (B.G.), CHU de Nantes; Université Grenoble Alpes (O.D.), INSERM, U1216, Neurology, CHU de Grenoble Alpes, Grenoble Institute Neurosciences; Neurology (S.G.), CHU de Angers; UR2CA-URRIS (B.C.), Stroke Unit, CHU Pasteur 2, Nice Cote d'Azur University; Internal Medicine (M.L., S.B.), CHU de Nice; Internal Medicine (M.G.-V.), Hôpital Croix-Rousse, Lyon; Neurology (L.K.), CHRU de Strasbourg; Neurology (L.D.), CH de Lorient, France; Neurology (N.L.), CHU de Liège/CHR la Citadelle, Liège, Belgique; Neurology (S.L.), Hôpital du Sacré-cœur de Montréal; Neurology (A.P.), CH de l'Université de Montréal, Québec, Canada; Internal Medicine (A.R., B.T.), Université Paris-Cité, Hôpital Cochin, AP-HP; Neurology (D.W.-L.), Hôpital Foch, Suresnes; Internal Medicine (M. Vautier), Hôpital Pitié-Salpêtrière, Paris; Neurology (S.C.), CH de Gonesse; Internal Medicine (A. Neel), CHU de Nantes; Université Caen-Normandie (O.M., R.S., E. Touzé, A. Nehme), Neurology, CHU de Caen-Normandie; Internal Medicine (T.P.), Hôpital Bichat; Internal Medicine (C.C.-O.), Hôpital Lariboisière; Neurology (E.J.), Hôpital Lariboisière, Paris; Neurology (M.S.), HIA Sainte-Anne, Toulon; Neurology (L.P.-M.), CHU de Clermont-Ferrand; Neurology (M.A.K.), CH Troyes; Neurology (F.L.), CH d'Orsay; Neurology, CH de Saint-Denis; Université de Franche-Comté (E.M.), LINC Laboratoire de Recherches Intégratives en Neurosciences et Psychologie Cognitive et CMRR, Service de Neurologie, CHU de Besançon; Neurology (Q.T., M. Graber), CHU de Dijon; Neurology (Y.B.), CH de Béziers; Neurology (G.B.-F., D. Ratiu), CH de Narbonne, France; Vasculitis Clinic (C.P.), Mount Sinai Hospital, University of Toronto, Ontario, Canada; and Université Caen-Normandie (H.D.B.), Internal Medicine, CHU de Caen-Normandie, France.; Triquenot-Bagan A; From Neurology (L.G., O.O.-W., A.T.-B., D.W., P.V., G.Q.), CHU de Rouen; Radiology (G.B., F.B.), CHRU de Tours; Service des Urgences Neurovasculaires (J.C., S.A.), Hôpital Pitié-Salpêtrière, Sorbonne Université, AP-HP, Stare Team, iCRIN, Institut du Cerveau, Paris; Neurology (D. Renard, A.W., E. Thouvenot), CHU de Nîmes; Neurology (N.R., C.G., J.P.), CHU de Toulouse; Neurology (X.A., C.A., P.M.L.), CHU de Montpellier; Radiology (E.G.), CHU de Rouen; Neurology (P.K.), CHU de Luxembourg; Neurology (D.S., N.O., T.A.), CH de Perpignan; Neurology (M.F.), Hospices Civils de Lyon; Neurology (F.P.), CH de Versailles; Neurology (G.T., C.I.), GHU Paris; Geriatric Medicine (M. Verny), Hôpital Pitié-Salpêtrière, AP-HP, Paris; Neurology (L.H.), CHRU de Nancy; Neurology (M. Gaudron), CHRU de Tours; Neurology (S.V.), CHU de Rennes; Neurology (N.D., H.Z.), CHU de Lille; Neurology (B.G.), CHU de Nantes; Université Grenoble Alpes (O.D.), INSERM, U1216, Neurology, CHU de Grenoble Alpes, Grenoble Institute Neurosciences; Neurology (S.G.), CHU de Angers; UR2CA-URRIS (B.C.), Stroke Unit, CHU Pasteur 2, Nice Cote d'Azur University; Internal Medicine (M.L., S.B.), CHU de Nice; Internal Medicine (M.G.-V.), Hôpital Croix-Rousse, Lyon; Neurology (L.K.), CHRU de Strasbourg; Neurology (L.D.), CH de Lorient, France; Neurology (N.L.), CHU de Liège/CHR la Citadelle, Liège, Belgique; Neurology (S.L.), Hôpital du Sacré-cœur de Montréal; Neurology (A.P.), CH de l'Université de Montréal, Québec, Canada; Internal Medicine (A.R., B.T.), Université Paris-Cité, Hôpital Cochin, AP-HP; Neurology (D.W.-L.), Hôpital Foch, Suresnes; Internal Medicine (M. Vautier), Hôpital Pitié-Salpêtrière, Paris; Neurology (S.C.), CH de Gonesse; Internal Medicine (A. Neel), CHU de Nantes; Université Caen-Normandie (O.M., R.S., E. Touzé, A. Nehme), Neurology, CHU de Caen-Normandie; Internal Medicine (T.P.), Hôpital Bichat; Internal Medicine (C.C.-O.), Hôpital Lariboisière; Neurology (E.J.), Hôpital Lariboisière, Paris; Neurology (M.S.), HIA Sainte-Anne, Toulon; Neurology (L.P.-M.), CHU de Clermont-Ferrand; Neurology (M.A.K.), CH Troyes; Neurology (F.L.), CH d'Orsay; Neurology, CH de Saint-Denis; Université de Franche-Comté (E.M.), LINC Laboratoire de Recherches Intégratives en Neurosciences et Psychologie Cognitive et CMRR, Service de Neurologie, CHU de Besançon; Neurology (Q.T., M. Graber), CHU de Dijon; Neurology (Y.B.), CH de Béziers; Neurology (G.B.-F., D. Ratiu), CH de Narbonne, France; Vasculitis Clinic (C.P.), Mount Sinai Hospital, University of Toronto, Ontario, Canada; and Université Caen-Normandie (H.D.B.), Internal Medicine, CHU de Caen-Normandie, France.; Ayrignac X; From Neurology (L.G., O.O.-W., A.T.-B., D.W., P.V., G.Q.), CHU de Rouen; Radiology (G.B., F.B.), CHRU de Tours; Service des Urgences Neurovasculaires (J.C., S.A.), Hôpital Pitié-Salpêtrière, Sorbonne Université, AP-HP, Stare Team, iCRIN, Institut du Cerveau, Paris; Neurology (D. Renard, A.W., E. Thouvenot), CHU de Nîmes; Neurology (N.R., C.G., J.P.), CHU de Toulouse; Neurology (X.A., C.A., P.M.L.), CHU de Montpellier; Radiology (E.G.), CHU de Rouen; Neurology (P.K.), CHU de Luxembourg; Neurology (D.S., N.O., T.A.), CH de Perpignan; Neurology (M.F.), Hospices Civils de Lyon; Neurology (F.P.), CH de Versailles; Neurology (G.T., C.I.), GHU Paris; Geriatric Medicine (M. Verny), Hôpital Pitié-Salpêtrière, AP-HP, Paris; Neurology (L.H.), CHRU de Nancy; Neurology (M. Gaudron), CHRU de Tours; Neurology (S.V.), CHU de Rennes; Neurology (N.D., H.Z.), CHU de Lille; Neurology (B.G.), CHU de Nantes; Université Grenoble Alpes (O.D.), INSERM, U1216, Neurology, CHU de Grenoble Alpes, Grenoble Institute Neurosciences; Neurology (S.G.), CHU de Angers; UR2CA-URRIS (B.C.), Stroke Unit, CHU Pasteur 2, Nice Cote d'Azur University; Internal Medicine (M.L., S.B.), CHU de Nice; Internal Medicine (M.G.-V.), Hôpital Croix-Rousse, Lyon; Neurology (L.K.), CHRU de Strasbourg; Neurology (L.D.), CH de Lorient, France; Neurology (N.L.), CHU de Liège/CHR la Citadelle, Liège, Belgique; Neurology (S.L.), Hôpital du Sacré-cœur de Montréal; Neurology (A.P.), CH de l'Université de Montréal, Québec, Canada; Internal Medicine (A.R., B.T.), Université Paris-Cité, Hôpital Cochin, AP-HP; Neurology (D.W.-L.), Hôpital Foch, Suresnes; Internal Medicine (M. Vautier), Hôpital Pitié-Salpêtrière, Paris; Neurology (S.C.), CH de Gonesse; Internal Medicine (A. Neel), CHU de Nantes; Université Caen-Normandie (O.M., R.S., E. Touzé, A. Nehme), Neurology, CHU de Caen-Normandie; Internal Medicine (T.P.), Hôpital Bichat; Internal Medicine (C.C.-O.), Hôpital Lariboisière; Neurology (E.J.), Hôpital Lariboisière, Paris; Neurology (M.S.), HIA Sainte-Anne, Toulon; Neurology (L.P.-M.), CHU de Clermont-Ferrand; Neurology (M.A.K.), CH Troyes; Neurology (F.L.), CH d'Orsay; Neurology, CH de Saint-Denis; Université de Franche-Comté (E.M.), LINC Laboratoire de Recherches Intégratives en Neurosciences et Psychologie Cognitive et CMRR, Service de Neurologie, CHU de Besançon; Neurology (Q.T., M. Graber), CHU de Dijon; Neurology (Y.B.), CH de Béziers; Neurology (G.B.-F., D. Ratiu), CH de Narbonne, France; Vasculitis Clinic (C.P.), Mount Sinai Hospital, University of Toronto, Ontario, Canada; and Université Caen-Normandie (H.D.B.), Internal Medicine, CHU de Caen-Normandie, France.; Wallon D; From Neurology (L.G., O.O.-W., A.T.-B., D.W., P.V., G.Q.), CHU de Rouen; Radiology (G.B., F.B.), CHRU de Tours; Service des Urgences Neurovasculaires (J.C., S.A.), Hôpital Pitié-Salpêtrière, Sorbonne Université, AP-HP, Stare Team, iCRIN, Institut du Cerveau, Paris; Neurology (D. Renard, A.W., E. Thouvenot), CHU de Nîmes; Neurology (N.R., C.G., J.P.), CHU de Toulouse; Neurology (X.A., C.A., P.M.L.), CHU de Montpellier; Radiology (E.G.), CHU de Rouen; Neurology (P.K.), CHU de Luxembourg; Neurology (D.S., N.O., T.A.), CH de Perpignan; Neurology (M.F.), Hospices Civils de Lyon; Neurology (F.P.), CH de Versailles; Neurology (G.T., C.I.), GHU Paris; Geriatric Medicine (M. Verny), Hôpital Pitié-Salpêtrière, AP-HP, Paris; Neurology (L.H.), CHRU de Nancy; Neurology (M. Gaudron), CHRU de Tours; Neurology (S.V.), CHU de Rennes; Neurology (N.D., H.Z.), CHU de Lille; Neurology (B.G.), CHU de Nantes; Université Grenoble Alpes (O.D.), INSERM, U1216, Neurology, CHU de Grenoble Alpes, Grenoble Institute Neurosciences; Neurology (S.G.), CHU de Angers; UR2CA-URRIS (B.C.), Stroke Unit, CHU Pasteur 2, Nice Cote d'Azur University; Internal Medicine (M.L., S.B.), CHU de Nice; Internal Medicine (M.G.-V.), Hôpital Croix-Rousse, Lyon; Neurology (L.K.), CHRU de Strasbourg; Neurology (L.D.), CH de Lorient, France; Neurology (N.L.), CHU de Liège/CHR la Citadelle, Liège, Belgique; Neurology (S.L.), Hôpital du Sacré-cœur de Montréal; Neurology (A.P.), CH de l'Université de Montréal, Québec, Canada; Internal Medicine (A.R., B.T.), Université Paris-Cité, Hôpital Cochin, AP-HP; Neurology (D.W.-L.), Hôpital Foch, Suresnes; Internal Medicine (M. Vautier), Hôpital Pitié-Salpêtrière, Paris; Neurology (S.C.), CH de Gonesse; Internal Medicine (A. Neel), CHU de Nantes; Université Caen-Normandie (O.M., R.S., E. Touzé, A. Nehme), Neurology, CHU de Caen-Normandie; Internal Medicine (T.P.), Hôpital Bichat; Internal Medicine (C.C.-O.), Hôpital Lariboisière; Neurology (E.J.), Hôpital Lariboisière, Paris; Neurology (M.S.), HIA Sainte-Anne, Toulon; Neurology (L.P.-M.), CHU de Clermont-Ferrand; Neurology (M.A.K.), CH Troyes; Neurology (F.L.), CH d'Orsay; Neurology, CH de Saint-Denis; Université de Franche-Comté (E.M.), LINC Laboratoire de Recherches Intégratives en Neurosciences et Psychologie Cognitive et CMRR, Service de Neurologie, CHU de Besançon; Neurology (Q.T., M. Graber), CHU de Dijon; Neurology (Y.B.), CH de Béziers; Neurology (G.B.-F., D. Ratiu), CH de Narbonne, France; Vasculitis Clinic (C.P.), Mount Sinai Hospital, University of Toronto, Ontario, Canada; and Université Caen-Normandie (H.D.B.), Internal Medicine, CHU de Caen-Normandie, France.; Gerardin E; From Neurology (L.G., O.O.-W., A.T.-B., D.W., P.V., G.Q.), CHU de Rouen; Radiology (G.B., F.B.), CHRU de Tours; Service des Urgences Neurovasculaires (J.C., S.A.), Hôpital Pitié-Salpêtrière, Sorbonne Université, AP-HP, Stare Team, iCRIN, Institut du Cerveau, Paris; Neurology (D. Renard, A.W., E. Thouvenot), CHU de Nîmes; Neurology (N.R., C.G., J.P.), CHU de Toulouse; Neurology (X.A., C.A., P.M.L.), CHU de Montpellier; Radiology (E.G.), CHU de Rouen; Neurology (P.K.), CHU de Luxembourg; Neurology (D.S., N.O., T.A.), CH de Perpignan; Neurology (M.F.), Hospices Civils de Lyon; Neurology (F.P.), CH de Versailles; Neurology (G.T., C.I.), GHU Paris; Geriatric Medicine (M. Verny), Hôpital Pitié-Salpêtrière, AP-HP, Paris; Neurology (L.H.), CHRU de Nancy; Neurology (M. Gaudron), CHRU de Tours; Neurology (S.V.), CHU de Rennes; Neurology (N.D., H.Z.), CHU de Lille; Neurology (B.G.), CHU de Nantes; Université Grenoble Alpes (O.D.), INSERM, U1216, Neurology, CHU de Grenoble Alpes, Grenoble Institute Neurosciences; Neurology (S.G.), CHU de Angers; UR2CA-URRIS (B.C.), Stroke Unit, CHU Pasteur 2, Nice Cote d'Azur University; Internal Medicine (M.L., S.B.), CHU de Nice; Internal Medicine (M.G.-V.), Hôpital Croix-Rousse, Lyon; Neurology (L.K.), CHRU de Strasbourg; Neurology (L.D.), CH de Lorient, France; Neurology (N.L.), CHU de Liège/CHR la Citadelle, Liège, Belgique; Neurology (S.L.), Hôpital du Sacré-cœur de Montréal; Neurology (A.P.), CH de l'Université de Montréal, Québec, Canada; Internal Medicine (A.R., B.T.), Université Paris-Cité, Hôpital Cochin, AP-HP; Neurology (D.W.-L.), Hôpital Foch, Suresnes; Internal Medicine (M. Vautier), Hôpital Pitié-Salpêtrière, Paris; Neurology (S.C.), CH de Gonesse; Internal Medicine (A. Neel), CHU de Nantes; Université Caen-Normandie (O.M., R.S., E. Touzé, A. Nehme), Neurology, CHU de Caen-Normandie; Internal Medicine (T.P.), Hôpital Bichat; Internal Medicine (C.C.-O.), Hôpital Lariboisière; Neurology (E.J.), Hôpital Lariboisière, Paris; Neurology (M.S.), HIA Sainte-Anne, Toulon; Neurology (L.P.-M.), CHU de Clermont-Ferrand; Neurology (M.A.K.), CH Troyes; Neurology (F.L.), CH d'Orsay; Neurology, CH de Saint-Denis; Université de Franche-Comté (E.M.), LINC Laboratoire de Recherches Intégratives en Neurosciences et Psychologie Cognitive et CMRR, Service de Neurologie, CHU de Besançon; Neurology (Q.T., M. Graber), CHU de Dijon; Neurology (Y.B.), CH de Béziers; Neurology (G.B.-F., D. Ratiu), CH de Narbonne, France; Vasculitis Clinic (C.P.), Mount Sinai Hospital, University of Toronto, Ontario, Canada; and Université Caen-Normandie (H.D.B.), Internal Medicine, CHU de Caen-Normandie, France.; Kerschen P; From Neurology (L.G., O.O.-W., A.T.-B., D.W., P.V., G.Q.), CHU de Rouen; Radiology (G.B., F.B.), CHRU de Tours; Service des Urgences Neurovasculaires (J.C., S.A.), Hôpital Pitié-Salpêtrière, Sorbonne Université, AP-HP, Stare Team, iCRIN, Institut du Cerveau, Paris; Neurology (D. Renard, A.W., E. Thouvenot), CHU de Nîmes; Neurology (N.R., C.G., J.P.), CHU de Toulouse; Neurology (X.A., C.A., P.M.L.), CHU de Montpellier; Radiology (E.G.), CHU de Rouen; Neurology (P.K.), CHU de Luxembourg; Neurology (D.S., N.O., T.A.), CH de Perpignan; Neurology (M.F.), Hospices Civils de Lyon; Neurology (F.P.), CH de Versailles; Neurology (G.T., C.I.), GHU Paris; Geriatric Medicine (M. Verny), Hôpital Pitié-Salpêtrière, AP-HP, Paris; Neurology (L.H.), CHRU de Nancy; Neurology (M. Gaudron), CHRU de Tours; Neurology (S.V.), CHU de Rennes; Neurology (N.D., H.Z.), CHU de Lille; Neurology (B.G.), CHU de Nantes; Université Grenoble Alpes (O.D.), INSERM, U1216, Neurology, CHU de Grenoble Alpes, Grenoble Institute Neurosciences; Neurology (S.G.), CHU de Angers; UR2CA-URRIS (B.C.), Stroke Unit, CHU Pasteur 2, Nice Cote d'Azur University; Internal Medicine (M.L., S.B.), CHU de Nice; Internal Medicine (M.G.-V.), Hôpital Croix-Rousse, Lyon; Neurology (L.K.), CHRU de Strasbourg; Neurology (L.D.), CH de Lorient, France; Neurology (N.L.), CHU de Liège/CHR la Citadelle, Liège, Belgique; Neurology (S.L.), Hôpital du Sacré-cœur de Montréal; Neurology (A.P.), CH de l'Université de Montréal, Québec, Canada; Internal Medicine (A.R., B.T.), Université Paris-Cité, Hôpital Cochin, AP-HP; Neurology (D.W.-L.), Hôpital Foch, Suresnes; Internal Medicine (M. Vautier), Hôpital Pitié-Salpêtrière, Paris; Neurology (S.C.), CH de Gonesse; Internal Medicine (A. Neel), CHU de Nantes; Université Caen-Normandie (O.M., R.S., E. Touzé, A. Nehme), Neurology, CHU de Caen-Normandie; Internal Medicine (T.P.), Hôpital Bichat; Internal Medicine (C.C.-O.), Hôpital Lariboisière; Neurology (E.J.), Hôpital Lariboisière, Paris; Neurology (M.S.), HIA Sainte-Anne, Toulon; Neurology (L.P.-M.), CHU de Clermont-Ferrand; Neurology (M.A.K.), CH Troyes; Neurology (F.L.), CH d'Orsay; Neurology, CH de Saint-Denis; Université de Franche-Comté (E.M.), LINC Laboratoire de Recherches Intégratives en Neurosciences et Psychologie Cognitive et CMRR, Service de Neurologie, CHU de Besançon; Neurology (Q.T., M. Graber), CHU de Dijon; Neurology (Y.B.), CH de Béziers; Neurology (G.B.-F., D. Ratiu), CH de Narbonne, France; Vasculitis Clinic (C.P.), Mount Sinai Hospital, University of Toronto, Ontario, Canada; and Université Caen-Normandie (H.D.B.), Internal Medicine, CHU de Caen-Normandie, France.; Sablot D; From Neurology (L.G., O.O.-W., A.T.-B., D.W., P.V., G.Q.), CHU de Rouen; Radiology (G.B., F.B.), CHRU de Tours; Service des Urgences Neurovasculaires (J.C., S.A.), Hôpital Pitié-Salpêtrière, Sorbonne Université, AP-HP, Stare Team, iCRIN, Institut du Cerveau, Paris; Neurology (D. Renard, A.W., E. Thouvenot), CHU de Nîmes; Neurology (N.R., C.G., J.P.), CHU de Toulouse; Neurology (X.A., C.A., P.M.L.), CHU de Montpellier; Radiology (E.G.), CHU de Rouen; Neurology (P.K.), CHU de Luxembourg; Neurology (D.S., N.O., T.A.), CH de Perpignan; Neurology (M.F.), Hospices Civils de Lyon; Neurology (F.P.), CH de Versailles; Neurology (G.T., C.I.), GHU Paris; Geriatric Medicine (M. Verny), Hôpital Pitié-Salpêtrière, AP-HP, Paris; Neurology (L.H.), CHRU de Nancy; Neurology (M. Gaudron), CHRU de Tours; Neurology (S.V.), CHU de Rennes; Neurology (N.D., H.Z.), CHU de Lille; Neurology (B.G.), CHU de Nantes; Université Grenoble Alpes (O.D.), INSERM, U1216, Neurology, CHU de Grenoble Alpes, Grenoble Institute Neurosciences; Neurology (S.G.), CHU de Angers; UR2CA-URRIS (B.C.), Stroke Unit, CHU Pasteur 2, Nice Cote d'Azur University; Internal Medicine (M.L., S.B.), CHU de Nice; Internal Medicine (M.G.-V.), Hôpital Croix-Rousse, Lyon; Neurology (L.K.), CHRU de Strasbourg; Neurology (L.D.), CH de Lorient, France; Neurology (N.L.), CHU de Liège/CHR la Citadelle, Liège, Belgique; Neurology (S.L.), Hôpital du Sacré-cœur de Montréal; Neurology (A.P.), CH de l'Université de Montréal, Québec, Canada; Internal Medicine (A.R., B.T.), Université Paris-Cité, Hôpital Cochin, AP-HP; Neurology (D.W.-L.), Hôpital Foch, Suresnes; Internal Medicine (M. Vautier), Hôpital Pitié-Salpêtrière, Paris; Neurology (S.C.), CH de Gonesse; Internal Medicine (A. Neel), CHU de Nantes; Université Caen-Normandie (O.M., R.S., E. Touzé, A. Nehme), Neurology, CHU de Caen-Normandie; Internal Medicine (T.P.), Hôpital Bichat; Internal Medicine (C.C.-O.), Hôpital Lariboisière; Neurology (E.J.), Hôpital Lariboisière, Paris; Neurology (M.S.), HIA Sainte-Anne, Toulon; Neurology (L.P.-M.), CHU de Clermont-Ferrand; Neurology (M.A.K.), CH Troyes; Neurology (F.L.), CH d'Orsay; Neurology, CH de Saint-Denis; Université de Franche-Comté (E.M.), LINC Laboratoire de Recherches Intégratives en Neurosciences et Psychologie Cognitive et CMRR, Service de Neurologie, CHU de Besançon; Neurology (Q.T., M. Graber), CHU de Dijon; Neurology (Y.B.), CH de Béziers; Neurology (G.B.-F., D. Ratiu), CH de Narbonne, France; Vasculitis Clinic (C.P.), Mount Sinai Hospital, University of Toronto, Ontario, Canada; and Université Caen-Normandie (H.D.B.), Internal Medicine, CHU de Caen-Normandie, France.; Formaglio M; From Neurology (L.G., O.O.-W., A.T.-B., D.W., P.V., G.Q.), CHU de Rouen; Radiology (G.B., F.B.), CHRU de Tours; Service des Urgences Neurovasculaires (J.C., S.A.), Hôpital Pitié-Salpêtrière, Sorbonne Université, AP-HP, Stare Team, iCRIN, Institut du Cerveau, Paris; Neurology (D. Renard, A.W., E. Thouvenot), CHU de Nîmes; Neurology (N.R., C.G., J.P.), CHU de Toulouse; Neurology (X.A., C.A., P.M.L.), CHU de Montpellier; Radiology (E.G.), CHU de Rouen; Neurology (P.K.), CHU de Luxembourg; Neurology (D.S., N.O., T.A.), CH de Perpignan; Neurology (M.F.), Hospices Civils de Lyon; Neurology (F.P.), CH de Versailles; Neurology (G.T., C.I.), GHU Paris; Geriatric Medicine (M. Verny), Hôpital Pitié-Salpêtrière, AP-HP, Paris; Neurology (L.H.), CHRU de Nancy; Neurology (M. Gaudron), CHRU de Tours; Neurology (S.V.), CHU de Rennes; Neurology (N.D., H.Z.), CHU de Lille; Neurology (B.G.), CHU de Nantes; Université Grenoble Alpes (O.D.), INSERM, U1216, Neurology, CHU de Grenoble Alpes, Grenoble Institute Neurosciences; Neurology (S.G.), CHU de Angers; UR2CA-URRIS (B.C.), Stroke Unit, CHU Pasteur 2, Nice Cote d'Azur University; Internal Medicine (M.L., S.B.), CHU de Nice; Internal Medicine (M.G.-V.), Hôpital Croix-Rousse, Lyon; Neurology (L.K.), CHRU de Strasbourg; Neurology (L.D.), CH de Lorient, France; Neurology (N.L.), CHU de Liège/CHR la Citadelle, Liège, Belgique; Neurology (S.L.), Hôpital du Sacré-cœur de Montréal; Neurology (A.P.), CH de l'Université de Montréal, Québec, Canada; Internal Medicine (A.R., B.T.), Université Paris-Cité, Hôpital Cochin, AP-HP; Neurology (D.W.-L.), Hôpital Foch, Suresnes; Internal Medicine (M. Vautier), Hôpital Pitié-Salpêtrière, Paris; Neurology (S.C.), CH de Gonesse; Internal Medicine (A. Neel), CHU de Nantes; Université Caen-Normandie (O.M., R.S., E. Touzé, A. Nehme), Neurology, CHU de Caen-Normandie; Internal Medicine (T.P.), Hôpital Bichat; Internal Medicine (C.C.-O.), Hôpital Lariboisière; Neurology (E.J.), Hôpital Lariboisière, Paris; Neurology (M.S.), HIA Sainte-Anne, Toulon; Neurology (L.P.-M.), CHU de Clermont-Ferrand; Neurology (M.A.K.), CH Troyes; Neurology (F.L.), CH d'Orsay; Neurology, CH de Saint-Denis; Université de Franche-Comté (E.M.), LINC Laboratoire de Recherches Intégratives en Neurosciences et Psychologie Cognitive et CMRR, Service de Neurologie, CHU de Besançon; Neurology (Q.T., M. Graber), CHU de Dijon; Neurology (Y.B.), CH de Béziers; Neurology (G.B.-F., D. Ratiu), CH de Narbonne, France; Vasculitis Clinic (C.P.), Mount Sinai Hospital, University of Toronto, Ontario, Canada; and Université Caen-Normandie (H.D.B.), Internal Medicine, CHU de Caen-Normandie, France.; Pico F; From Neurology (L.G., O.O.-W., A.T.-B., D.W., P.V., G.Q.), CHU de Rouen; Radiology (G.B., F.B.), CHRU de Tours; Service des Urgences Neurovasculaires (J.C., S.A.), Hôpital Pitié-Salpêtrière, Sorbonne Université, AP-HP, Stare Team, iCRIN, Institut du Cerveau, Paris; Neurology (D. Renard, A.W., E. Thouvenot), CHU de Nîmes; Neurology (N.R., C.G., J.P.), CHU de Toulouse; Neurology (X.A., C.A., P.M.L.), CHU de Montpellier; Radiology (E.G.), CHU de Rouen; Neurology (P.K.), CHU de Luxembourg; Neurology (D.S., N.O., T.A.), CH de Perpignan; Neurology (M.F.), Hospices Civils de Lyon; Neurology (F.P.), CH de Versailles; Neurology (G.T., C.I.), GHU Paris; Geriatric Medicine (M. Verny), Hôpital Pitié-Salpêtrière, AP-HP, Paris; Neurology (L.H.), CHRU de Nancy; Neurology (M. Gaudron), CHRU de Tours; Neurology (S.V.), CHU de Rennes; Neurology (N.D., H.Z.), CHU de Lille; Neurology (B.G.), CHU de Nantes; Université Grenoble Alpes (O.D.), INSERM, U1216, Neurology, CHU de Grenoble Alpes, Grenoble Institute Neurosciences; Neurology (S.G.), CHU de Angers; UR2CA-URRIS (B.C.), Stroke Unit, CHU Pasteur 2, Nice Cote d'Azur University; Internal Medicine (M.L., S.B.), CHU de Nice; Internal Medicine (M.G.-V.), Hôpital Croix-Rousse, Lyon; Neurology (L.K.), CHRU de Strasbourg; Neurology (L.D.), CH de Lorient, France; Neurology (N.L.), CHU de Liège/CHR la Citadelle, Liège, Belgique; Neurology (S.L.), Hôpital du Sacré-cœur de Montréal; Neurology (A.P.), CH de l'Université de Montréal, Québec, Canada; Internal Medicine (A.R., B.T.), Université Paris-Cité, Hôpital Cochin, AP-HP; Neurology (D.W.-L.), Hôpital Foch, Suresnes; Internal Medicine (M. Vautier), Hôpital Pitié-Salpêtrière, Paris; Neurology (S.C.), CH de Gonesse; Internal Medicine (A. Neel), CHU de Nantes; Université Caen-Normandie (O.M., R.S., E. Touzé, A. Nehme), Neurology, CHU de Caen-Normandie; Internal Medicine (T.P.), Hôpital Bichat; Internal Medicine (C.C.-O.), Hôpital Lariboisière; Neurology (E.J.), Hôpital Lariboisière, Paris; Neurology (M.S.), HIA Sainte-Anne, Toulon; Neurology (L.P.-M.), CHU de Clermont-Ferrand; Neurology (M.A.K.), CH Troyes; Neurology (F.L.), CH d'Orsay; Neurology, CH de Saint-Denis; Université de Franche-Comté (E.M.), LINC Laboratoire de Recherches Intégratives en Neurosciences et Psychologie Cognitive et CMRR, Service de Neurologie, CHU de Besançon; Neurology (Q.T., M. Graber), CHU de Dijon; Neurology (Y.B.), CH de Béziers; Neurology (G.B.-F., D. Ratiu), CH de Narbonne, France; Vasculitis Clinic (C.P.), Mount Sinai Hospital, University of Toronto, Ontario, Canada; and Université Caen-Normandie (H.D.B.), Internal Medicine, CHU de Caen-Normandie, France.; Turc G; From Neurology (L.G., O.O.-W., A.T.-B., D.W., P.V., G.Q.), CHU de Rouen; Radiology (G.B., F.B.), CHRU de Tours; Service des Urgences Neurovasculaires (J.C., S.A.), Hôpital Pitié-Salpêtrière, Sorbonne Université, AP-HP, Stare Team, iCRIN, Institut du Cerveau, Paris; Neurology (D. Renard, A.W., E. Thouvenot), CHU de Nîmes; Neurology (N.R., C.G., J.P.), CHU de Toulouse; Neurology (X.A., C.A., P.M.L.), CHU de Montpellier; Radiology (E.G.), CHU de Rouen; Neurology (P.K.), CHU de Luxembourg; Neurology (D.S., N.O., T.A.), CH de Perpignan; Neurology (M.F.), Hospices Civils de Lyon; Neurology (F.P.), CH de Versailles; Neurology (G.T., C.I.), GHU Paris; Geriatric Medicine (M. Verny), Hôpital Pitié-Salpêtrière, AP-HP, Paris; Neurology (L.H.), CHRU de Nancy; Neurology (M. Gaudron), CHRU de Tours; Neurology (S.V.), CHU de Rennes; Neurology (N.D., H.Z.), CHU de Lille; Neurology (B.G.), CHU de Nantes; Université Grenoble Alpes (O.D.), INSERM, U1216, Neurology, CHU de Grenoble Alpes, Grenoble Institute Neurosciences; Neurology (S.G.), CHU de Angers; UR2CA-URRIS (B.C.), Stroke Unit, CHU Pasteur 2, Nice Cote d'Azur University; Internal Medicine (M.L., S.B.), CHU de Nice; Internal Medicine (M.G.-V.), Hôpital Croix-Rousse, Lyon; Neurology (L.K.), CHRU de Strasbourg; Neurology (L.D.), CH de Lorient, France; Neurology (N.L.), CHU de Liège/CHR la Citadelle, Liège, Belgique; Neurology (S.L.), Hôpital du Sacré-cœur de Montréal; Neurology (A.P.), CH de l'Université de Montréal, Québec, Canada; Internal Medicine (A.R., B.T.), Université Paris-Cité, Hôpital Cochin, AP-HP; Neurology (D.W.-L.), Hôpital Foch, Suresnes; Internal Medicine (M. Vautier), Hôpital Pitié-Salpêtrière, Paris; Neurology (S.C.), CH de Gonesse; Internal Medicine (A. Neel), CHU de Nantes; Université Caen-Normandie (O.M., R.S., E. Touzé, A. Nehme), Neurology, CHU de Caen-Normandie; Internal Medicine (T.P.), Hôpital Bichat; Internal Medicine (C.C.-O.), Hôpital Lariboisière; Neurology (E.J.), Hôpital Lariboisière, Paris; Neurology (M.S.), HIA Sainte-Anne, Toulon; Neurology (L.P.-M.), CHU de Clermont-Ferrand; Neurology (M.A.K.), CH Troyes; Neurology (F.L.), CH d'Orsay; Neurology, CH de Saint-Denis; Université de Franche-Comté (E.M.), LINC Laboratoire de Recherches Intégratives en Neurosciences et Psychologie Cognitive et CMRR, Service de Neurologie, CHU de Besançon; Neurology (Q.T., M. Graber), CHU de Dijon; Neurology (Y.B.), CH de Béziers; Neurology (G.B.-F., D. Ratiu), CH de Narbonne, France; Vasculitis Clinic (C.P.), Mount Sinai Hospital, University of Toronto, Ontario, Canada; and Université Caen-Normandie (H.D.B.), Internal Medicine, CHU de Caen-Normandie, France.; Verny M; From Neurology (L.G., O.O.-W., A.T.-B., D.W., P.V., G.Q.), CHU de Rouen; Radiology (G.B., F.B.), CHRU de Tours; Service des Urgences Neurovasculaires (J.C., S.A.), Hôpital Pitié-Salpêtrière, Sorbonne Université, AP-HP, Stare Team, iCRIN, Institut du Cerveau, Paris; Neurology (D. Renard, A.W., E. Thouvenot), CHU de Nîmes; Neurology (N.R., C.G., J.P.), CHU de Toulouse; Neurology (X.A., C.A., P.M.L.), CHU de Montpellier; Radiology (E.G.), CHU de Rouen; Neurology (P.K.), CHU de Luxembourg; Neurology (D.S., N.O., T.A.), CH de Perpignan; Neurology (M.F.), Hospices Civils de Lyon; Neurology (F.P.), CH de Versailles; Neurology (G.T., C.I.), GHU Paris; Geriatric Medicine (M. Verny), Hôpital Pitié-Salpêtrière, AP-HP, Paris; Neurology (L.H.), CHRU de Nancy; Neurology (M. Gaudron), CHRU de Tours; Neurology (S.V.), CHU de Rennes; Neurology (N.D., H.Z.), CHU de Lille; Neurology (B.G.), CHU de Nantes; Université Grenoble Alpes (O.D.), INSERM, U1216, Neurology, CHU de Grenoble Alpes, Grenoble Institute Neurosciences; Neurology (S.G.), CHU de Angers; UR2CA-URRIS (B.C.), Stroke Unit, CHU Pasteur 2, Nice Cote d'Azur University; Internal Medicine (M.L., S.B.), CHU de Nice; Internal Medicine (M.G.-V.), Hôpital Croix-Rousse, Lyon; Neurology (L.K.), CHRU de Strasbourg; Neurology (L.D.), CH de Lorient, France; Neurology (N.L.), CHU de Liège/CHR la Citadelle, Liège, Belgique; Neurology (S.L.), Hôpital du Sacré-cœur de Montréal; Neurology (A.P.), CH de l'Université de Montréal, Québec, Canada; Internal Medicine (A.R., B.T.), Université Paris-Cité, Hôpital Cochin, AP-HP; Neurology (D.W.-L.), Hôpital Foch, Suresnes; Internal Medicine (M. Vautier), Hôpital Pitié-Salpêtrière, Paris; Neurology (S.C.), CH de Gonesse; Internal Medicine (A. Neel), CHU de Nantes; Université Caen-Normandie (O.M., R.S., E. Touzé, A. Nehme), Neurology, CHU de Caen-Normandie; Internal Medicine (T.P.), Hôpital Bichat; Internal Medicine (C.C.-O.), Hôpital Lariboisière; Neurology (E.J.), Hôpital Lariboisière, Paris; Neurology (M.S.), HIA Sainte-Anne, Toulon; Neurology (L.P.-M.), CHU de Clermont-Ferrand; Neurology (M.A.K.), CH Troyes; Neurology (F.L.), CH d'Orsay; Neurology, CH de Saint-Denis; Université de Franche-Comté (E.M.), LINC Laboratoire de Recherches Intégratives en Neurosciences et Psychologie Cognitive et CMRR, Service de Neurologie, CHU de Besançon; Neurology (Q.T., M. Graber), CHU de Dijon; Neurology (Y.B.), CH de Béziers; Neurology (G.B.-F., D. Ratiu), CH de Narbonne, France; Vasculitis Clinic (C.P.), Mount Sinai Hospital, University of Toronto, Ontario, Canada; and Université Caen-Normandie (H.D.B.), Internal Medicine, CHU de Caen-Normandie, France.; Humbertjean L; From Neurology (L.G., O.O.-W., A.T.-B., D.W., P.V., G.Q.), CHU de Rouen; Radiology (G.B., F.B.), CHRU de Tours; Service des Urgences Neurovasculaires (J.C., S.A.), Hôpital Pitié-Salpêtrière, Sorbonne Université, AP-HP, Stare Team, iCRIN, Institut du Cerveau, Paris; Neurology (D. Renard, A.W., E. Thouvenot), CHU de Nîmes; Neurology (N.R., C.G., J.P.), CHU de Toulouse; Neurology (X.A., C.A., P.M.L.), CHU de Montpellier; Radiology (E.G.), CHU de Rouen; Neurology (P.K.), CHU de Luxembourg; Neurology (D.S., N.O., T.A.), CH de Perpignan; Neurology (M.F.), Hospices Civils de Lyon; Neurology (F.P.), CH de Versailles; Neurology (G.T., C.I.), GHU Paris; Geriatric Medicine (M. Verny), Hôpital Pitié-Salpêtrière, AP-HP, Paris; Neurology (L.H.), CHRU de Nancy; Neurology (M. Gaudron), CHRU de Tours; Neurology (S.V.), CHU de Rennes; Neurology (N.D., H.Z.), CHU de Lille; Neurology (B.G.), CHU de Nantes; Université Grenoble Alpes (O.D.), INSERM, U1216, Neurology, CHU de Grenoble Alpes, Grenoble Institute Neurosciences; Neurology (S.G.), CHU de Angers; UR2CA-URRIS (B.C.), Stroke Unit, CHU Pasteur 2, Nice Cote d'Azur University; Internal Medicine (M.L., S.B.), CHU de Nice; Internal Medicine (M.G.-V.), Hôpital Croix-Rousse, Lyon; Neurology (L.K.), CHRU de Strasbourg; Neurology (L.D.), CH de Lorient, France; Neurology (N.L.), CHU de Liège/CHR la Citadelle, Liège, Belgique; Neurology (S.L.), Hôpital du Sacré-cœur de Montréal; Neurology (A.P.), CH de l'Université de Montréal, Québec, Canada; Internal Medicine (A.R., B.T.), Université Paris-Cité, Hôpital Cochin, AP-HP; Neurology (D.W.-L.), Hôpital Foch, Suresnes; Internal Medicine (M. Vautier), Hôpital Pitié-Salpêtrière, Paris; Neurology (S.C.), CH de Gonesse; Internal Medicine (A. Neel), CHU de Nantes; Université Caen-Normandie (O.M., R.S., E. Touzé, A. Nehme), Neurology, CHU de Caen-Normandie; Internal Medicine (T.P.), Hôpital Bichat; Internal Medicine (C.C.-O.), Hôpital Lariboisière; Neurology (E.J.), Hôpital Lariboisière, Paris; Neurology (M.S.), HIA Sainte-Anne, Toulon; Neurology (L.P.-M.), CHU de Clermont-Ferrand; Neurology (M.A.K.), CH Troyes; Neurology (F.L.), CH d'Orsay; Neurology, CH de Saint-Denis; Université de Franche-Comté (E.M.), LINC Laboratoire de Recherches Intégratives en Neurosciences et Psychologie Cognitive et CMRR, Service de Neurologie, CHU de Besançon; Neurology (Q.T., M. Graber), CHU de Dijon; Neurology (Y.B.), CH de Béziers; Neurology (G.B.-F., D. Ratiu), CH de Narbonne, France; Vasculitis Clinic (C.P.), Mount Sinai Hospital, University of Toronto, Ontario, Canada; and Université Caen-Normandie (H.D.B.), Internal Medicine, CHU de Caen-Normandie, France.; Gaudron M; From Neurology (L.G., O.O.-W., A.T.-B., D.W., P.V., G.Q.), CHU de Rouen; Radiology (G.B., F.B.), CHRU de Tours; Service des Urgences Neurovasculaires (J.C., S.A.), Hôpital Pitié-Salpêtrière, Sorbonne Université, AP-HP, Stare Team, iCRIN, Institut du Cerveau, Paris; Neurology (D. Renard, A.W., E. Thouvenot), CHU de Nîmes; Neurology (N.R., C.G., J.P.), CHU de Toulouse; Neurology (X.A., C.A., P.M.L.), CHU de Montpellier; Radiology (E.G.), CHU de Rouen; Neurology (P.K.), CHU de Luxembourg; Neurology (D.S., N.O., T.A.), CH de Perpignan; Neurology (M.F.), Hospices Civils de Lyon; Neurology (F.P.), CH de Versailles; Neurology (G.T., C.I.), GHU Paris; Geriatric Medicine (M. Verny), Hôpital Pitié-Salpêtrière, AP-HP, Paris; Neurology (L.H.), CHRU de Nancy; Neurology (M. Gaudron), CHRU de Tours; Neurology (S.V.), CHU de Rennes; Neurology (N.D., H.Z.), CHU de Lille; Neurology (B.G.), CHU de Nantes; Université Grenoble Alpes (O.D.), INSERM, U1216, Neurology, CHU de Grenoble Alpes, Grenoble Institute Neurosciences; Neurology (S.G.), CHU de Angers; UR2CA-URRIS (B.C.), Stroke Unit, CHU Pasteur 2, Nice Cote d'Azur University; Internal Medicine (M.L., S.B.), CHU de Nice; Internal Medicine (M.G.-V.), Hôpital Croix-Rousse, Lyon; Neurology (L.K.), CHRU de Strasbourg; Neurology (L.D.), CH de Lorient, France; Neurology (N.L.), CHU de Liège/CHR la Citadelle, Liège, Belgique; Neurology (S.L.), Hôpital du Sacré-cœur de Montréal; Neurology (A.P.), CH de l'Université de Montréal, Québec, Canada; Internal Medicine (A.R., B.T.), Université Paris-Cité, Hôpital Cochin, AP-HP; Neurology (D.W.-L.), Hôpital Foch, Suresnes; Internal Medicine (M. Vautier), Hôpital Pitié-Salpêtrière, Paris; Neurology (S.C.), CH de Gonesse; Internal Medicine (A. Neel), CHU de Nantes; Université Caen-Normandie (O.M., R.S., E. Touzé, A. Nehme), Neurology, CHU de Caen-Normandie; Internal Medicine (T.P.), Hôpital Bichat; Internal Medicine (C.C.-O.), Hôpital Lariboisière; Neurology (E.J.), Hôpital Lariboisière, Paris; Neurology (M.S.), HIA Sainte-Anne, Toulon; Neurology (L.P.-M.), CHU de Clermont-Ferrand; Neurology (M.A.K.), CH Troyes; Neurology (F.L.), CH d'Orsay; Neurology, CH de Saint-Denis; Université de Franche-Comté (E.M.), LINC Laboratoire de Recherches Intégratives en Neurosciences et Psychologie Cognitive et CMRR, Service de Neurologie, CHU de Besançon; Neurology (Q.T., M. Graber), CHU de Dijon; Neurology (Y.B.), CH de Béziers; Neurology (G.B.-F., D. Ratiu), CH de Narbonne, France; Vasculitis Clinic (C.P.), Mount Sinai Hospital, University of Toronto, Ontario, Canada; and Université Caen-Normandie (H.D.B.), Internal Medicine, CHU de Caen-Normandie, France.; Vannier S; From Neurology (L.G., O.O.-W., A.T.-B., D.W., P.V., G.Q.), CHU de Rouen; Radiology (G.B., F.B.), CHRU de Tours; Service des Urgences Neurovasculaires (J.C., S.A.), Hôpital Pitié-Salpêtrière, Sorbonne Université, AP-HP, Stare Team, iCRIN, Institut du Cerveau, Paris; Neurology (D. Renard, A.W., E. Thouvenot), CHU de Nîmes; Neurology (N.R., C.G., J.P.), CHU de Toulouse; Neurology (X.A., C.A., P.M.L.), CHU de Montpellier; Radiology (E.G.), CHU de Rouen; Neurology (P.K.), CHU de Luxembourg; Neurology (D.S., N.O., T.A.), CH de Perpignan; Neurology (M.F.), Hospices Civils de Lyon; Neurology (F.P.), CH de Versailles; Neurology (G.T., C.I.), GHU Paris; Geriatric Medicine (M. Verny), Hôpital Pitié-Salpêtrière, AP-HP, Paris; Neurology (L.H.), CHRU de Nancy; Neurology (M. Gaudron), CHRU de Tours; Neurology (S.V.), CHU de Rennes; Neurology (N.D., H.Z.), CHU de Lille; Neurology (B.G.), CHU de Nantes; Université Grenoble Alpes (O.D.), INSERM, U1216, Neurology, CHU de Grenoble Alpes, Grenoble Institute Neurosciences; Neurology (S.G.), CHU de Angers; UR2CA-URRIS (B.C.), Stroke Unit, CHU Pasteur 2, Nice Cote d'Azur University; Internal Medicine (M.L., S.B.), CHU de Nice; Internal Medicine (M.G.-V.), Hôpital Croix-Rousse, Lyon; Neurology (L.K.), CHRU de Strasbourg; Neurology (L.D.), CH de Lorient, France; Neurology (N.L.), CHU de Liège/CHR la Citadelle, Liège, Belgique; Neurology (S.L.), Hôpital du Sacré-cœur de Montréal; Neurology (A.P.), CH de l'Université de Montréal, Québec, Canada; Internal Medicine (A.R., B.T.), Université Paris-Cité, Hôpital Cochin, AP-HP; Neurology (D.W.-L.), Hôpital Foch, Suresnes; Internal Medicine (M. Vautier), Hôpital Pitié-Salpêtrière, Paris; Neurology (S.C.), CH de Gonesse; Internal Medicine (A. Neel), CHU de Nantes; Université Caen-Normandie (O.M., R.S., E. Touzé, A. Nehme), Neurology, CHU de Caen-Normandie; Internal Medicine (T.P.), Hôpital Bichat; Internal Medicine (C.C.-O.), Hôpital Lariboisière; Neurology (E.J.), Hôpital Lariboisière, Paris; Neurology (M.S.), HIA Sainte-Anne, Toulon; Neurology (L.P.-M.), CHU de Clermont-Ferrand; Neurology (M.A.K.), CH Troyes; Neurology (F.L.), CH d'Orsay; Neurology, CH de Saint-Denis; Université de Franche-Comté (E.M.), LINC Laboratoire de Recherches Intégratives en Neurosciences et Psychologie Cognitive et CMRR, Service de Neurologie, CHU de Besançon; Neurology (Q.T., M. Graber), CHU de Dijon; Neurology (Y.B.), CH de Béziers; Neurology (G.B.-F., D. Ratiu), CH de Narbonne, France; Vasculitis Clinic (C.P.), Mount Sinai Hospital, University of Toronto, Ontario, Canada; and Université Caen-Normandie (H.D.B.), Internal Medicine, CHU de Caen-Normandie, France.; Dequatre N; From Neurology (L.G., O.O.-W., A.T.-B., D.W., P.V., G.Q.), CHU de Rouen; Radiology (G.B., F.B.), CHRU de Tours; Service des Urgences Neurovasculaires (J.C., S.A.), Hôpital Pitié-Salpêtrière, Sorbonne Université, AP-HP, Stare Team, iCRIN, Institut du Cerveau, Paris; Neurology (D. Renard, A.W., E. Thouvenot), CHU de Nîmes; Neurology (N.R., C.G., J.P.), CHU de Toulouse; Neurology (X.A., C.A., P.M.L.), CHU de Montpellier; Radiology (E.G.), CHU de Rouen; Neurology (P.K.), CHU de Luxembourg; Neurology (D.S., N.O., T.A.), CH de Perpignan; Neurology (M.F.), Hospices Civils de Lyon; Neurology (F.P.), CH de Versailles; Neurology (G.T., C.I.), GHU Paris; Geriatric Medicine (M. Verny), Hôpital Pitié-Salpêtrière, AP-HP, Paris; Neurology (L.H.), CHRU de Nancy; Neurology (M. Gaudron), CHRU de Tours; Neurology (S.V.), CHU de Rennes; Neurology (N.D., H.Z.), CHU de Lille; Neurology (B.G.), CHU de Nantes; Université Grenoble Alpes (O.D.), INSERM, U1216, Neurology, CHU de Grenoble Alpes, Grenoble Institute Neurosciences; Neurology (S.G.), CHU de Angers; UR2CA-URRIS (B.C.), Stroke Unit, CHU Pasteur 2, Nice Cote d'Azur University; Internal Medicine (M.L., S.B.), CHU de Nice; Internal Medicine (M.G.-V.), Hôpital Croix-Rousse, Lyon; Neurology (L.K.), CHRU de Strasbourg; Neurology (L.D.), CH de Lorient, France; Neurology (N.L.), CHU de Liège/CHR la Citadelle, Liège, Belgique; Neurology (S.L.), Hôpital du Sacré-cœur de Montréal; Neurology (A.P.), CH de l'Université de Montréal, Québec, Canada; Internal Medicine (A.R., B.T.), Université Paris-Cité, Hôpital Cochin, AP-HP; Neurology (D.W.-L.), Hôpital Foch, Suresnes; Internal Medicine (M. Vautier), Hôpital Pitié-Salpêtrière, Paris; Neurology (S.C.), CH de Gonesse; Internal Medicine (A. Neel), CHU de Nantes; Université Caen-Normandie (O.M., R.S., E. Touzé, A. Nehme), Neurology, CHU de Caen-Normandie; Internal Medicine (T.P.), Hôpital Bichat; Internal Medicine (C.C.-O.), Hôpital Lariboisière; Neurology (E.J.), Hôpital Lariboisière, Paris; Neurology (M.S.), HIA Sainte-Anne, Toulon; Neurology (L.P.-M.), CHU de Clermont-Ferrand; Neurology (M.A.K.), CH Troyes; Neurology (F.L.), CH d'Orsay; Neurology, CH de Saint-Denis; Université de Franche-Comté (E.M.), LINC Laboratoire de Recherches Intégratives en Neurosciences et Psychologie Cognitive et CMRR, Service de Neurologie, CHU de Besançon; Neurology (Q.T., M. Graber), CHU de Dijon; Neurology (Y.B.), CH de Béziers; Neurology (G.B.-F., D. Ratiu), CH de Narbonne, France; Vasculitis Clinic (C.P.), Mount Sinai Hospital, University of Toronto, Ontario, Canada; and Université Caen-Normandie (H.D.B.), Internal Medicine, CHU de Caen-Normandie, France.; Guillon B; From Neurology (L.G., O.O.-W., A.T.-B., D.W., P.V., G.Q.), CHU de Rouen; Radiology (G.B., F.B.), CHRU de Tours; Service des Urgences Neurovasculaires (J.C., S.A.), Hôpital Pitié-Salpêtrière, Sorbonne Université, AP-HP, Stare Team, iCRIN, Institut du Cerveau, Paris; Neurology (D. Renard, A.W., E. Thouvenot), CHU de Nîmes; Neurology (N.R., C.G., J.P.), CHU de Toulouse; Neurology (X.A., C.A., P.M.L.), CHU de Montpellier; Radiology (E.G.), CHU de Rouen; Neurology (P.K.), CHU de Luxembourg; Neurology (D.S., N.O., T.A.), CH de Perpignan; Neurology (M.F.), Hospices Civils de Lyon; Neurology (F.P.), CH de Versailles; Neurology (G.T., C.I.), GHU Paris; Geriatric Medicine (M. Verny), Hôpital Pitié-Salpêtrière, AP-HP, Paris; Neurology (L.H.), CHRU de Nancy; Neurology (M. Gaudron), CHRU de Tours; Neurology (S.V.), CHU de Rennes; Neurology (N.D., H.Z.), CHU de Lille; Neurology (B.G.), CHU de Nantes; Université Grenoble Alpes (O.D.), INSERM, U1216, Neurology, CHU de Grenoble Alpes, Grenoble Institute Neurosciences; Neurology (S.G.), CHU de Angers; UR2CA-URRIS (B.C.), Stroke Unit, CHU Pasteur 2, Nice Cote d'Azur University; Internal Medicine (M.L., S.B.), CHU de Nice; Internal Medicine (M.G.-V.), Hôpital Croix-Rousse, Lyon; Neurology (L.K.), CHRU de Strasbourg; Neurology (L.D.), CH de Lorient, France; Neurology (N.L.), CHU de Liège/CHR la Citadelle, Liège, Belgique; Neurology (S.L.), Hôpital du Sacré-cœur de Montréal; Neurology (A.P.), CH de l'Université de Montréal, Québec, Canada; Internal Medicine (A.R., B.T.), Université Paris-Cité, Hôpital Cochin, AP-HP; Neurology (D.W.-L.), Hôpital Foch, Suresnes; Internal Medicine (M. Vautier), Hôpital Pitié-Salpêtrière, Paris; Neurology (S.C.), CH de Gonesse; Internal Medicine (A. Neel), CHU de Nantes; Université Caen-Normandie (O.M., R.S., E. Touzé, A. Nehme), Neurology, CHU de Caen-Normandie; Internal Medicine (T.P.), Hôpital Bichat; Internal Medicine (C.C.-O.), Hôpital Lariboisière; Neurology (E.J.), Hôpital Lariboisière, Paris; Neurology (M.S.), HIA Sainte-Anne, Toulon; Neurology (L.P.-M.), CHU de Clermont-Ferrand; Neurology (M.A.K.), CH Troyes; Neurology (F.L.), CH d'Orsay; Neurology, CH de Saint-Denis; Université de Franche-Comté (E.M.), LINC Laboratoire de Recherches Intégratives en Neurosciences et Psychologie Cognitive et CMRR, Service de Neurologie, CHU de Besançon; Neurology (Q.T., M. Graber), CHU de Dijon; Neurology (Y.B.), CH de Béziers; Neurology (G.B.-F., D. Ratiu), CH de Narbonne, France; Vasculitis Clinic (C.P.), Mount Sinai Hospital, University of Toronto, Ontario, Canada; and Université Caen-Normandie (H.D.B.), Internal Medicine, CHU de Caen-Normandie, France.; Isabel C; From Neurology (L.G., O.O.-W., A.T.-B., D.W., P.V., G.Q.), CHU de Rouen; Radiology (G.B., F.B.), CHRU de Tours; Service des Urgences Neurovasculaires (J.C., S.A.), Hôpital Pitié-Salpêtrière, Sorbonne Université, AP-HP, Stare Team, iCRIN, Institut du Cerveau, Paris; Neurology (D. Renard, A.W., E. Thouvenot), CHU de Nîmes; Neurology (N.R., C.G., J.P.), CHU de Toulouse; Neurology (X.A., C.A., P.M.L.), CHU de Montpellier; Radiology (E.G.), CHU de Rouen; Neurology (P.K.), CHU de Luxembourg; Neurology (D.S., N.O., T.A.), CH de Perpignan; Neurology (M.F.), Hospices Civils de Lyon; Neurology (F.P.), CH de Versailles; Neurology (G.T., C.I.), GHU Paris; Geriatric Medicine (M. Verny), Hôpital Pitié-Salpêtrière, AP-HP, Paris; Neurology (L.H.), CHRU de Nancy; Neurology (M. Gaudron), CHRU de Tours; Neurology (S.V.), CHU de Rennes; Neurology (N.D., H.Z.), CHU de Lille; Neurology (B.G.), CHU de Nantes; Université Grenoble Alpes (O.D.), INSERM, U1216, Neurology, CHU de Grenoble Alpes, Grenoble Institute Neurosciences; Neurology (S.G.), CHU de Angers; UR2CA-URRIS (B.C.), Stroke Unit, CHU Pasteur 2, Nice Cote d'Azur University; Internal Medicine (M.L., S.B.), CHU de Nice; Internal Medicine (M.G.-V.), Hôpital Croix-Rousse, Lyon; Neurology (L.K.), CHRU de Strasbourg; Neurology (L.D.), CH de Lorient, France; Neurology (N.L.), CHU de Liège/CHR la Citadelle, Liège, Belgique; Neurology (S.L.), Hôpital du Sacré-cœur de Montréal; Neurology (A.P.), CH de l'Université de Montréal, Québec, Canada; Internal Medicine (A.R., B.T.), Université Paris-Cité, Hôpital Cochin, AP-HP; Neurology (D.W.-L.), Hôpital Foch, Suresnes; Internal Medicine (M. Vautier), Hôpital Pitié-Salpêtrière, Paris; Neurology (S.C.), CH de Gonesse; Internal Medicine (A. Neel), CHU de Nantes; Université Caen-Normandie (O.M., R.S., E. Touzé, A. Nehme), Neurology, CHU de Caen-Normandie; Internal Medicine (T.P.), Hôpital Bichat; Internal Medicine (C.C.-O.), Hôpital Lariboisière; Neurology (E.J.), Hôpital Lariboisière, Paris; Neurology (M.S.), HIA Sainte-Anne, Toulon; Neurology (L.P.-M.), CHU de Clermont-Ferrand; Neurology (M.A.K.), CH Troyes; Neurology (F.L.), CH d'Orsay; Neurology, CH de Saint-Denis; Université de Franche-Comté (E.M.), LINC Laboratoire de Recherches Intégratives en Neurosciences et Psychologie Cognitive et CMRR, Service de Neurologie, CHU de Besançon; Neurology (Q.T., M. Graber), CHU de Dijon; Neurology (Y.B.), CH de Béziers; Neurology (G.B.-F., D. Ratiu), CH de Narbonne, France; Vasculitis Clinic (C.P.), Mount Sinai Hospital, University of Toronto, Ontario, Canada; and Université Caen-Normandie (H.D.B.), Internal Medicine, CHU de Caen-Normandie, France.; Arquizan C; From Neurology (L.G., O.O.-W., A.T.-B., D.W., P.V., G.Q.), CHU de Rouen; Radiology (G.B., F.B.), CHRU de Tours; Service des Urgences Neurovasculaires (J.C., S.A.), Hôpital Pitié-Salpêtrière, Sorbonne Université, AP-HP, Stare Team, iCRIN, Institut du Cerveau, Paris; Neurology (D. Renard, A.W., E. Thouvenot), CHU de Nîmes; Neurology (N.R., C.G., J.P.), CHU de Toulouse; Neurology (X.A., C.A., P.M.L.), CHU de Montpellier; Radiology (E.G.), CHU de Rouen; Neurology (P.K.), CHU de Luxembourg; Neurology (D.S., N.O., T.A.), CH de Perpignan; Neurology (M.F.), Hospices Civils de Lyon; Neurology (F.P.), CH de Versailles; Neurology (G.T., C.I.), GHU Paris; Geriatric Medicine (M. Verny), Hôpital Pitié-Salpêtrière, AP-HP, Paris; Neurology (L.H.), CHRU de Nancy; Neurology (M. Gaudron), CHRU de Tours; Neurology (S.V.), CHU de Rennes; Neurology (N.D., H.Z.), CHU de Lille; Neurology (B.G.), CHU de Nantes; Université Grenoble Alpes (O.D.), INSERM, U1216, Neurology, CHU de Grenoble Alpes, Grenoble Institute Neurosciences; Neurology (S.G.), CHU de Angers; UR2CA-URRIS (B.C.), Stroke Unit, CHU Pasteur 2, Nice Cote d'Azur University; Internal Medicine (M.L., S.B.), CHU de Nice; Internal Medicine (M.G.-V.), Hôpital Croix-Rousse, Lyon; Neurology (L.K.), CHRU de Strasbourg; Neurology (L.D.), CH de Lorient, France; Neurology (N.L.), CHU de Liège/CHR la Citadelle, Liège, Belgique; Neurology (S.L.), Hôpital du Sacré-cœur de Montréal; Neurology (A.P.), CH de l'Université de Montréal, Québec, Canada; Internal Medicine (A.R., B.T.), Université Paris-Cité, Hôpital Cochin, AP-HP; Neurology (D.W.-L.), Hôpital Foch, Suresnes; Internal Medicine (M. Vautier), Hôpital Pitié-Salpêtrière, Paris; Neurology (S.C.), CH de Gonesse; Internal Medicine (A. Neel), CHU de Nantes; Université Caen-Normandie (O.M., R.S., E. Touzé, A. Nehme), Neurology, CHU de Caen-Normandie; Internal Medicine (T.P.), Hôpital Bichat; Internal Medicine (C.C.-O.), Hôpital Lariboisière; Neurology (E.J.), Hôpital Lariboisière, Paris; Neurology (M.S.), HIA Sainte-Anne, Toulon; Neurology (L.P.-M.), CHU de Clermont-Ferrand; Neurology (M.A.K.), CH Troyes; Neurology (F.L.), CH d'Orsay; Neurology, CH de Saint-Denis; Université de Franche-Comté (E.M.), LINC Laboratoire de Recherches Intégratives en Neurosciences et Psychologie Cognitive et CMRR, Service de Neurologie, CHU de Besançon; Neurology (Q.T., M. Graber), CHU de Dijon; Neurology (Y.B.), CH de Béziers; Neurology (G.B.-F., D. Ratiu), CH de Narbonne, France; Vasculitis Clinic (C.P.), Mount Sinai Hospital, University of Toronto, Ontario, Canada; and Université Caen-Normandie (H.D.B.), Internal Medicine, CHU de Caen-Normandie, France.; Detante O; From Neurology (L.G., O.O.-W., A.T.-B., D.W., P.V., G.Q.), CHU de Rouen; Radiology (G.B., F.B.), CHRU de Tours; Service des Urgences Neurovasculaires (J.C., S.A.), Hôpital Pitié-Salpêtrière, Sorbonne Université, AP-HP, Stare Team, iCRIN, Institut du Cerveau, Paris; Neurology (D. Renard, A.W., E. Thouvenot), CHU de Nîmes; Neurology (N.R., C.G., J.P.), CHU de Toulouse; Neurology (X.A., C.A., P.M.L.), CHU de Montpellier; Radiology (E.G.), CHU de Rouen; Neurology (P.K.), CHU de Luxembourg; Neurology (D.S., N.O., T.A.), CH de Perpignan; Neurology (M.F.), Hospices Civils de Lyon; Neurology (F.P.), CH de Versailles; Neurology (G.T., C.I.), GHU Paris; Geriatric Medicine (M. Verny), Hôpital Pitié-Salpêtrière, AP-HP, Paris; Neurology (L.H.), CHRU de Nancy; Neurology (M. Gaudron), CHRU de Tours; Neurology (S.V.), CHU de Rennes; Neurology (N.D., H.Z.), CHU de Lille; Neurology (B.G.), CHU de Nantes; Université Grenoble Alpes (O.D.), INSERM, U1216, Neurology, CHU de Grenoble Alpes, Grenoble Institute Neurosciences; Neurology (S.G.), CHU de Angers; UR2CA-URRIS (B.C.), Stroke Unit, CHU Pasteur 2, Nice Cote d'Azur University; Internal Medicine (M.L., S.B.), CHU de Nice; Internal Medicine (M.G.-V.), Hôpital Croix-Rousse, Lyon; Neurology (L.K.), CHRU de Strasbourg; Neurology (L.D.), CH de Lorient, France; Neurology (N.L.), CHU de Liège/CHR la Citadelle, Liège, Belgique; Neurology (S.L.), Hôpital du Sacré-cœur de Montréal; Neurology (A.P.), CH de l'Université de Montréal, Québec, Canada; Internal Medicine (A.R., B.T.), Université Paris-Cité, Hôpital Cochin, AP-HP; Neurology (D.W.-L.), Hôpital Foch, Suresnes; Internal Medicine (M. Vautier), Hôpital Pitié-Salpêtrière, Paris; Neurology (S.C.), CH de Gonesse; Internal Medicine (A. Neel), CHU de Nantes; Université Caen-Normandie (O.M., R.S., E. Touzé, A. Nehme), Neurology, CHU de Caen-Normandie; Internal Medicine (T.P.), Hôpital Bichat; Internal Medicine (C.C.-O.), Hôpital Lariboisière; Neurology (E.J.), Hôpital Lariboisière, Paris; Neurology (M.S.), HIA Sainte-Anne, Toulon; Neurology (L.P.-M.), CHU de Clermont-Ferrand; Neurology (M.A.K.), CH Troyes; Neurology (F.L.), CH d'Orsay; Neurology, CH de Saint-Denis; Université de Franche-Comté (E.M.), LINC Laboratoire de Recherches Intégratives en Neurosciences et Psychologie Cognitive et CMRR, Service de Neurologie, CHU de Besançon; Neurology (Q.T., M. Graber), CHU de Dijon; Neurology (Y.B.), CH de Béziers; Neurology (G.B.-F., D. Ratiu), CH de Narbonne, France; Vasculitis Clinic (C.P.), Mount Sinai Hospital, University of Toronto, Ontario, Canada; and Université Caen-Normandie (H.D.B.), Internal Medicine, CHU de Caen-Normandie, France.; Godard S; From Neurology (L.G., O.O.-W., A.T.-B., D.W., P.V., G.Q.), CHU de Rouen; Radiology (G.B., F.B.), CHRU de Tours; Service des Urgences Neurovasculaires (J.C., S.A.), Hôpital Pitié-Salpêtrière, Sorbonne Université, AP-HP, Stare Team, iCRIN, Institut du Cerveau, Paris; Neurology (D. Renard, A.W., E. Thouvenot), CHU de Nîmes; Neurology (N.R., C.G., J.P.), CHU de Toulouse; Neurology (X.A., C.A., P.M.L.), CHU de Montpellier; Radiology (E.G.), CHU de Rouen; Neurology (P.K.), CHU de Luxembourg; Neurology (D.S., N.O., T.A.), CH de Perpignan; Neurology (M.F.), Hospices Civils de Lyon; Neurology (F.P.), CH de Versailles; Neurology (G.T., C.I.), GHU Paris; Geriatric Medicine (M. Verny), Hôpital Pitié-Salpêtrière, AP-HP, Paris; Neurology (L.H.), CHRU de Nancy; Neurology (M. Gaudron), CHRU de Tours; Neurology (S.V.), CHU de Rennes; Neurology (N.D., H.Z.), CHU de Lille; Neurology (B.G.), CHU de Nantes; Université Grenoble Alpes (O.D.), INSERM, U1216, Neurology, CHU de Grenoble Alpes, Grenoble Institute Neurosciences; Neurology (S.G.), CHU de Angers; UR2CA-URRIS (B.C.), Stroke Unit, CHU Pasteur 2, Nice Cote d'Azur University; Internal Medicine (M.L., S.B.), CHU de Nice; Internal Medicine (M.G.-V.), Hôpital Croix-Rousse, Lyon; Neurology (L.K.), CHRU de Strasbourg; Neurology (L.D.), CH de Lorient, France; Neurology (N.L.), CHU de Liège/CHR la Citadelle, Liège, Belgique; Neurology (S.L.), Hôpital du Sacré-cœur de Montréal; Neurology (A.P.), CH de l'Université de Montréal, Québec, Canada; Internal Medicine (A.R., B.T.), Université Paris-Cité, Hôpital Cochin, AP-HP; Neurology (D.W.-L.), Hôpital Foch, Suresnes; Internal Medicine (M. Vautier), Hôpital Pitié-Salpêtrière, Paris; Neurology (S.C.), CH de Gonesse; Internal Medicine (A. Neel), CHU de Nantes; Université Caen-Normandie (O.M., R.S., E. Touzé, A. Nehme), Neurology, CHU de Caen-Normandie; Internal Medicine (T.P.), Hôpital Bichat; Internal Medicine (C.C.-O.), Hôpital Lariboisière; Neurology (E.J.), Hôpital Lariboisière, Paris; Neurology (M.S.), HIA Sainte-Anne, Toulon; Neurology (L.P.-M.), CHU de Clermont-Ferrand; Neurology (M.A.K.), CH Troyes; Neurology (F.L.), CH d'Orsay; Neurology, CH de Saint-Denis; Université de Franche-Comté (E.M.), LINC Laboratoire de Recherches Intégratives en Neurosciences et Psychologie Cognitive et CMRR, Service de Neurologie, CHU de Besançon; Neurology (Q.T., M. Graber), CHU de Dijon; Neurology (Y.B.), CH de Béziers; Neurology (G.B.-F., D. Ratiu), CH de Narbonne, France; Vasculitis Clinic (C.P.), Mount Sinai Hospital, University of Toronto, Ontario, Canada; and Université Caen-Normandie (H.D.B.), Internal Medicine, CHU de Caen-Normandie, France.; Casolla B; From Neurology (L.G., O.O.-W., A.T.-B., D.W., P.V., G.Q.), CHU de Rouen; Radiology (G.B., F.B.), CHRU de Tours; Service des Urgences Neurovasculaires (J.C., S.A.), Hôpital Pitié-Salpêtrière, Sorbonne Université, AP-HP, Stare Team, iCRIN, Institut du Cerveau, Paris; Neurology (D. Renard, A.W., E. Thouvenot), CHU de Nîmes; Neurology (N.R., C.G., J.P.), CHU de Toulouse; Neurology (X.A., C.A., P.M.L.), CHU de Montpellier; Radiology (E.G.), CHU de Rouen; Neurology (P.K.), CHU de Luxembourg; Neurology (D.S., N.O., T.A.), CH de Perpignan; Neurology (M.F.), Hospices Civils de Lyon; Neurology (F.P.), CH de Versailles; Neurology (G.T., C.I.), GHU Paris; Geriatric Medicine (M. Verny), Hôpital Pitié-Salpêtrière, AP-HP, Paris; Neurology (L.H.), CHRU de Nancy; Neurology (M. Gaudron), CHRU de Tours; Neurology (S.V.), CHU de Rennes; Neurology (N.D., H.Z.), CHU de Lille; Neurology (B.G.), CHU de Nantes; Université Grenoble Alpes (O.D.), INSERM, U1216, Neurology, CHU de Grenoble Alpes, Grenoble Institute Neurosciences; Neurology (S.G.), CHU de Angers; UR2CA-URRIS (B.C.), Stroke Unit, CHU Pasteur 2, Nice Cote d'Azur University; Internal Medicine (M.L., S.B.), CHU de Nice; Internal Medicine (M.G.-V.), Hôpital Croix-Rousse, Lyon; Neurology (L.K.), CHRU de Strasbourg; Neurology (L.D.), CH de Lorient, France; Neurology (N.L.), CHU de Liège/CHR la Citadelle, Liège, Belgique; Neurology (S.L.), Hôpital du Sacré-cœur de Montréal; Neurology (A.P.), CH de l'Université de Montréal, Québec, Canada; Internal Medicine (A.R., B.T.), Université Paris-Cité, Hôpital Cochin, AP-HP; Neurology (D.W.-L.), Hôpital Foch, Suresnes; Internal Medicine (M. Vautier), Hôpital Pitié-Salpêtrière, Paris; Neurology (S.C.), CH de Gonesse; Internal Medicine (A. Neel), CHU de Nantes; Université Caen-Normandie (O.M., R.S., E. Touzé, A. Nehme), Neurology, CHU de Caen-Normandie; Internal Medicine (T.P.), Hôpital Bichat; Internal Medicine (C.C.-O.), Hôpital Lariboisière; Neurology (E.J.), Hôpital Lariboisière, Paris; Neurology (M.S.), HIA Sainte-Anne, Toulon; Neurology (L.P.-M.), CHU de Clermont-Ferrand; Neurology (M.A.K.), CH Troyes; Neurology (F.L.), CH d'Orsay; Neurology, CH de Saint-Denis; Université de Franche-Comté (E.M.), LINC Laboratoire de Recherches Intégratives en Neurosciences et Psychologie Cognitive et CMRR, Service de Neurologie, CHU de Besançon; Neurology (Q.T., M. Graber), CHU de Dijon; Neurology (Y.B.), CH de Béziers; Neurology (G.B.-F., D. Ratiu), CH de Narbonne, France; Vasculitis Clinic (C.P.), Mount Sinai Hospital, University of Toronto, Ontario, Canada; and Université Caen-Normandie (H.D.B.), Internal Medicine, CHU de Caen-Normandie, France.; Levraut M; From Neurology (L.G., O.O.-W., A.T.-B., D.W., P.V., G.Q.), CHU de Rouen; Radiology (G.B., F.B.), CHRU de Tours; Service des Urgences Neurovasculaires (J.C., S.A.), Hôpital Pitié-Salpêtrière, Sorbonne Université, AP-HP, Stare Team, iCRIN, Institut du Cerveau, Paris; Neurology (D. Renard, A.W., E. Thouvenot), CHU de Nîmes; Neurology (N.R., C.G., J.P.), CHU de Toulouse; Neurology (X.A., C.A., P.M.L.), CHU de Montpellier; Radiology (E.G.), CHU de Rouen; Neurology (P.K.), CHU de Luxembourg; Neurology (D.S., N.O., T.A.), CH de Perpignan; Neurology (M.F.), Hospices Civils de Lyon; Neurology (F.P.), CH de Versailles; Neurology (G.T., C.I.), GHU Paris; Geriatric Medicine (M. Verny), Hôpital Pitié-Salpêtrière, AP-HP, Paris; Neurology (L.H.), CHRU de Nancy; Neurology (M. Gaudron), CHRU de Tours; Neurology (S.V.), CHU de Rennes; Neurology (N.D., H.Z.), CHU de Lille; Neurology (B.G.), CHU de Nantes; Université Grenoble Alpes (O.D.), INSERM, U1216, Neurology, CHU de Grenoble Alpes, Grenoble Institute Neurosciences; Neurology (S.G.), CHU de Angers; UR2CA-URRIS (B.C.), Stroke Unit, CHU Pasteur 2, Nice Cote d'Azur University; Internal Medicine (M.L., S.B.), CHU de Nice; Internal Medicine (M.G.-V.), Hôpital Croix-Rousse, Lyon; Neurology (L.K.), CHRU de Strasbourg; Neurology (L.D.), CH de Lorient, France; Neurology (N.L.), CHU de Liège/CHR la Citadelle, Liège, Belgique; Neurology (S.L.), Hôpital du Sacré-cœur de Montréal; Neurology (A.P.), CH de l'Université de Montréal, Québec, Canada; Internal Medicine (A.R., B.T.), Université Paris-Cité, Hôpital Cochin, AP-HP; Neurology (D.W.-L.), Hôpital Foch, Suresnes; Internal Medicine (M. Vautier), Hôpital Pitié-Salpêtrière, Paris; Neurology (S.C.), CH de Gonesse; Internal Medicine (A. Neel), CHU de Nantes; Université Caen-Normandie (O.M., R.S., E. Touzé, A. Nehme), Neurology, CHU de Caen-Normandie; Internal Medicine (T.P.), Hôpital Bichat; Internal Medicine (C.C.-O.), Hôpital Lariboisière; Neurology (E.J.), Hôpital Lariboisière, Paris; Neurology (M.S.), HIA Sainte-Anne, Toulon; Neurology (L.P.-M.), CHU de Clermont-Ferrand; Neurology (M.A.K.), CH Troyes; Neurology (F.L.), CH d'Orsay; Neurology, CH de Saint-Denis; Université de Franche-Comté (E.M.), LINC Laboratoire de Recherches Intégratives en Neurosciences et Psychologie Cognitive et CMRR, Service de Neurologie, CHU de Besançon; Neurology (Q.T., M. Graber), CHU de Dijon; Neurology (Y.B.), CH de Béziers; Neurology (G.B.-F., D. Ratiu), CH de Narbonne, France; Vasculitis Clinic (C.P.), Mount Sinai Hospital, University of Toronto, Ontario, Canada; and Université Caen-Normandie (H.D.B.), Internal Medicine, CHU de Caen-Normandie, France.; Gollion C; From Neurology (L.G., O.O.-W., A.T.-B., D.W., P.V., G.Q.), CHU de Rouen; Radiology (G.B., F.B.), CHRU de Tours; Service des Urgences Neurovasculaires (J.C., S.A.), Hôpital Pitié-Salpêtrière, Sorbonne Université, AP-HP, Stare Team, iCRIN, Institut du Cerveau, Paris; Neurology (D. Renard, A.W., E. Thouvenot), CHU de Nîmes; Neurology (N.R., C.G., J.P.), CHU de Toulouse; Neurology (X.A., C.A., P.M.L.), CHU de Montpellier; Radiology (E.G.), CHU de Rouen; Neurology (P.K.), CHU de Luxembourg; Neurology (D.S., N.O., T.A.), CH de Perpignan; Neurology (M.F.), Hospices Civils de Lyon; Neurology (F.P.), CH de Versailles; Neurology (G.T., C.I.), GHU Paris; Geriatric Medicine (M. Verny), Hôpital Pitié-Salpêtrière, AP-HP, Paris; Neurology (L.H.), CHRU de Nancy; Neurology (M. Gaudron), CHRU de Tours; Neurology (S.V.), CHU de Rennes; Neurology (N.D., H.Z.), CHU de Lille; Neurology (B.G.), CHU de Nantes; Université Grenoble Alpes (O.D.), INSERM, U1216, Neurology, CHU de Grenoble Alpes, Grenoble Institute Neurosciences; Neurology (S.G.), CHU de Angers; UR2CA-URRIS (B.C.), Stroke Unit, CHU Pasteur 2, Nice Cote d'Azur University; Internal Medicine (M.L., S.B.), CHU de Nice; Internal Medicine (M.G.-V.), Hôpital Croix-Rousse, Lyon; Neurology (L.K.), CHRU de Strasbourg; Neurology (L.D.), CH de Lorient, France; Neurology (N.L.), CHU de Liège/CHR la Citadelle, Liège, Belgique; Neurology (S.L.), Hôpital du Sacré-cœur de Montréal; Neurology (A.P.), CH de l'Université de Montréal, Québec, Canada; Internal Medicine (A.R., B.T.), Université Paris-Cité, Hôpital Cochin, AP-HP; Neurology (D.W.-L.), Hôpital Foch, Suresnes; Internal Medicine (M. Vautier), Hôpital Pitié-Salpêtrière, Paris; Neurology (S.C.), CH de Gonesse; Internal Medicine (A. Neel), CHU de Nantes; Université Caen-Normandie (O.M., R.S., E. Touzé, A. Nehme), Neurology, CHU de Caen-Normandie; Internal Medicine (T.P.), Hôpital Bichat; Internal Medicine (C.C.-O.), Hôpital Lariboisière; Neurology (E.J.), Hôpital Lariboisière, Paris; Neurology (M.S.), HIA Sainte-Anne, Toulon; Neurology (L.P.-M.), CHU de Clermont-Ferrand; Neurology (M.A.K.), CH Troyes; Neurology (F.L.), CH d'Orsay; Neurology, CH de Saint-Denis; Université de Franche-Comté (E.M.), LINC Laboratoire de Recherches Intégratives en Neurosciences et Psychologie Cognitive et CMRR, Service de Neurologie, CHU de Besançon; Neurology (Q.T., M. Graber), CHU de Dijon; Neurology (Y.B.), CH de Béziers; Neurology (G.B.-F., D. Ratiu), CH de Narbonne, France; Vasculitis Clinic (C.P.), Mount Sinai Hospital, University of Toronto, Ontario, Canada; and Université Caen-Normandie (H.D.B.), Internal Medicine, CHU de Caen-Normandie, France.; Gerfaud-Valentin M; From Neurology (L.G., O.O.-W., A.T.-B., D.W., P.V., G.Q.), CHU de Rouen; Radiology (G.B., F.B.), CHRU de Tours; Service des Urgences Neurovasculaires (J.C., S.A.), Hôpital Pitié-Salpêtrière, Sorbonne Université, AP-HP, Stare Team, iCRIN, Institut du Cerveau, Paris; Neurology (D. Renard, A.W., E. Thouvenot), CHU de Nîmes; Neurology (N.R., C.G., J.P.), CHU de Toulouse; Neurology (X.A., C.A., P.M.L.), CHU de Montpellier; Radiology (E.G.), CHU de Rouen; Neurology (P.K.), CHU de Luxembourg; Neurology (D.S., N.O., T.A.), CH de Perpignan; Neurology (M.F.), Hospices Civils de Lyon; Neurology (F.P.), CH de Versailles; Neurology (G.T., C.I.), GHU Paris; Geriatric Medicine (M. Verny), Hôpital Pitié-Salpêtrière, AP-HP, Paris; Neurology (L.H.), CHRU de Nancy; Neurology (M. Gaudron), CHRU de Tours; Neurology (S.V.), CHU de Rennes; Neurology (N.D., H.Z.), CHU de Lille; Neurology (B.G.), CHU de Nantes; Université Grenoble Alpes (O.D.), INSERM, U1216, Neurology, CHU de Grenoble Alpes, Grenoble Institute Neurosciences; Neurology (S.G.), CHU de Angers; UR2CA-URRIS (B.C.), Stroke Unit, CHU Pasteur 2, Nice Cote d'Azur University; Internal Medicine (M.L., S.B.), CHU de Nice; Internal Medicine (M.G.-V.), Hôpital Croix-Rousse, Lyon; Neurology (L.K.), CHRU de Strasbourg; Neurology (L.D.), CH de Lorient, France; Neurology (N.L.), CHU de Liège/CHR la Citadelle, Liège, Belgique; Neurology (S.L.), Hôpital du Sacré-cœur de Montréal; Neurology (A.P.), CH de l'Université de Montréal, Québec, Canada; Internal Medicine (A.R., B.T.), Université Paris-Cité, Hôpital Cochin, AP-HP; Neurology (D.W.-L.), Hôpital Foch, Suresnes; Internal Medicine (M. Vautier), Hôpital Pitié-Salpêtrière, Paris; Neurology (S.C.), CH de Gonesse; Internal Medicine (A. Neel), CHU de Nantes; Université Caen-Normandie (O.M., R.S., E. Touzé, A. Nehme), Neurology, CHU de Caen-Normandie; Internal Medicine (T.P.), Hôpital Bichat; Internal Medicine (C.C.-O.), Hôpital Lariboisière; Neurology (E.J.), Hôpital Lariboisière, Paris; Neurology (M.S.), HIA Sainte-Anne, Toulon; Neurology (L.P.-M.), CHU de Clermont-Ferrand; Neurology (M.A.K.), CH Troyes; Neurology (F.L.), CH d'Orsay; Neurology, CH de Saint-Denis; Université de Franche-Comté (E.M.), LINC Laboratoire de Recherches Intégratives en Neurosciences et Psychologie Cognitive et CMRR, Service de Neurologie, CHU de Besançon; Neurology (Q.T., M. Graber), CHU de Dijon; Neurology (Y.B.), CH de Béziers; Neurology (G.B.-F., D. Ratiu), CH de Narbonne, France; Vasculitis Clinic (C.P.), Mount Sinai Hospital, University of Toronto, Ontario, Canada; and Université Caen-Normandie (H.D.B.), Internal Medicine, CHU de Caen-Normandie, France.; Kremer L; From Neurology (L.G., O.O.-W., A.T.-B., D.W., P.V., G.Q.), CHU de Rouen; Radiology (G.B., F.B.), CHRU de Tours; Service des Urgences Neurovasculaires (J.C., S.A.), Hôpital Pitié-Salpêtrière, Sorbonne Université, AP-HP, Stare Team, iCRIN, Institut du Cerveau, Paris; Neurology (D. Renard, A.W., E. Thouvenot), CHU de Nîmes; Neurology (N.R., C.G., J.P.), CHU de Toulouse; Neurology (X.A., C.A., P.M.L.), CHU de Montpellier; Radiology (E.G.), CHU de Rouen; Neurology (P.K.), CHU de Luxembourg; Neurology (D.S., N.O., T.A.), CH de Perpignan; Neurology (M.F.), Hospices Civils de Lyon; Neurology (F.P.), CH de Versailles; Neurology (G.T., C.I.), GHU Paris; Geriatric Medicine (M. Verny), Hôpital Pitié-Salpêtrière, AP-HP, Paris; Neurology (L.H.), CHRU de Nancy; Neurology (M. Gaudron), CHRU de Tours; Neurology (S.V.), CHU de Rennes; Neurology (N.D., H.Z.), CHU de Lille; Neurology (B.G.), CHU de Nantes; Université Grenoble Alpes (O.D.), INSERM, U1216, Neurology, CHU de Grenoble Alpes, Grenoble Institute Neurosciences; Neurology (S.G.), CHU de Angers; UR2CA-URRIS (B.C.), Stroke Unit, CHU Pasteur 2, Nice Cote d'Azur University; Internal Medicine (M.L., S.B.), CHU de Nice; Internal Medicine (M.G.-V.), Hôpital Croix-Rousse, Lyon; Neurology (L.K.), CHRU de Strasbourg; Neurology (L.D.), CH de Lorient, France; Neurology (N.L.), CHU de Liège/CHR la Citadelle, Liège, Belgique; Neurology (S.L.), Hôpital du Sacré-cœur de Montréal; Neurology (A.P.), CH de l'Université de Montréal, Québec, Canada; Internal Medicine (A.R., B.T.), Université Paris-Cité, Hôpital Cochin, AP-HP; Neurology (D.W.-L.), Hôpital Foch, Suresnes; Internal Medicine (M. Vautier), Hôpital Pitié-Salpêtrière, Paris; Neurology (S.C.), CH de Gonesse; Internal Medicine (A. Neel), CHU de Nantes; Université Caen-Normandie (O.M., R.S., E. Touzé, A. Nehme), Neurology, CHU de Caen-Normandie; Internal Medicine (T.P.), Hôpital Bichat; Internal Medicine (C.C.-O.), Hôpital Lariboisière; Neurology (E.J.), Hôpital Lariboisière, Paris; Neurology (M.S.), HIA Sainte-Anne, Toulon; Neurology (L.P.-M.), CHU de Clermont-Ferrand; Neurology (M.A.K.), CH Troyes; Neurology (F.L.), CH d'Orsay; Neurology, CH de Saint-Denis; Université de Franche-Comté (E.M.), LINC Laboratoire de Recherches Intégratives en Neurosciences et Psychologie Cognitive et CMRR, Service de Neurologie, CHU de Besançon; Neurology (Q.T., M. Graber), CHU de Dijon; Neurology (Y.B.), CH de Béziers; Neurology (G.B.-F., D. Ratiu), CH de Narbonne, France; Vasculitis Clinic (C.P.), Mount Sinai Hospital, University of Toronto, Ontario, Canada; and Université Caen-Normandie (H.D.B.), Internal Medicine, CHU de Caen-Normandie, France.; Daelman L; From Neurology (L.G., O.O.-W., A.T.-B., D.W., P.V., G.Q.), CHU de Rouen; Radiology (G.B., F.B.), CHRU de Tours; Service des Urgences Neurovasculaires (J.C., S.A.), Hôpital Pitié-Salpêtrière, Sorbonne Université, AP-HP, Stare Team, iCRIN, Institut du Cerveau, Paris; Neurology (D. Renard, A.W., E. Thouvenot), CHU de Nîmes; Neurology (N.R., C.G., J.P.), CHU de Toulouse; Neurology (X.A., C.A., P.M.L.), CHU de Montpellier; Radiology (E.G.), CHU de Rouen; Neurology (P.K.), CHU de Luxembourg; Neurology (D.S., N.O., T.A.), CH de Perpignan; Neurology (M.F.), Hospices Civils de Lyon; Neurology (F.P.), CH de Versailles; Neurology (G.T., C.I.), GHU Paris; Geriatric Medicine (M. Verny), Hôpital Pitié-Salpêtrière, AP-HP, Paris; Neurology (L.H.), CHRU de Nancy; Neurology (M. Gaudron), CHRU de Tours; Neurology (S.V.), CHU de Rennes; Neurology (N.D., H.Z.), CHU de Lille; Neurology (B.G.), CHU de Nantes; Université Grenoble Alpes (O.D.), INSERM, U1216, Neurology, CHU de Grenoble Alpes, Grenoble Institute Neurosciences; Neurology (S.G.), CHU de Angers; UR2CA-URRIS (B.C.), Stroke Unit, CHU Pasteur 2, Nice Cote d'Azur University; Internal Medicine (M.L., S.B.), CHU de Nice; Internal Medicine (M.G.-V.), Hôpital Croix-Rousse, Lyon; Neurology (L.K.), CHRU de Strasbourg; Neurology (L.D.), CH de Lorient, France; Neurology (N.L.), CHU de Liège/CHR la Citadelle, Liège, Belgique; Neurology (S.L.), Hôpital du Sacré-cœur de Montréal; Neurology (A.P.), CH de l'Université de Montréal, Québec, Canada; Internal Medicine (A.R., B.T.), Université Paris-Cité, Hôpital Cochin, AP-HP; Neurology (D.W.-L.), Hôpital Foch, Suresnes; Internal Medicine (M. Vautier), Hôpital Pitié-Salpêtrière, Paris; Neurology (S.C.), CH de Gonesse; Internal Medicine (A. Neel), CHU de Nantes; Université Caen-Normandie (O.M., R.S., E. Touzé, A. Nehme), Neurology, CHU de Caen-Normandie; Internal Medicine (T.P.), Hôpital Bichat; Internal Medicine (C.C.-O.), Hôpital Lariboisière; Neurology (E.J.), Hôpital Lariboisière, Paris; Neurology (M.S.), HIA Sainte-Anne, Toulon; Neurology (L.P.-M.), CHU de Clermont-Ferrand; Neurology (M.A.K.), CH Troyes; Neurology (F.L.), CH d'Orsay; Neurology, CH de Saint-Denis; Université de Franche-Comté (E.M.), LINC Laboratoire de Recherches Intégratives en Neurosciences et Psychologie Cognitive et CMRR, Service de Neurologie, CHU de Besançon; Neurology (Q.T., M. Graber), CHU de Dijon; Neurology (Y.B.), CH de Béziers; Neurology (G.B.-F., D. Ratiu), CH de Narbonne, France; Vasculitis Clinic (C.P.), Mount Sinai Hospital, University of Toronto, Ontario, Canada; and Université Caen-Normandie (H.D.B.), Internal Medicine, CHU de Caen-Normandie, France.; Lambert N; From Neurology (L.G., O.O.-W., A.T.-B., D.W., P.V., G.Q.), CHU de Rouen; Radiology (G.B., F.B.), CHRU de Tours; Service des Urgences Neurovasculaires (J.C., S.A.), Hôpital Pitié-Salpêtrière, Sorbonne Université, AP-HP, Stare Team, iCRIN, Institut du Cerveau, Paris; Neurology (D. Renard, A.W., E. Thouvenot), CHU de Nîmes; Neurology (N.R., C.G., J.P.), CHU de Toulouse; Neurology (X.A., C.A., P.M.L.), CHU de Montpellier; Radiology (E.G.), CHU de Rouen; Neurology (P.K.), CHU de Luxembourg; Neurology (D.S., N.O., T.A.), CH de Perpignan; Neurology (M.F.), Hospices Civils de Lyon; Neurology (F.P.), CH de Versailles; Neurology (G.T., C.I.), GHU Paris; Geriatric Medicine (M. Verny), Hôpital Pitié-Salpêtrière, AP-HP, Paris; Neurology (L.H.), CHRU de Nancy; Neurology (M. Gaudron), CHRU de Tours; Neurology (S.V.), CHU de Rennes; Neurology (N.D., H.Z.), CHU de Lille; Neurology (B.G.), CHU de Nantes; Université Grenoble Alpes (O.D.), INSERM, U1216, Neurology, CHU de Grenoble Alpes, Grenoble Institute Neurosciences; Neurology (S.G.), CHU de Angers; UR2CA-URRIS (B.C.), Stroke Unit, CHU Pasteur 2, Nice Cote d'Azur University; Internal Medicine (M.L., S.B.), CHU de Nice; Internal Medicine (M.G.-V.), Hôpital Croix-Rousse, Lyon; Neurology (L.K.), CHRU de Strasbourg; Neurology (L.D.), CH de Lorient, France; Neurology (N.L.), CHU de Liège/CHR la Citadelle, Liège, Belgique; Neurology (S.L.), Hôpital du Sacré-cœur de Montréal; Neurology (A.P.), CH de l'Université de Montréal, Québec, Canada; Internal Medicine (A.R., B.T.), Université Paris-Cité, Hôpital Cochin, AP-HP; Neurology (D.W.-L.), Hôpital Foch, Suresnes; Internal Medicine (M. Vautier), Hôpital Pitié-Salpêtrière, Paris; Neurology (S.C.), CH de Gonesse; Internal Medicine (A. Neel), CHU de Nantes; Université Caen-Normandie (O.M., R.S., E. Touzé, A. Nehme), Neurology, CHU de Caen-Normandie; Internal Medicine (T.P.), Hôpital Bichat; Internal Medicine (C.C.-O.), Hôpital Lariboisière; Neurology (E.J.), Hôpital Lariboisière, Paris; Neurology (M.S.), HIA Sainte-Anne, Toulon; Neurology (L.P.-M.), CHU de Clermont-Ferrand; Neurology (M.A.K.), CH Troyes; Neurology (F.L.), CH d'Orsay; Neurology, CH de Saint-Denis; Université de Franche-Comté (E.M.), LINC Laboratoire de Recherches Intégratives en Neurosciences et Psychologie Cognitive et CMRR, Service de Neurologie, CHU de Besançon; Neurology (Q.T., M. Graber), CHU de Dijon; Neurology (Y.B.), CH de Béziers; Neurology (G.B.-F., D. Ratiu), CH de Narbonne, France; Vasculitis Clinic (C.P.), Mount Sinai Hospital, University of Toronto, Ontario, Canada; and Université Caen-Normandie (H.D.B.), Internal Medicine, CHU de Caen-Normandie, France.; Lanthier S; From Neurology (L.G., O.O.-W., A.T.-B., D.W., P.V., G.Q.), CHU de Rouen; Radiology (G.B., F.B.), CHRU de Tours; Service des Urgences Neurovasculaires (J.C., S.A.), Hôpital Pitié-Salpêtrière, Sorbonne Université, AP-HP, Stare Team, iCRIN, Institut du Cerveau, Paris; Neurology (D. Renard, A.W., E. Thouvenot), CHU de Nîmes; Neurology (N.R., C.G., J.P.), CHU de Toulouse; Neurology (X.A., C.A., P.M.L.), CHU de Montpellier; Radiology (E.G.), CHU de Rouen; Neurology (P.K.), CHU de Luxembourg; Neurology (D.S., N.O., T.A.), CH de Perpignan; Neurology (M.F.), Hospices Civils de Lyon; Neurology (F.P.), CH de Versailles; Neurology (G.T., C.I.), GHU Paris; Geriatric Medicine (M. Verny), Hôpital Pitié-Salpêtrière, AP-HP, Paris; Neurology (L.H.), CHRU de Nancy; Neurology (M. Gaudron), CHRU de Tours; Neurology (S.V.), CHU de Rennes; Neurology (N.D., H.Z.), CHU de Lille; Neurology (B.G.), CHU de Nantes; Université Grenoble Alpes (O.D.), INSERM, U1216, Neurology, CHU de Grenoble Alpes, Grenoble Institute Neurosciences; Neurology (S.G.), CHU de Angers; UR2CA-URRIS (B.C.), Stroke Unit, CHU Pasteur 2, Nice Cote d'Azur University; Internal Medicine (M.L., S.B.), CHU de Nice; Internal Medicine (M.G.-V.), Hôpital Croix-Rousse, Lyon; Neurology (L.K.), CHRU de Strasbourg; Neurology (L.D.), CH de Lorient, France; Neurology (N.L.), CHU de Liège/CHR la Citadelle, Liège, Belgique; Neurology (S.L.), Hôpital du Sacré-cœur de Montréal; Neurology (A.P.), CH de l'Université de Montréal, Québec, Canada; Internal Medicine (A.R., B.T.), Université Paris-Cité, Hôpital Cochin, AP-HP; Neurology (D.W.-L.), Hôpital Foch, Suresnes; Internal Medicine (M. Vautier), Hôpital Pitié-Salpêtrière, Paris; Neurology (S.C.), CH de Gonesse; Internal Medicine (A. Neel), CHU de Nantes; Université Caen-Normandie (O.M., R.S., E. Touzé, A. Nehme), Neurology, CHU de Caen-Normandie; Internal Medicine (T.P.), Hôpital Bichat; Internal Medicine (C.C.-O.), Hôpital Lariboisière; Neurology (E.J.), Hôpital Lariboisière, Paris; Neurology (M.S.), HIA Sainte-Anne, Toulon; Neurology (L.P.-M.), CHU de Clermont-Ferrand; Neurology (M.A.K.), CH Troyes; Neurology (F.L.), CH d'Orsay; Neurology, CH de Saint-Denis; Université de Franche-Comté (E.M.), LINC Laboratoire de Recherches Intégratives en Neurosciences et Psychologie Cognitive et CMRR, Service de Neurologie, CHU de Besançon; Neurology (Q.T., M. Graber), CHU de Dijon; Neurology (Y.B.), CH de Béziers; Neurology (G.B.-F., D. Ratiu), CH de Narbonne, France; Vasculitis Clinic (C.P.), Mount Sinai Hospital, University of Toronto, Ontario, Canada; and Université Caen-Normandie (H.D.B.), Internal Medicine, CHU de Caen-Normandie, France.; Poppe A; From Neurology (L.G., O.O.-W., A.T.-B., D.W., P.V., G.Q.), CHU de Rouen; Radiology (G.B., F.B.), CHRU de Tours; Service des Urgences Neurovasculaires (J.C., S.A.), Hôpital Pitié-Salpêtrière, Sorbonne Université, AP-HP, Stare Team, iCRIN, Institut du Cerveau, Paris; Neurology (D. Renard, A.W., E. Thouvenot), CHU de Nîmes; Neurology (N.R., C.G., J.P.), CHU de Toulouse; Neurology (X.A., C.A., P.M.L.), CHU de Montpellier; Radiology (E.G.), CHU de Rouen; Neurology (P.K.), CHU de Luxembourg; Neurology (D.S., N.O., T.A.), CH de Perpignan; Neurology (M.F.), Hospices Civils de Lyon; Neurology (F.P.), CH de Versailles; Neurology (G.T., C.I.), GHU Paris; Geriatric Medicine (M. Verny), Hôpital Pitié-Salpêtrière, AP-HP, Paris; Neurology (L.H.), CHRU de Nancy; Neurology (M. Gaudron), CHRU de Tours; Neurology (S.V.), CHU de Rennes; Neurology (N.D., H.Z.), CHU de Lille; Neurology (B.G.), CHU de Nantes; Université Grenoble Alpes (O.D.), INSERM, U1216, Neurology, CHU de Grenoble Alpes, Grenoble Institute Neurosciences; Neurology (S.G.), CHU de Angers; UR2CA-URRIS (B.C.), Stroke Unit, CHU Pasteur 2, Nice Cote d'Azur University; Internal Medicine (M.L., S.B.), CHU de Nice; Internal Medicine (M.G.-V.), Hôpital Croix-Rousse, Lyon; Neurology (L.K.), CHRU de Strasbourg; Neurology (L.D.), CH de Lorient, France; Neurology (N.L.), CHU de Liège/CHR la Citadelle, Liège, Belgique; Neurology (S.L.), Hôpital du Sacré-cœur de Montréal; Neurology (A.P.), CH de l'Université de Montréal, Québec, Canada; Internal Medicine (A.R., B.T.), Université Paris-Cité, Hôpital Cochin, AP-HP; Neurology (D.W.-L.), Hôpital Foch, Suresnes; Internal Medicine (M. Vautier), Hôpital Pitié-Salpêtrière, Paris; Neurology (S.C.), CH de Gonesse; Internal Medicine (A. Neel), CHU de Nantes; Université Caen-Normandie (O.M., R.S., E. Touzé, A. Nehme), Neurology, CHU de Caen-Normandie; Internal Medicine (T.P.), Hôpital Bichat; Internal Medicine (C.C.-O.), Hôpital Lariboisière; Neurology (E.J.), Hôpital Lariboisière, Paris; Neurology (M.S.), HIA Sainte-Anne, Toulon; Neurology (L.P.-M.), CHU de Clermont-Ferrand; Neurology (M.A.K.), CH Troyes; Neurology (F.L.), CH d'Orsay; Neurology, CH de Saint-Denis; Université de Franche-Comté (E.M.), LINC Laboratoire de Recherches Intégratives en Neurosciences et Psychologie Cognitive et CMRR, Service de Neurologie, CHU de Besançon; Neurology (Q.T., M. Graber), CHU de Dijon; Neurology (Y.B.), CH de Béziers; Neurology (G.B.-F., D. Ratiu), CH de Narbonne, France; Vasculitis Clinic (C.P.), Mount Sinai Hospital, University of Toronto, Ontario, Canada; and Université Caen-Normandie (H.D.B.), Internal Medicine, CHU de Caen-Normandie, France.; Régent A; From Neurology (L.G., O.O.-W., A.T.-B., D.W., P.V., G.Q.), CHU de Rouen; Radiology (G.B., F.B.), CHRU de Tours; Service des Urgences Neurovasculaires (J.C., S.A.), Hôpital Pitié-Salpêtrière, Sorbonne Université, AP-HP, Stare Team, iCRIN, Institut du Cerveau, Paris; Neurology (D. Renard, A.W., E. Thouvenot), CHU de Nîmes; Neurology (N.R., C.G., J.P.), CHU de Toulouse; Neurology (X.A., C.A., P.M.L.), CHU de Montpellier; Radiology (E.G.), CHU de Rouen; Neurology (P.K.), CHU de Luxembourg; Neurology (D.S., N.O., T.A.), CH de Perpignan; Neurology (M.F.), Hospices Civils de Lyon; Neurology (F.P.), CH de Versailles; Neurology (G.T., C.I.), GHU Paris; Geriatric Medicine (M. Verny), Hôpital Pitié-Salpêtrière, AP-HP, Paris; Neurology (L.H.), CHRU de Nancy; Neurology (M. Gaudron), CHRU de Tours; Neurology (S.V.), CHU de Rennes; Neurology (N.D., H.Z.), CHU de Lille; Neurology (B.G.), CHU de Nantes; Université Grenoble Alpes (O.D.), INSERM, U1216, Neurology, CHU de Grenoble Alpes, Grenoble Institute Neurosciences; Neurology (S.G.), CHU de Angers; UR2CA-URRIS (B.C.), Stroke Unit, CHU Pasteur 2, Nice Cote d'Azur University; Internal Medicine (M.L., S.B.), CHU de Nice; Internal Medicine (M.G.-V.), Hôpital Croix-Rousse, Lyon; Neurology (L.K.), CHRU de Strasbourg; Neurology (L.D.), CH de Lorient, France; Neurology (N.L.), CHU de Liège/CHR la Citadelle, Liège, Belgique; Neurology (S.L.), Hôpital du Sacré-cœur de Montréal; Neurology (A.P.), CH de l'Université de Montréal, Québec, Canada; Internal Medicine (A.R., B.T.), Université Paris-Cité, Hôpital Cochin, AP-HP; Neurology (D.W.-L.), Hôpital Foch, Suresnes; Internal Medicine (M. Vautier), Hôpital Pitié-Salpêtrière, Paris; Neurology (S.C.), CH de Gonesse; Internal Medicine (A. Neel), CHU de Nantes; Université Caen-Normandie (O.M., R.S., E. Touzé, A. Nehme), Neurology, CHU de Caen-Normandie; Internal Medicine (T.P.), Hôpital Bichat; Internal Medicine (C.C.-O.), Hôpital Lariboisière; Neurology (E.J.), Hôpital Lariboisière, Paris; Neurology (M.S.), HIA Sainte-Anne, Toulon; Neurology (L.P.-M.), CHU de Clermont-Ferrand; Neurology (M.A.K.), CH Troyes; Neurology (F.L.), CH d'Orsay; Neurology, CH de Saint-Denis; Université de Franche-Comté (E.M.), LINC Laboratoire de Recherches Intégratives en Neurosciences et Psychologie Cognitive et CMRR, Service de Neurologie, CHU de Besançon; Neurology (Q.T., M. Graber), CHU de Dijon; Neurology (Y.B.), CH de Béziers; Neurology (G.B.-F., D. Ratiu), CH de Narbonne, France; Vasculitis Clinic (C.P.), Mount Sinai Hospital, University of Toronto, Ontario, Canada; and Université Caen-Normandie (H.D.B.), Internal Medicine, CHU de Caen-Normandie, France.; Weisenburger-Lile D; From Neurology (L.G., O.O.-W., A.T.-B., D.W., P.V., G.Q.), CHU de Rouen; Radiology (G.B., F.B.), CHRU de Tours; Service des Urgences Neurovasculaires (J.C., S.A.), Hôpital Pitié-Salpêtrière, Sorbonne Université, AP-HP, Stare Team, iCRIN, Institut du Cerveau, Paris; Neurology (D. Renard, A.W., E. Thouvenot), CHU de Nîmes; Neurology (N.R., C.G., J.P.), CHU de Toulouse; Neurology (X.A., C.A., P.M.L.), CHU de Montpellier; Radiology (E.G.), CHU de Rouen; Neurology (P.K.), CHU de Luxembourg; Neurology (D.S., N.O., T.A.), CH de Perpignan; Neurology (M.F.), Hospices Civils de Lyon; Neurology (F.P.), CH de Versailles; Neurology (G.T., C.I.), GHU Paris; Geriatric Medicine (M. Verny), Hôpital Pitié-Salpêtrière, AP-HP, Paris; Neurology (L.H.), CHRU de Nancy; Neurology (M. Gaudron), CHRU de Tours; Neurology (S.V.), CHU de Rennes; Neurology (N.D., H.Z.), CHU de Lille; Neurology (B.G.), CHU de Nantes; Université Grenoble Alpes (O.D.), INSERM, U1216, Neurology, CHU de Grenoble Alpes, Grenoble Institute Neurosciences; Neurology (S.G.), CHU de Angers; UR2CA-URRIS (B.C.), Stroke Unit, CHU Pasteur 2, Nice Cote d'Azur University; Internal Medicine (M.L., S.B.), CHU de Nice; Internal Medicine (M.G.-V.), Hôpital Croix-Rousse, Lyon; Neurology (L.K.), CHRU de Strasbourg; Neurology (L.D.), CH de Lorient, France; Neurology (N.L.), CHU de Liège/CHR la Citadelle, Liège, Belgique; Neurology (S.L.), Hôpital du Sacré-cœur de Montréal; Neurology (A.P.), CH de l'Université de Montréal, Québec, Canada; Internal Medicine (A.R., B.T.), Université Paris-Cité, Hôpital Cochin, AP-HP; Neurology (D.W.-L.), Hôpital Foch, Suresnes; Internal Medicine (M. Vautier), Hôpital Pitié-Salpêtrière, Paris; Neurology (S.C.), CH de Gonesse; Internal Medicine (A. Neel), CHU de Nantes; Université Caen-Normandie (O.M., R.S., E. Touzé, A. Nehme), Neurology, CHU de Caen-Normandie; Internal Medicine (T.P.), Hôpital Bichat; Internal Medicine (C.C.-O.), Hôpital Lariboisière; Neurology (E.J.), Hôpital Lariboisière, Paris; Neurology (M.S.), HIA Sainte-Anne, Toulon; Neurology (L.P.-M.), CHU de Clermont-Ferrand; Neurology (M.A.K.), CH Troyes; Neurology (F.L.), CH d'Orsay; Neurology, CH de Saint-Denis; Université de Franche-Comté (E.M.), LINC Laboratoire de Recherches Intégratives en Neurosciences et Psychologie Cognitive et CMRR, Service de Neurologie, CHU de Besançon; Neurology (Q.T., M. Graber), CHU de Dijon; Neurology (Y.B.), CH de Béziers; Neurology (G.B.-F., D. Ratiu), CH de Narbonne, France; Vasculitis Clinic (C.P.), Mount Sinai Hospital, University of Toronto, Ontario, Canada; and Université Caen-Normandie (H.D.B.), Internal Medicine, CHU de Caen-Normandie, France.; Verdure P; From Neurology (L.G., O.O.-W., A.T.-B., D.W., P.V., G.Q.), CHU de Rouen; Radiology (G.B., F.B.), CHRU de Tours; Service des Urgences Neurovasculaires (J.C., S.A.), Hôpital Pitié-Salpêtrière, Sorbonne Université, AP-HP, Stare Team, iCRIN, Institut du Cerveau, Paris; Neurology (D. Renard, A.W., E. Thouvenot), CHU de Nîmes; Neurology (N.R., C.G., J.P.), CHU de Toulouse; Neurology (X.A., C.A., P.M.L.), CHU de Montpellier; Radiology (E.G.), CHU de Rouen; Neurology (P.K.), CHU de Luxembourg; Neurology (D.S., N.O., T.A.), CH de Perpignan; Neurology (M.F.), Hospices Civils de Lyon; Neurology (F.P.), CH de Versailles; Neurology (G.T., C.I.), GHU Paris; Geriatric Medicine (M. Verny), Hôpital Pitié-Salpêtrière, AP-HP, Paris; Neurology (L.H.), CHRU de Nancy; Neurology (M. Gaudron), CHRU de Tours; Neurology (S.V.), CHU de Rennes; Neurology (N.D., H.Z.), CHU de Lille; Neurology (B.G.), CHU de Nantes; Université Grenoble Alpes (O.D.), INSERM, U1216, Neurology, CHU de Grenoble Alpes, Grenoble Institute Neurosciences; Neurology (S.G.), CHU de Angers; UR2CA-URRIS (B.C.), Stroke Unit, CHU Pasteur 2, Nice Cote d'Azur University; Internal Medicine (M.L., S.B.), CHU de Nice; Internal Medicine (M.G.-V.), Hôpital Croix-Rousse, Lyon; Neurology (L.K.), CHRU de Strasbourg; Neurology (L.D.), CH de Lorient, France; Neurology (N.L.), CHU de Liège/CHR la Citadelle, Liège, Belgique; Neurology (S.L.), Hôpital du Sacré-cœur de Montréal; Neurology (A.P.), CH de l'Université de Montréal, Québec, Canada; Internal Medicine (A.R., B.T.), Université Paris-Cité, Hôpital Cochin, AP-HP; Neurology (D.W.-L.), Hôpital Foch, Suresnes; Internal Medicine (M. Vautier), Hôpital Pitié-Salpêtrière, Paris; Neurology (S.C.), CH de Gonesse; Internal Medicine (A. Neel), CHU de Nantes; Université Caen-Normandie (O.M., R.S., E. Touzé, A. Nehme), Neurology, CHU de Caen-Normandie; Internal Medicine (T.P.), Hôpital Bichat; Internal Medicine (C.C.-O.), Hôpital Lariboisière; Neurology (E.J.), Hôpital Lariboisière, Paris; Neurology (M.S.), HIA Sainte-Anne, Toulon; Neurology (L.P.-M.), CHU de Clermont-Ferrand; Neurology (M.A.K.), CH Troyes; Neurology (F.L.), CH d'Orsay; Neurology, CH de Saint-Denis; Université de Franche-Comté (E.M.), LINC Laboratoire de Recherches Intégratives en Neurosciences et Psychologie Cognitive et CMRR, Service de Neurologie, CHU de Besançon; Neurology (Q.T., M. Graber), CHU de Dijon; Neurology (Y.B.), CH de Béziers; Neurology (G.B.-F., D. Ratiu), CH de Narbonne, France; Vasculitis Clinic (C.P.), Mount Sinai Hospital, University of Toronto, Ontario, Canada; and Université Caen-Normandie (H.D.B.), Internal Medicine, CHU de Caen-Normandie, France.; Quesney G; From Neurology (L.G., O.O.-W., A.T.-B., D.W., P.V., G.Q.), CHU de Rouen; Radiology (G.B., F.B.), CHRU de Tours; Service des Urgences Neurovasculaires (J.C., S.A.), Hôpital Pitié-Salpêtrière, Sorbonne Université, AP-HP, Stare Team, iCRIN, Institut du Cerveau, Paris; Neurology (D. Renard, A.W., E. Thouvenot), CHU de Nîmes; Neurology (N.R., C.G., J.P.), CHU de Toulouse; Neurology (X.A., C.A., P.M.L.), CHU de Montpellier; Radiology (E.G.), CHU de Rouen; Neurology (P.K.), CHU de Luxembourg; Neurology (D.S., N.O., T.A.), CH de Perpignan; Neurology (M.F.), Hospices Civils de Lyon; Neurology (F.P.), CH de Versailles; Neurology (G.T., C.I.), GHU Paris; Geriatric Medicine (M. Verny), Hôpital Pitié-Salpêtrière, AP-HP, Paris; Neurology (L.H.), CHRU de Nancy; Neurology (M. Gaudron), CHRU de Tours; Neurology (S.V.), CHU de Rennes; Neurology (N.D., H.Z.), CHU de Lille; Neurology (B.G.), CHU de Nantes; Université Grenoble Alpes (O.D.), INSERM, U1216, Neurology, CHU de Grenoble Alpes, Grenoble Institute Neurosciences; Neurology (S.G.), CHU de Angers; UR2CA-URRIS (B.C.), Stroke Unit, CHU Pasteur 2, Nice Cote d'Azur University; Internal Medicine (M.L., S.B.), CHU de Nice; Internal Medicine (M.G.-V.), Hôpital Croix-Rousse, Lyon; Neurology (L.K.), CHRU de Strasbourg; Neurology (L.D.), CH de Lorient, France; Neurology (N.L.), CHU de Liège/CHR la Citadelle, Liège, Belgique; Neurology (S.L.), Hôpital du Sacré-cœur de Montréal; Neurology (A.P.), CH de l'Université de Montréal, Québec, Canada; Internal Medicine (A.R., B.T.), Université Paris-Cité, Hôpital Cochin, AP-HP; Neurology (D.W.-L.), Hôpital Foch, Suresnes; Internal Medicine (M. Vautier), Hôpital Pitié-Salpêtrière, Paris; Neurology (S.C.), CH de Gonesse; Internal Medicine (A. Neel), CHU de Nantes; Université Caen-Normandie (O.M., R.S., E. Touzé, A. Nehme), Neurology, CHU de Caen-Normandie; Internal Medicine (T.P.), Hôpital Bichat; Internal Medicine (C.C.-O.), Hôpital Lariboisière; Neurology (E.J.), Hôpital Lariboisière, Paris; Neurology (M.S.), HIA Sainte-Anne, Toulon; Neurology (L.P.-M.), CHU de Clermont-Ferrand; Neurology (M.A.K.), CH Troyes; Neurology (F.L.), CH d'Orsay; Neurology, CH de Saint-Denis; Université de Franche-Comté (E.M.), LINC Laboratoire de Recherches Intégratives en Neurosciences et Psychologie Cognitive et CMRR, Service de Neurologie, CHU de Besançon; Neurology (Q.T., M. Graber), CHU de Dijon; Neurology (Y.B.), CH de Béziers; Neurology (G.B.-F., D. Ratiu), CH de Narbonne, France; Vasculitis Clinic (C.P.), Mount Sinai Hospital, University of Toronto, Ontario, Canada; and Université Caen-Normandie (H.D.B.), Internal Medicine, CHU de Caen-Normandie, France.; Vautier M; From Neurology (L.G., O.O.-W., A.T.-B., D.W., P.V., G.Q.), CHU de Rouen; Radiology (G.B., F.B.), CHRU de Tours; Service des Urgences Neurovasculaires (J.C., S.A.), Hôpital Pitié-Salpêtrière, Sorbonne Université, AP-HP, Stare Team, iCRIN, Institut du Cerveau, Paris; Neurology (D. Renard, A.W., E. Thouvenot), CHU de Nîmes; Neurology (N.R., C.G., J.P.), CHU de Toulouse; Neurology (X.A., C.A., P.M.L.), CHU de Montpellier; Radiology (E.G.), CHU de Rouen; Neurology (P.K.), CHU de Luxembourg; Neurology (D.S., N.O., T.A.), CH de Perpignan; Neurology (M.F.), Hospices Civils de Lyon; Neurology (F.P.), CH de Versailles; Neurology (G.T., C.I.), GHU Paris; Geriatric Medicine (M. Verny), Hôpital Pitié-Salpêtrière, AP-HP, Paris; Neurology (L.H.), CHRU de Nancy; Neurology (M. Gaudron), CHRU de Tours; Neurology (S.V.), CHU de Rennes; Neurology (N.D., H.Z.), CHU de Lille; Neurology (B.G.), CHU de Nantes; Université Grenoble Alpes (O.D.), INSERM, U1216, Neurology, CHU de Grenoble Alpes, Grenoble Institute Neurosciences; Neurology (S.G.), CHU de Angers; UR2CA-URRIS (B.C.), Stroke Unit, CHU Pasteur 2, Nice Cote d'Azur University; Internal Medicine (M.L., S.B.), CHU de Nice; Internal Medicine (M.G.-V.), Hôpital Croix-Rousse, Lyon; Neurology (L.K.), CHRU de Strasbourg; Neurology (L.D.), CH de Lorient, France; Neurology (N.L.), CHU de Liège/CHR la Citadelle, Liège, Belgique; Neurology (S.L.), Hôpital du Sacré-cœur de Montréal; Neurology (A.P.), CH de l'Université de Montréal, Québec, Canada; Internal Medicine (A.R., B.T.), Université Paris-Cité, Hôpital Cochin, AP-HP; Neurology (D.W.-L.), Hôpital Foch, Suresnes; Internal Medicine (M. Vautier), Hôpital Pitié-Salpêtrière, Paris; Neurology (S.C.), CH de Gonesse; Internal Medicine (A. Neel), CHU de Nantes; Université Caen-Normandie (O.M., R.S., E. Touzé, A. Nehme), Neurology, CHU de Caen-Normandie; Internal Medicine (T.P.), Hôpital Bichat; Internal Medicine (C.C.-O.), Hôpital Lariboisière; Neurology (E.J.), Hôpital Lariboisière, Paris; Neurology (M.S.), HIA Sainte-Anne, Toulon; Neurology (L.P.-M.), CHU de Clermont-Ferrand; Neurology (M.A.K.), CH Troyes; Neurology (F.L.), CH d'Orsay; Neurology, CH de Saint-Denis; Université de Franche-Comté (E.M.), LINC Laboratoire de Recherches Intégratives en Neurosciences et Psychologie Cognitive et CMRR, Service de Neurologie, CHU de Besançon; Neurology (Q.T., M. Graber), CHU de Dijon; Neurology (Y.B.), CH de Béziers; Neurology (G.B.-F., D. Ratiu), CH de Narbonne, France; Vasculitis Clinic (C.P.), Mount Sinai Hospital, University of Toronto, Ontario, Canada; and Université Caen-Normandie (H.D.B.), Internal Medicine, CHU de Caen-Normandie, France.; Wacongne A; From Neurology (L.G., O.O.-W., A.T.-B., D.W., P.V., G.Q.), CHU de Rouen; Radiology (G.B., F.B.), CHRU de Tours; Service des Urgences Neurovasculaires (J.C., S.A.), Hôpital Pitié-Salpêtrière, Sorbonne Université, AP-HP, Stare Team, iCRIN, Institut du Cerveau, Paris; Neurology (D. Renard, A.W., E. Thouvenot), CHU de Nîmes; Neurology (N.R., C.G., J.P.), CHU de Toulouse; Neurology (X.A., C.A., P.M.L.), CHU de Montpellier; Radiology (E.G.), CHU de Rouen; Neurology (P.K.), CHU de Luxembourg; Neurology (D.S., N.O., T.A.), CH de Perpignan; Neurology (M.F.), Hospices Civils de Lyon; Neurology (F.P.), CH de Versailles; Neurology (G.T., C.I.), GHU Paris; Geriatric Medicine (M. Verny), Hôpital Pitié-Salpêtrière, AP-HP, Paris; Neurology (L.H.), CHRU de Nancy; Neurology (M. Gaudron), CHRU de Tours; Neurology (S.V.), CHU de Rennes; Neurology (N.D., H.Z.), CHU de Lille; Neurology (B.G.), CHU de Nantes; Université Grenoble Alpes (O.D.), INSERM, U1216, Neurology, CHU de Grenoble Alpes, Grenoble Institute Neurosciences; Neurology (S.G.), CHU de Angers; UR2CA-URRIS (B.C.), Stroke Unit, CHU Pasteur 2, Nice Cote d'Azur University; Internal Medicine (M.L., S.B.), CHU de Nice; Internal Medicine (M.G.-V.), Hôpital Croix-Rousse, Lyon; Neurology (L.K.), CHRU de Strasbourg; Neurology (L.D.), CH de Lorient, France; Neurology (N.L.), CHU de Liège/CHR la Citadelle, Liège, Belgique; Neurology (S.L.), Hôpital du Sacré-cœur de Montréal; Neurology (A.P.), CH de l'Université de Montréal, Québec, Canada; Internal Medicine (A.R., B.T.), Université Paris-Cité, Hôpital Cochin, AP-HP; Neurology (D.W.-L.), Hôpital Foch, Suresnes; Internal Medicine (M. Vautier), Hôpital Pitié-Salpêtrière, Paris; Neurology (S.C.), CH de Gonesse; Internal Medicine (A. Neel), CHU de Nantes; Université Caen-Normandie (O.M., R.S., E. Touzé, A. Nehme), Neurology, CHU de Caen-Normandie; Internal Medicine (T.P.), Hôpital Bichat; Internal Medicine (C.C.-O.), Hôpital Lariboisière; Neurology (E.J.), Hôpital Lariboisière, Paris; Neurology (M.S.), HIA Sainte-Anne, Toulon; Neurology (L.P.-M.), CHU de Clermont-Ferrand; Neurology (M.A.K.), CH Troyes; Neurology (F.L.), CH d'Orsay; Neurology, CH de Saint-Denis; Université de Franche-Comté (E.M.), LINC Laboratoire de Recherches Intégratives en Neurosciences et Psychologie Cognitive et CMRR, Service de Neurologie, CHU de Besançon; Neurology (Q.T., M. Graber), CHU de Dijon; Neurology (Y.B.), CH de Béziers; Neurology (G.B.-F., D. Ratiu), CH de Narbonne, France; Vasculitis Clinic (C.P.), Mount Sinai Hospital, University of Toronto, Ontario, Canada; and Université Caen-Normandie (H.D.B.), Internal Medicine, CHU de Caen-Normandie, France.; Thouvenot E; From Neurology (L.G., O.O.-W., A.T.-B., D.W., P.V., G.Q.), CHU de Rouen; Radiology (G.B., F.B.), CHRU de Tours; Service des Urgences Neurovasculaires (J.C., S.A.), Hôpital Pitié-Salpêtrière, Sorbonne Université, AP-HP, Stare Team, iCRIN, Institut du Cerveau, Paris; Neurology (D. Renard, A.W., E. Thouvenot), CHU de Nîmes; Neurology (N.R., C.G., J.P.), CHU de Toulouse; Neurology (X.A., C.A., P.M.L.), CHU de Montpellier; Radiology (E.G.), CHU de Rouen; Neurology (P.K.), CHU de Luxembourg; Neurology (D.S., N.O., T.A.), CH de Perpignan; Neurology (M.F.), Hospices Civils de Lyon; Neurology (F.P.), CH de Versailles; Neurology (G.T., C.I.), GHU Paris; Geriatric Medicine (M. Verny), Hôpital Pitié-Salpêtrière, AP-HP, Paris; Neurology (L.H.), CHRU de Nancy; Neurology (M. Gaudron), CHRU de Tours; Neurology (S.V.), CHU de Rennes; Neurology (N.D., H.Z.), CHU de Lille; Neurology (B.G.), CHU de Nantes; Université Grenoble Alpes (O.D.), INSERM, U1216, Neurology, CHU de Grenoble Alpes, Grenoble Institute Neurosciences; Neurology (S.G.), CHU de Angers; UR2CA-URRIS (B.C.), Stroke Unit, CHU Pasteur 2, Nice Cote d'Azur University; Internal Medicine (M.L., S.B.), CHU de Nice; Internal Medicine (M.G.-V.), Hôpital Croix-Rousse, Lyon; Neurology (L.K.), CHRU de Strasbourg; Neurology (L.D.), CH de Lorient, France; Neurology (N.L.), CHU de Liège/CHR la Citadelle, Liège, Belgique; Neurology (S.L.), Hôpital du Sacré-cœur de Montréal; Neurology (A.P.), CH de l'Université de Montréal, Québec, Canada; Internal Medicine (A.R., B.T.), Université Paris-Cité, Hôpital Cochin, AP-HP; Neurology (D.W.-L.), Hôpital Foch, Suresnes; Internal Medicine (M. Vautier), Hôpital Pitié-Salpêtrière, Paris; Neurology (S.C.), CH de Gonesse; Internal Medicine (A. Neel), CHU de Nantes; Université Caen-Normandie (O.M., R.S., E. Touzé, A. Nehme), Neurology, CHU de Caen-Normandie; Internal Medicine (T.P.), Hôpital Bichat; Internal Medicine (C.C.-O.), Hôpital Lariboisière; Neurology (E.J.), Hôpital Lariboisière, Paris; Neurology (M.S.), HIA Sainte-Anne, Toulon; Neurology (L.P.-M.), CHU de Clermont-Ferrand; Neurology (M.A.K.), CH Troyes; Neurology (F.L.), CH d'Orsay; Neurology, CH de Saint-Denis; Université de Franche-Comté (E.M.), LINC Laboratoire de Recherches Intégratives en Neurosciences et Psychologie Cognitive et CMRR, Service de Neurologie, CHU de Besançon; Neurology (Q.T., M. Graber), CHU de Dijon; Neurology (Y.B.), CH de Béziers; Neurology (G.B.-F., D. Ratiu), CH de Narbonne, France; Vasculitis Clinic (C.P.), Mount Sinai Hospital, University of Toronto, Ontario, Canada; and Université Caen-Normandie (H.D.B.), Internal Medicine, CHU de Caen-Normandie, France.; Pariente J; From Neurology (L.G., O.O.-W., A.T.-B., D.W., P.V., G.Q.), CHU de Rouen; Radiology (G.B., F.B.), CHRU de Tours; Service des Urgences Neurovasculaires (J.C., S.A.), Hôpital Pitié-Salpêtrière, Sorbonne Université, AP-HP, Stare Team, iCRIN, Institut du Cerveau, Paris; Neurology (D. Renard, A.W., E. Thouvenot), CHU de Nîmes; Neurology (N.R., C.G., J.P.), CHU de Toulouse; Neurology (X.A., C.A., P.M.L.), CHU de Montpellier; Radiology (E.G.), CHU de Rouen; Neurology (P.K.), CHU de Luxembourg; Neurology (D.S., N.O., T.A.), CH de Perpignan; Neurology (M.F.), Hospices Civils de Lyon; Neurology (F.P.), CH de Versailles; Neurology (G.T., C.I.), GHU Paris; Geriatric Medicine (M. Verny), Hôpital Pitié-Salpêtrière, AP-HP, Paris; Neurology (L.H.), CHRU de Nancy; Neurology (M. Gaudron), CHRU de Tours; Neurology (S.V.), CHU de Rennes; Neurology (N.D., H.Z.), CHU de Lille; Neurology (B.G.), CHU de Nantes; Université Grenoble Alpes (O.D.), INSERM, U1216, Neurology, CHU de Grenoble Alpes, Grenoble Institute Neurosciences; Neurology (S.G.), CHU de Angers; UR2CA-URRIS (B.C.), Stroke Unit, CHU Pasteur 2, Nice Cote d'Azur University; Internal Medicine (M.L., S.B.), CHU de Nice; Internal Medicine (M.G.-V.), Hôpital Croix-Rousse, Lyon; Neurology (L.K.), CHRU de Strasbourg; Neurology (L.D.), CH de Lorient, France; Neurology (N.L.), CHU de Liège/CHR la Citadelle, Liège, Belgique; Neurology (S.L.), Hôpital du Sacré-cœur de Montréal; Neurology (A.P.), CH de l'Université de Montréal, Québec, Canada; Internal Medicine (A.R., B.T.), Université Paris-Cité, Hôpital Cochin, AP-HP; Neurology (D.W.-L.), Hôpital Foch, Suresnes; Internal Medicine (M. Vautier), Hôpital Pitié-Salpêtrière, Paris; Neurology (S.C.), CH de Gonesse; Internal Medicine (A. Neel), CHU de Nantes; Université Caen-Normandie (O.M., R.S., E. Touzé, A. Nehme), Neurology, CHU de Caen-Normandie; Internal Medicine (T.P.), Hôpital Bichat; Internal Medicine (C.C.-O.), Hôpital Lariboisière; Neurology (E.J.), Hôpital Lariboisière, Paris; Neurology (M.S.), HIA Sainte-Anne, Toulon; Neurology (L.P.-M.), CHU de Clermont-Ferrand; Neurology (M.A.K.), CH Troyes; Neurology (F.L.), CH d'Orsay; Neurology, CH de Saint-Denis; Université de Franche-Comté (E.M.), LINC Laboratoire de Recherches Intégratives en Neurosciences et Psychologie Cognitive et CMRR, Service de Neurologie, CHU de Besançon; Neurology (Q.T., M. Graber), CHU de Dijon; Neurology (Y.B.), CH de Béziers; Neurology (G.B.-F., D. Ratiu), CH de Narbonne, France; Vasculitis Clinic (C.P.), Mount Sinai Hospital, University of Toronto, Ontario, Canada; and Université Caen-Normandie (H.D.B.), Internal Medicine, CHU de Caen-Normandie, France.; Coulette S; From Neurology (L.G., O.O.-W., A.T.-B., D.W., P.V., G.Q.), CHU de Rouen; Radiology (G.B., F.B.), CHRU de Tours; Service des Urgences Neurovasculaires (J.C., S.A.), Hôpital Pitié-Salpêtrière, Sorbonne Université, AP-HP, Stare Team, iCRIN, Institut du Cerveau, Paris; Neurology (D. Renard, A.W., E. Thouvenot), CHU de Nîmes; Neurology (N.R., C.G., J.P.), CHU de Toulouse; Neurology (X.A., C.A., P.M.L.), CHU de Montpellier; Radiology (E.G.), CHU de Rouen; Neurology (P.K.), CHU de Luxembourg; Neurology (D.S., N.O., T.A.), CH de Perpignan; Neurology (M.F.), Hospices Civils de Lyon; Neurology (F.P.), CH de Versailles; Neurology (G.T., C.I.), GHU Paris; Geriatric Medicine (M. Verny), Hôpital Pitié-Salpêtrière, AP-HP, Paris; Neurology (L.H.), CHRU de Nancy; Neurology (M. Gaudron), CHRU de Tours; Neurology (S.V.), CHU de Rennes; Neurology (N.D., H.Z.), CHU de Lille; Neurology (B.G.), CHU de Nantes; Université Grenoble Alpes (O.D.), INSERM, U1216, Neurology, CHU de Grenoble Alpes, Grenoble Institute Neurosciences; Neurology (S.G.), CHU de Angers; UR2CA-URRIS (B.C.), Stroke Unit, CHU Pasteur 2, Nice Cote d'Azur University; Internal Medicine (M.L., S.B.), CHU de Nice; Internal Medicine (M.G.-V.), Hôpital Croix-Rousse, Lyon; Neurology (L.K.), CHRU de Strasbourg; Neurology (L.D.), CH de Lorient, France; Neurology (N.L.), CHU de Liège/CHR la Citadelle, Liège, Belgique; Neurology (S.L.), Hôpital du Sacré-cœur de Montréal; Neurology (A.P.), CH de l'Université de Montréal, Québec, Canada; Internal Medicine (A.R., B.T.), Université Paris-Cité, Hôpital Cochin, AP-HP; Neurology (D.W.-L.), Hôpital Foch, Suresnes; Internal Medicine (M. Vautier), Hôpital Pitié-Salpêtrière, Paris; Neurology (S.C.), CH de Gonesse; Internal Medicine (A. Neel), CHU de Nantes; Université Caen-Normandie (O.M., R.S., E. Touzé, A. Nehme), Neurology, CHU de Caen-Normandie; Internal Medicine (T.P.), Hôpital Bichat; Internal Medicine (C.C.-O.), Hôpital Lariboisière; Neurology (E.J.), Hôpital Lariboisière, Paris; Neurology (M.S.), HIA Sainte-Anne, Toulon; Neurology (L.P.-M.), CHU de Clermont-Ferrand; Neurology (M.A.K.), CH Troyes; Neurology (F.L.), CH d'Orsay; Neurology, CH de Saint-Denis; Université de Franche-Comté (E.M.), LINC Laboratoire de Recherches Intégratives en Neurosciences et Psychologie Cognitive et CMRR, Service de Neurologie, CHU de Besançon; Neurology (Q.T., M. Graber), CHU de Dijon; Neurology (Y.B.), CH de Béziers; Neurology (G.B.-F., D. Ratiu), CH de Narbonne, France; Vasculitis Clinic (C.P.), Mount Sinai Hospital, University of Toronto, Ontario, Canada; and Université Caen-Normandie (H.D.B.), Internal Medicine, CHU de Caen-Normandie, France.; Labauge PM; From Neurology (L.G., O.O.-W., A.T.-B., D.W., P.V., G.Q.), CHU de Rouen; Radiology (G.B., F.B.), CHRU de Tours; Service des Urgences Neurovasculaires (J.C., S.A.), Hôpital Pitié-Salpêtrière, Sorbonne Université, AP-HP, Stare Team, iCRIN, Institut du Cerveau, Paris; Neurology (D. Renard, A.W., E. Thouvenot), CHU de Nîmes; Neurology (N.R., C.G., J.P.), CHU de Toulouse; Neurology (X.A., C.A., P.M.L.), CHU de Montpellier; Radiology (E.G.), CHU de Rouen; Neurology (P.K.), CHU de Luxembourg; Neurology (D.S., N.O., T.A.), CH de Perpignan; Neurology (M.F.), Hospices Civils de Lyon; Neurology (F.P.), CH de Versailles; Neurology (G.T., C.I.), GHU Paris; Geriatric Medicine (M. Verny), Hôpital Pitié-Salpêtrière, AP-HP, Paris; Neurology (L.H.), CHRU de Nancy; Neurology (M. Gaudron), CHRU de Tours; Neurology (S.V.), CHU de Rennes; Neurology (N.D., H.Z.), CHU de Lille; Neurology (B.G.), CHU de Nantes; Université Grenoble Alpes (O.D.), INSERM, U1216, Neurology, CHU de Grenoble Alpes, Grenoble Institute Neurosciences; Neurology (S.G.), CHU de Angers; UR2CA-URRIS (B.C.), Stroke Unit, CHU Pasteur 2, Nice Cote d'Azur University; Internal Medicine (M.L., S.B.), CHU de Nice; Internal Medicine (M.G.-V.), Hôpital Croix-Rousse, Lyon; Neurology (L.K.), CHRU de Strasbourg; Neurology (L.D.), CH de Lorient, France; Neurology (N.L.), CHU de Liège/CHR la Citadelle, Liège, Belgique; Neurology (S.L.), Hôpital du Sacré-cœur de Montréal; Neurology (A.P.), CH de l'Université de Montréal, Québec, Canada; Internal Medicine (A.R., B.T.), Université Paris-Cité, Hôpital Cochin, AP-HP; Neurology (D.W.-L.), Hôpital Foch, Suresnes; Internal Medicine (M. Vautier), Hôpital Pitié-Salpêtrière, Paris; Neurology (S.C.), CH de Gonesse; Internal Medicine (A. Neel), CHU de Nantes; Université Caen-Normandie (O.M., R.S., E. Touzé, A. Nehme), Neurology, CHU de Caen-Normandie; Internal Medicine (T.P.), Hôpital Bichat; Internal Medicine (C.C.-O.), Hôpital Lariboisière; Neurology (E.J.), Hôpital Lariboisière, Paris; Neurology (M.S.), HIA Sainte-Anne, Toulon; Neurology (L.P.-M.), CHU de Clermont-Ferrand; Neurology (M.A.K.), CH Troyes; Neurology (F.L.), CH d'Orsay; Neurology, CH de Saint-Denis; Université de Franche-Comté (E.M.), LINC Laboratoire de Recherches Intégratives en Neurosciences et Psychologie Cognitive et CMRR, Service de Neurologie, CHU de Besançon; Neurology (Q.T., M. Graber), CHU de Dijon; Neurology (Y.B.), CH de Béziers; Neurology (G.B.-F., D. Ratiu), CH de Narbonne, France; Vasculitis Clinic (C.P.), Mount Sinai Hospital, University of Toronto, Ontario, Canada; and Université Caen-Normandie (H.D.B.), Internal Medicine, CHU de Caen-Normandie, France.; Olivier N; From Neurology (L.G., O.O.-W., A.T.-B., D.W., P.V., G.Q.), CHU de Rouen; Radiology (G.B., F.B.), CHRU de Tours; Service des Urgences Neurovasculaires (J.C., S.A.), Hôpital Pitié-Salpêtrière, Sorbonne Université, AP-HP, Stare Team, iCRIN, Institut du Cerveau, Paris; Neurology (D. Renard, A.W., E. Thouvenot), CHU de Nîmes; Neurology (N.R., C.G., J.P.), CHU de Toulouse; Neurology (X.A., C.A., P.M.L.), CHU de Montpellier; Radiology (E.G.), CHU de Rouen; Neurology (P.K.), CHU de Luxembourg; Neurology (D.S., N.O., T.A.), CH de Perpignan; Neurology (M.F.), Hospices Civils de Lyon; Neurology (F.P.), CH de Versailles; Neurology (G.T., C.I.), GHU Paris; Geriatric Medicine (M. Verny), Hôpital Pitié-Salpêtrière, AP-HP, Paris; Neurology (L.H.), CHRU de Nancy; Neurology (M. Gaudron), CHRU de Tours; Neurology (S.V.), CHU de Rennes; Neurology (N.D., H.Z.), CHU de Lille; Neurology (B.G.), CHU de Nantes; Université Grenoble Alpes (O.D.), INSERM, U1216, Neurology, CHU de Grenoble Alpes, Grenoble Institute Neurosciences; Neurology (S.G.), CHU de Angers; UR2CA-URRIS (B.C.), Stroke Unit, CHU Pasteur 2, Nice Cote d'Azur University; Internal Medicine (M.L., S.B.), CHU de Nice; Internal Medicine (M.G.-V.), Hôpital Croix-Rousse, Lyon; Neurology (L.K.), CHRU de Strasbourg; Neurology (L.D.), CH de Lorient, France; Neurology (N.L.), CHU de Liège/CHR la Citadelle, Liège, Belgique; Neurology (S.L.), Hôpital du Sacré-cœur de Montréal; Neurology (A.P.), CH de l'Université de Montréal, Québec, Canada; Internal Medicine (A.R., B.T.), Université Paris-Cité, Hôpital Cochin, AP-HP; Neurology (D.W.-L.), Hôpital Foch, Suresnes; Internal Medicine (M. Vautier), Hôpital Pitié-Salpêtrière, Paris; Neurology (S.C.), CH de Gonesse; Internal Medicine (A. Neel), CHU de Nantes; Université Caen-Normandie (O.M., R.S., E. Touzé, A. Nehme), Neurology, CHU de Caen-Normandie; Internal Medicine (T.P.), Hôpital Bichat; Internal Medicine (C.C.-O.), Hôpital Lariboisière; Neurology (E.J.), Hôpital Lariboisière, Paris; Neurology (M.S.), HIA Sainte-Anne, Toulon; Neurology (L.P.-M.), CHU de Clermont-Ferrand; Neurology (M.A.K.), CH Troyes; Neurology (F.L.), CH d'Orsay; Neurology, CH de Saint-Denis; Université de Franche-Comté (E.M.), LINC Laboratoire de Recherches Intégratives en Neurosciences et Psychologie Cognitive et CMRR, Service de Neurologie, CHU de Besançon; Neurology (Q.T., M. Graber), CHU de Dijon; Neurology (Y.B.), CH de Béziers; Neurology (G.B.-F., D. Ratiu), CH de Narbonne, France; Vasculitis Clinic (C.P.), Mount Sinai Hospital, University of Toronto, Ontario, Canada; and Université Caen-Normandie (H.D.B.), Internal Medicine, CHU de Caen-Normandie, France.; Allou T; From Neurology (L.G., O.O.-W., A.T.-B., D.W., P.V., G.Q.), CHU de Rouen; Radiology (G.B., F.B.), CHRU de Tours; Service des Urgences Neurovasculaires (J.C., S.A.), Hôpital Pitié-Salpêtrière, Sorbonne Université, AP-HP, Stare Team, iCRIN, Institut du Cerveau, Paris; Neurology (D. Renard, A.W., E. Thouvenot), CHU de Nîmes; Neurology (N.R., C.G., J.P.), CHU de Toulouse; Neurology (X.A., C.A., P.M.L.), CHU de Montpellier; Radiology (E.G.), CHU de Rouen; Neurology (P.K.), CHU de Luxembourg; Neurology (D.S., N.O., T.A.), CH de Perpignan; Neurology (M.F.), Hospices Civils de Lyon; Neurology (F.P.), CH de Versailles; Neurology (G.T., C.I.), GHU Paris; Geriatric Medicine (M. Verny), Hôpital Pitié-Salpêtrière, AP-HP, Paris; Neurology (L.H.), CHRU de Nancy; Neurology (M. Gaudron), CHRU de Tours; Neurology (S.V.), CHU de Rennes; Neurology (N.D., H.Z.), CHU de Lille; Neurology (B.G.), CHU de Nantes; Université Grenoble Alpes (O.D.), INSERM, U1216, Neurology, CHU de Grenoble Alpes, Grenoble Institute Neurosciences; Neurology (S.G.), CHU de Angers; UR2CA-URRIS (B.C.), Stroke Unit, CHU Pasteur 2, Nice Cote d'Azur University; Internal Medicine (M.L., S.B.), CHU de Nice; Internal Medicine (M.G.-V.), Hôpital Croix-Rousse, Lyon; Neurology (L.K.), CHRU de Strasbourg; Neurology (L.D.), CH de Lorient, France; Neurology (N.L.), CHU de Liège/CHR la Citadelle, Liège, Belgique; Neurology (S.L.), Hôpital du Sacré-cœur de Montréal; Neurology (A.P.), CH de l'Université de Montréal, Québec, Canada; Internal Medicine (A.R., B.T.), Université Paris-Cité, Hôpital Cochin, AP-HP; Neurology (D.W.-L.), Hôpital Foch, Suresnes; Internal Medicine (M. Vautier), Hôpital Pitié-Salpêtrière, Paris; Neurology (S.C.), CH de Gonesse; Internal Medicine (A. Neel), CHU de Nantes; Université Caen-Normandie (O.M., R.S., E. Touzé, A. Nehme), Neurology, CHU de Caen-Normandie; Internal Medicine (T.P.), Hôpital Bichat; Internal Medicine (C.C.-O.), Hôpital Lariboisière; Neurology (E.J.), Hôpital Lariboisière, Paris; Neurology (M.S.), HIA Sainte-Anne, Toulon; Neurology (L.P.-M.), CHU de Clermont-Ferrand; Neurology (M.A.K.), CH Troyes; Neurology (F.L.), CH d'Orsay; Neurology, CH de Saint-Denis; Université de Franche-Comté (E.M.), LINC Laboratoire de Recherches Intégratives en Neurosciences et Psychologie Cognitive et CMRR, Service de Neurologie, CHU de Besançon; Neurology (Q.T., M. Graber), CHU de Dijon; Neurology (Y.B.), CH de Béziers; Neurology (G.B.-F., D. Ratiu), CH de Narbonne, France; Vasculitis Clinic (C.P.), Mount Sinai Hospital, University of Toronto, Ontario, Canada; and Université Caen-Normandie (H.D.B.), Internal Medicine, CHU de Caen-Normandie, France.; Zephir H; From Neurology (L.G., O.O.-W., A.T.-B., D.W., P.V., G.Q.), CHU de Rouen; Radiology (G.B., F.B.), CHRU de Tours; Service des Urgences Neurovasculaires (J.C., S.A.), Hôpital Pitié-Salpêtrière, Sorbonne Université, AP-HP, Stare Team, iCRIN, Institut du Cerveau, Paris; Neurology (D. Renard, A.W., E. Thouvenot), CHU de Nîmes; Neurology (N.R., C.G., J.P.), CHU de Toulouse; Neurology (X.A., C.A., P.M.L.), CHU de Montpellier; Radiology (E.G.), CHU de Rouen; Neurology (P.K.), CHU de Luxembourg; Neurology (D.S., N.O., T.A.), CH de Perpignan; Neurology (M.F.), Hospices Civils de Lyon; Neurology (F.P.), CH de Versailles; Neurology (G.T., C.I.), GHU Paris; Geriatric Medicine (M. Verny), Hôpital Pitié-Salpêtrière, AP-HP, Paris; Neurology (L.H.), CHRU de Nancy; Neurology (M. Gaudron), CHRU de Tours; Neurology (S.V.), CHU de Rennes; Neurology (N.D., H.Z.), CHU de Lille; Neurology (B.G.), CHU de Nantes; Université Grenoble Alpes (O.D.), INSERM, U1216, Neurology, CHU de Grenoble Alpes, Grenoble Institute Neurosciences; Neurology (S.G.), CHU de Angers; UR2CA-URRIS (B.C.), Stroke Unit, CHU Pasteur 2, Nice Cote d'Azur University; Internal Medicine (M.L., S.B.), CHU de Nice; Internal Medicine (M.G.-V.), Hôpital Croix-Rousse, Lyon; Neurology (L.K.), CHRU de Strasbourg; Neurology (L.D.), CH de Lorient, France; Neurology (N.L.), CHU de Liège/CHR la Citadelle, Liège, Belgique; Neurology (S.L.), Hôpital du Sacré-cœur de Montréal; Neurology (A.P.), CH de l'Université de Montréal, Québec, Canada; Internal Medicine (A.R., B.T.), Université Paris-Cité, Hôpital Cochin, AP-HP; Neurology (D.W.-L.), Hôpital Foch, Suresnes; Internal Medicine (M. Vautier), Hôpital Pitié-Salpêtrière, Paris; Neurology (S.C.), CH de Gonesse; Internal Medicine (A. Neel), CHU de Nantes; Université Caen-Normandie (O.M., R.S., E. Touzé, A. Nehme), Neurology, CHU de Caen-Normandie; Internal Medicine (T.P.), Hôpital Bichat; Internal Medicine (C.C.-O.), Hôpital Lariboisière; Neurology (E.J.), Hôpital Lariboisière, Paris; Neurology (M.S.), HIA Sainte-Anne, Toulon; Neurology (L.P.-M.), CHU de Clermont-Ferrand; Neurology (M.A.K.), CH Troyes; Neurology (F.L.), CH d'Orsay; Neurology, CH de Saint-Denis; Université de Franche-Comté (E.M.), LINC Laboratoire de Recherches Intégratives en Neurosciences et Psychologie Cognitive et CMRR, Service de Neurologie, CHU de Besançon; Neurology (Q.T., M. Graber), CHU de Dijon; Neurology (Y.B.), CH de Béziers; Neurology (G.B.-F., D. Ratiu), CH de Narbonne, France; Vasculitis Clinic (C.P.), Mount Sinai Hospital, University of Toronto, Ontario, Canada; and Université Caen-Normandie (H.D.B.), Internal Medicine, CHU de Caen-Normandie, France.; Néel A; From Neurology (L.G., O.O.-W., A.T.-B., D.W., P.V., G.Q.), CHU de Rouen; Radiology (G.B., F.B.), CHRU de Tours; Service des Urgences Neurovasculaires (J.C., S.A.), Hôpital Pitié-Salpêtrière, Sorbonne Université, AP-HP, Stare Team, iCRIN, Institut du Cerveau, Paris; Neurology (D. Renard, A.W., E. Thouvenot), CHU de Nîmes; Neurology (N.R., C.G., J.P.), CHU de Toulouse; Neurology (X.A., C.A., P.M.L.), CHU de Montpellier; Radiology (E.G.), CHU de Rouen; Neurology (P.K.), CHU de Luxembourg; Neurology (D.S., N.O., T.A.), CH de Perpignan; Neurology (M.F.), Hospices Civils de Lyon; Neurology (F.P.), CH de Versailles; Neurology (G.T., C.I.), GHU Paris; Geriatric Medicine (M. Verny), Hôpital Pitié-Salpêtrière, AP-HP, Paris; Neurology (L.H.), CHRU de Nancy; Neurology (M. Gaudron), CHRU de Tours; Neurology (S.V.), CHU de Rennes; Neurology (N.D., H.Z.), CHU de Lille; Neurology (B.G.), CHU de Nantes; Université Grenoble Alpes (O.D.), INSERM, U1216, Neurology, CHU de Grenoble Alpes, Grenoble Institute Neurosciences; Neurology (S.G.), CHU de Angers; UR2CA-URRIS (B.C.), Stroke Unit, CHU Pasteur 2, Nice Cote d'Azur University; Internal Medicine (M.L., S.B.), CHU de Nice; Internal Medicine (M.G.-V.), Hôpital Croix-Rousse, Lyon; Neurology (L.K.), CHRU de Strasbourg; Neurology (L.D.), CH de Lorient, France; Neurology (N.L.), CHU de Liège/CHR la Citadelle, Liège, Belgique; Neurology (S.L.), Hôpital du Sacré-cœur de Montréal; Neurology (A.P.), CH de l'Université de Montréal, Québec, Canada; Internal Medicine (A.R., B.T.), Université Paris-Cité, Hôpital Cochin, AP-HP; Neurology (D.W.-L.), Hôpital Foch, Suresnes; Internal Medicine (M. Vautier), Hôpital Pitié-Salpêtrière, Paris; Neurology (S.C.), CH de Gonesse; Internal Medicine (A. Neel), CHU de Nantes; Université Caen-Normandie (O.M., R.S., E. Touzé, A. Nehme), Neurology, CHU de Caen-Normandie; Internal Medicine (T.P.), Hôpital Bichat; Internal Medicine (C.C.-O.), Hôpital Lariboisière; Neurology (E.J.), Hôpital Lariboisière, Paris; Neurology (M.S.), HIA Sainte-Anne, Toulon; Neurology (L.P.-M.), CHU de Clermont-Ferrand; Neurology (M.A.K.), CH Troyes; Neurology (F.L.), CH d'Orsay; Neurology, CH de Saint-Denis; Université de Franche-Comté (E.M.), LINC Laboratoire de Recherches Intégratives en Neurosciences et Psychologie Cognitive et CMRR, Service de Neurologie, CHU de Besançon; Neurology (Q.T., M. Graber), CHU de Dijon; Neurology (Y.B.), CH de Béziers; Neurology (G.B.-F., D. Ratiu), CH de Narbonne, France; Vasculitis Clinic (C.P.), Mount Sinai Hospital, University of Toronto, Ontario, Canada; and Université Caen-Normandie (H.D.B.), Internal Medicine, CHU de Caen-Normandie, France.; Bresch S; From Neurology (L.G., O.O.-W., A.T.-B., D.W., P.V., G.Q.), CHU de Rouen; Radiology (G.B., F.B.), CHRU de Tours; Service des Urgences Neurovasculaires (J.C., S.A.), Hôpital Pitié-Salpêtrière, Sorbonne Université, AP-HP, Stare Team, iCRIN, Institut du Cerveau, Paris; Neurology (D. Renard, A.W., E. Thouvenot), CHU de Nîmes; Neurology (N.R., C.G., J.P.), CHU de Toulouse; Neurology (X.A., C.A., P.M.L.), CHU de Montpellier; Radiology (E.G.), CHU de Rouen; Neurology (P.K.), CHU de Luxembourg; Neurology (D.S., N.O., T.A.), CH de Perpignan; Neurology (M.F.), Hospices Civils de Lyon; Neurology (F.P.), CH de Versailles; Neurology (G.T., C.I.), GHU Paris; Geriatric Medicine (M. Verny), Hôpital Pitié-Salpêtrière, AP-HP, Paris; Neurology (L.H.), CHRU de Nancy; Neurology (M. Gaudron), CHRU de Tours; Neurology (S.V.), CHU de Rennes; Neurology (N.D., H.Z.), CHU de Lille; Neurology (B.G.), CHU de Nantes; Université Grenoble Alpes (O.D.), INSERM, U1216, Neurology, CHU de Grenoble Alpes, Grenoble Institute Neurosciences; Neurology (S.G.), CHU de Angers; UR2CA-URRIS (B.C.), Stroke Unit, CHU Pasteur 2, Nice Cote d'Azur University; Internal Medicine (M.L., S.B.), CHU de Nice; Internal Medicine (M.G.-V.), Hôpital Croix-Rousse, Lyon; Neurology (L.K.), CHRU de Strasbourg; Neurology (L.D.), CH de Lorient, France; Neurology (N.L.), CHU de Liège/CHR la Citadelle, Liège, Belgique; Neurology (S.L.), Hôpital du Sacré-cœur de Montréal; Neurology (A.P.), CH de l'Université de Montréal, Québec, Canada; Internal Medicine (A.R., B.T.), Université Paris-Cité, Hôpital Cochin, AP-HP; Neurology (D.W.-L.), Hôpital Foch, Suresnes; Internal Medicine (M. Vautier), Hôpital Pitié-Salpêtrière, Paris; Neurology (S.C.), CH de Gonesse; Internal Medicine (A. Neel), CHU de Nantes; Université Caen-Normandie (O.M., R.S., E. Touzé, A. Nehme), Neurology, CHU de Caen-Normandie; Internal Medicine (T.P.), Hôpital Bichat; Internal Medicine (C.C.-O.), Hôpital Lariboisière; Neurology (E.J.), Hôpital Lariboisière, Paris; Neurology (M.S.), HIA Sainte-Anne, Toulon; Neurology (L.P.-M.), CHU de Clermont-Ferrand; Neurology (M.A.K.), CH Troyes; Neurology (F.L.), CH d'Orsay; Neurology, CH de Saint-Denis; Université de Franche-Comté (E.M.), LINC Laboratoire de Recherches Intégratives en Neurosciences et Psychologie Cognitive et CMRR, Service de Neurologie, CHU de Besançon; Neurology (Q.T., M. Graber), CHU de Dijon; Neurology (Y.B.), CH de Béziers; Neurology (G.B.-F., D. Ratiu), CH de Narbonne, France; Vasculitis Clinic (C.P.), Mount Sinai Hospital, University of Toronto, Ontario, Canada; and Université Caen-Normandie (H.D.B.), Internal Medicine, CHU de Caen-Normandie, France.; Terrier B; From Neurology (L.G., O.O.-W., A.T.-B., D.W., P.V., G.Q.), CHU de Rouen; Radiology (G.B., F.B.), CHRU de Tours; Service des Urgences Neurovasculaires (J.C., S.A.), Hôpital Pitié-Salpêtrière, Sorbonne Université, AP-HP, Stare Team, iCRIN, Institut du Cerveau, Paris; Neurology (D. Renard, A.W., E. Thouvenot), CHU de Nîmes; Neurology (N.R., C.G., J.P.), CHU de Toulouse; Neurology (X.A., C.A., P.M.L.), CHU de Montpellier; Radiology (E.G.), CHU de Rouen; Neurology (P.K.), CHU de Luxembourg; Neurology (D.S., N.O., T.A.), CH de Perpignan; Neurology (M.F.), Hospices Civils de Lyon; Neurology (F.P.), CH de Versailles; Neurology (G.T., C.I.), GHU Paris; Geriatric Medicine (M. Verny), Hôpital Pitié-Salpêtrière, AP-HP, Paris; Neurology (L.H.), CHRU de Nancy; Neurology (M. Gaudron), CHRU de Tours; Neurology (S.V.), CHU de Rennes; Neurology (N.D., H.Z.), CHU de Lille; Neurology (B.G.), CHU de Nantes; Université Grenoble Alpes (O.D.), INSERM, U1216, Neurology, CHU de Grenoble Alpes, Grenoble Institute Neurosciences; Neurology (S.G.), CHU de Angers; UR2CA-URRIS (B.C.), Stroke Unit, CHU Pasteur 2, Nice Cote d'Azur University; Internal Medicine (M.L., S.B.), CHU de Nice; Internal Medicine (M.G.-V.), Hôpital Croix-Rousse, Lyon; Neurology (L.K.), CHRU de Strasbourg; Neurology (L.D.), CH de Lorient, France; Neurology (N.L.), CHU de Liège/CHR la Citadelle, Liège, Belgique; Neurology (S.L.), Hôpital du Sacré-cœur de Montréal; Neurology (A.P.), CH de l'Université de Montréal, Québec, Canada; Internal Medicine (A.R., B.T.), Université Paris-Cité, Hôpital Cochin, AP-HP; Neurology (D.W.-L.), Hôpital Foch, Suresnes; Internal Medicine (M. Vautier), Hôpital Pitié-Salpêtrière, Paris; Neurology (S.C.), CH de Gonesse; Internal Medicine (A. Neel), CHU de Nantes; Université Caen-Normandie (O.M., R.S., E. Touzé, A. Nehme), Neurology, CHU de Caen-Normandie; Internal Medicine (T.P.), Hôpital Bichat; Internal Medicine (C.C.-O.), Hôpital Lariboisière; Neurology (E.J.), Hôpital Lariboisière, Paris; Neurology (M.S.), HIA Sainte-Anne, Toulon; Neurology (L.P.-M.), CHU de Clermont-Ferrand; Neurology (M.A.K.), CH Troyes; Neurology (F.L.), CH d'Orsay; Neurology, CH de Saint-Denis; Université de Franche-Comté (E.M.), LINC Laboratoire de Recherches Intégratives en Neurosciences et Psychologie Cognitive et CMRR, Service de Neurologie, CHU de Besançon; Neurology (Q.T., M. Graber), CHU de Dijon; Neurology (Y.B.), CH de Béziers; Neurology (G.B.-F., D. Ratiu), CH de Narbonne, France; Vasculitis Clinic (C.P.), Mount Sinai Hospital, University of Toronto, Ontario, Canada; and Université Caen-Normandie (H.D.B.), Internal Medicine, CHU de Caen-Normandie, France.; Martinaud O; From Neurology (L.G., O.O.-W., A.T.-B., D.W., P.V., G.Q.), CHU de Rouen; Radiology (G.B., F.B.), CHRU de Tours; Service des Urgences Neurovasculaires (J.C., S.A.), Hôpital Pitié-Salpêtrière, Sorbonne Université, AP-HP, Stare Team, iCRIN, Institut du Cerveau, Paris; Neurology (D. Renard, A.W., E. Thouvenot), CHU de Nîmes; Neurology (N.R., C.G., J.P.), CHU de Toulouse; Neurology (X.A., C.A., P.M.L.), CHU de Montpellier; Radiology (E.G.), CHU de Rouen; Neurology (P.K.), CHU de Luxembourg; Neurology (D.S., N.O., T.A.), CH de Perpignan; Neurology (M.F.), Hospices Civils de Lyon; Neurology (F.P.), CH de Versailles; Neurology (G.T., C.I.), GHU Paris; Geriatric Medicine (M. Verny), Hôpital Pitié-Salpêtrière, AP-HP, Paris; Neurology (L.H.), CHRU de Nancy; Neurology (M. Gaudron), CHRU de Tours; Neurology (S.V.), CHU de Rennes; Neurology (N.D., H.Z.), CHU de Lille; Neurology (B.G.), CHU de Nantes; Université Grenoble Alpes (O.D.), INSERM, U1216, Neurology, CHU de Grenoble Alpes, Grenoble Institute Neurosciences; Neurology (S.G.), CHU de Angers; UR2CA-URRIS (B.C.), Stroke Unit, CHU Pasteur 2, Nice Cote d'Azur University; Internal Medicine (M.L., S.B.), CHU de Nice; Internal Medicine (M.G.-V.), Hôpital Croix-Rousse, Lyon; Neurology (L.K.), CHRU de Strasbourg; Neurology (L.D.), CH de Lorient, France; Neurology (N.L.), CHU de Liège/CHR la Citadelle, Liège, Belgique; Neurology (S.L.), Hôpital du Sacré-cœur de Montréal; Neurology (A.P.), CH de l'Université de Montréal, Québec, Canada; Internal Medicine (A.R., B.T.), Université Paris-Cité, Hôpital Cochin, AP-HP; Neurology (D.W.-L.), Hôpital Foch, Suresnes; Internal Medicine (M. Vautier), Hôpital Pitié-Salpêtrière, Paris; Neurology (S.C.), CH de Gonesse; Internal Medicine (A. Neel), CHU de Nantes; Université Caen-Normandie (O.M., R.S., E. Touzé, A. Nehme), Neurology, CHU de Caen-Normandie; Internal Medicine (T.P.), Hôpital Bichat; Internal Medicine (C.C.-O.), Hôpital Lariboisière; Neurology (E.J.), Hôpital Lariboisière, Paris; Neurology (M.S.), HIA Sainte-Anne, Toulon; Neurology (L.P.-M.), CHU de Clermont-Ferrand; Neurology (M.A.K.), CH Troyes; Neurology (F.L.), CH d'Orsay; Neurology, CH de Saint-Denis; Université de Franche-Comté (E.M.), LINC Laboratoire de Recherches Intégratives en Neurosciences et Psychologie Cognitive et CMRR, Service de Neurologie, CHU de Besançon; Neurology (Q.T., M. Graber), CHU de Dijon; Neurology (Y.B.), CH de Béziers; Neurology (G.B.-F., D. Ratiu), CH de Narbonne, France; Vasculitis Clinic (C.P.), Mount Sinai Hospital, University of Toronto, Ontario, Canada; and Université Caen-Normandie (H.D.B.), Internal Medicine, CHU de Caen-Normandie, France.; Schneckenburger R; From Neurology (L.G., O.O.-W., A.T.-B., D.W., P.V., G.Q.), CHU de Rouen; Radiology (G.B., F.B.), CHRU de Tours; Service des Urgences Neurovasculaires (J.C., S.A.), Hôpital Pitié-Salpêtrière, Sorbonne Université, AP-HP, Stare Team, iCRIN, Institut du Cerveau, Paris; Neurology (D. Renard, A.W., E. Thouvenot), CHU de Nîmes; Neurology (N.R., C.G., J.P.), CHU de Toulouse; Neurology (X.A., C.A., P.M.L.), CHU de Montpellier; Radiology (E.G.), CHU de Rouen; Neurology (P.K.), CHU de Luxembourg; Neurology (D.S., N.O., T.A.), CH de Perpignan; Neurology (M.F.), Hospices Civils de Lyon; Neurology (F.P.), CH de Versailles; Neurology (G.T., C.I.), GHU Paris; Geriatric Medicine (M. Verny), Hôpital Pitié-Salpêtrière, AP-HP, Paris; Neurology (L.H.), CHRU de Nancy; Neurology (M. Gaudron), CHRU de Tours; Neurology (S.V.), CHU de Rennes; Neurology (N.D., H.Z.), CHU de Lille; Neurology (B.G.), CHU de Nantes; Université Grenoble Alpes (O.D.), INSERM, U1216, Neurology, CHU de Grenoble Alpes, Grenoble Institute Neurosciences; Neurology (S.G.), CHU de Angers; UR2CA-URRIS (B.C.), Stroke Unit, CHU Pasteur 2, Nice Cote d'Azur University; Internal Medicine (M.L., S.B.), CHU de Nice; Internal Medicine (M.G.-V.), Hôpital Croix-Rousse, Lyon; Neurology (L.K.), CHRU de Strasbourg; Neurology (L.D.), CH de Lorient, France; Neurology (N.L.), CHU de Liège/CHR la Citadelle, Liège, Belgique; Neurology (S.L.), Hôpital du Sacré-cœur de Montréal; Neurology (A.P.), CH de l'Université de Montréal, Québec, Canada; Internal Medicine (A.R., B.T.), Université Paris-Cité, Hôpital Cochin, AP-HP; Neurology (D.W.-L.), Hôpital Foch, Suresnes; Internal Medicine (M. Vautier), Hôpital Pitié-Salpêtrière, Paris; Neurology (S.C.), CH de Gonesse; Internal Medicine (A. Neel), CHU de Nantes; Université Caen-Normandie (O.M., R.S., E. Touzé, A. Nehme), Neurology, CHU de Caen-Normandie; Internal Medicine (T.P.), Hôpital Bichat; Internal Medicine (C.C.-O.), Hôpital Lariboisière; Neurology (E.J.), Hôpital Lariboisière, Paris; Neurology (M.S.), HIA Sainte-Anne, Toulon; Neurology (L.P.-M.), CHU de Clermont-Ferrand; Neurology (M.A.K.), CH Troyes; Neurology (F.L.), CH d'Orsay; Neurology, CH de Saint-Denis; Université de Franche-Comté (E.M.), LINC Laboratoire de Recherches Intégratives en Neurosciences et Psychologie Cognitive et CMRR, Service de Neurologie, CHU de Besançon; Neurology (Q.T., M. Graber), CHU de Dijon; Neurology (Y.B.), CH de Béziers; Neurology (G.B.-F., D. Ratiu), CH de Narbonne, France; Vasculitis Clinic (C.P.), Mount Sinai Hospital, University of Toronto, Ontario, Canada; and Université Caen-Normandie (H.D.B.), Internal Medicine, CHU de Caen-Normandie, France.; Papo T; From Neurology (L.G., O.O.-W., A.T.-B., D.W., P.V., G.Q.), CHU de Rouen; Radiology (G.B., F.B.), CHRU de Tours; Service des Urgences Neurovasculaires (J.C., S.A.), Hôpital Pitié-Salpêtrière, Sorbonne Université, AP-HP, Stare Team, iCRIN, Institut du Cerveau, Paris; Neurology (D. Renard, A.W., E. Thouvenot), CHU de Nîmes; Neurology (N.R., C.G., J.P.), CHU de Toulouse; Neurology (X.A., C.A., P.M.L.), CHU de Montpellier; Radiology (E.G.), CHU de Rouen; Neurology (P.K.), CHU de Luxembourg; Neurology (D.S., N.O., T.A.), CH de Perpignan; Neurology (M.F.), Hospices Civils de Lyon; Neurology (F.P.), CH de Versailles; Neurology (G.T., C.I.), GHU Paris; Geriatric Medicine (M. Verny), Hôpital Pitié-Salpêtrière, AP-HP, Paris; Neurology (L.H.), CHRU de Nancy; Neurology (M. Gaudron), CHRU de Tours; Neurology (S.V.), CHU de Rennes; Neurology (N.D., H.Z.), CHU de Lille; Neurology (B.G.), CHU de Nantes; Université Grenoble Alpes (O.D.), INSERM, U1216, Neurology, CHU de Grenoble Alpes, Grenoble Institute Neurosciences; Neurology (S.G.), CHU de Angers; UR2CA-URRIS (B.C.), Stroke Unit, CHU Pasteur 2, Nice Cote d'Azur University; Internal Medicine (M.L., S.B.), CHU de Nice; Internal Medicine (M.G.-V.), Hôpital Croix-Rousse, Lyon; Neurology (L.K.), CHRU de Strasbourg; Neurology (L.D.), CH de Lorient, France; Neurology (N.L.), CHU de Liège/CHR la Citadelle, Liège, Belgique; Neurology (S.L.), Hôpital du Sacré-cœur de Montréal; Neurology (A.P.), CH de l'Université de Montréal, Québec, Canada; Internal Medicine (A.R., B.T.), Université Paris-Cité, Hôpital Cochin, AP-HP; Neurology (D.W.-L.), Hôpital Foch, Suresnes; Internal Medicine (M. Vautier), Hôpital Pitié-Salpêtrière, Paris; Neurology (S.C.), CH de Gonesse; Internal Medicine (A. Neel), CHU de Nantes; Université Caen-Normandie (O.M., R.S., E. Touzé, A. Nehme), Neurology, CHU de Caen-Normandie; Internal Medicine (T.P.), Hôpital Bichat; Internal Medicine (C.C.-O.), Hôpital Lariboisière; Neurology (E.J.), Hôpital Lariboisière, Paris; Neurology (M.S.), HIA Sainte-Anne, Toulon; Neurology (L.P.-M.), CHU de Clermont-Ferrand; Neurology (M.A.K.), CH Troyes; Neurology (F.L.), CH d'Orsay; Neurology, CH de Saint-Denis; Université de Franche-Comté (E.M.), LINC Laboratoire de Recherches Intégratives en Neurosciences et Psychologie Cognitive et CMRR, Service de Neurologie, CHU de Besançon; Neurology (Q.T., M. Graber), CHU de Dijon; Neurology (Y.B.), CH de Béziers; Neurology (G.B.-F., D. Ratiu), CH de Narbonne, France; Vasculitis Clinic (C.P.), Mount Sinai Hospital, University of Toronto, Ontario, Canada; and Université Caen-Normandie (H.D.B.), Internal Medicine, CHU de Caen-Normandie, France.; Comarmond-Ortoli C; From Neurology (L.G., O.O.-W., A.T.-B., D.W., P.V., G.Q.), CHU de Rouen; Radiology (G.B., F.B.), CHRU de Tours; Service des Urgences Neurovasculaires (J.C., S.A.), Hôpital Pitié-Salpêtrière, Sorbonne Université, AP-HP, Stare Team, iCRIN, Institut du Cerveau, Paris; Neurology (D. Renard, A.W., E. Thouvenot), CHU de Nîmes; Neurology (N.R., C.G., J.P.), CHU de Toulouse; Neurology (X.A., C.A., P.M.L.), CHU de Montpellier; Radiology (E.G.), CHU de Rouen; Neurology (P.K.), CHU de Luxembourg; Neurology (D.S., N.O., T.A.), CH de Perpignan; Neurology (M.F.), Hospices Civils de Lyon; Neurology (F.P.), CH de Versailles; Neurology (G.T., C.I.), GHU Paris; Geriatric Medicine (M. Verny), Hôpital Pitié-Salpêtrière, AP-HP, Paris; Neurology (L.H.), CHRU de Nancy; Neurology (M. Gaudron), CHRU de Tours; Neurology (S.V.), CHU de Rennes; Neurology (N.D., H.Z.), CHU de Lille; Neurology (B.G.), CHU de Nantes; Université Grenoble Alpes (O.D.), INSERM, U1216, Neurology, CHU de Grenoble Alpes, Grenoble Institute Neurosciences; Neurology (S.G.), CHU de Angers; UR2CA-URRIS (B.C.), Stroke Unit, CHU Pasteur 2, Nice Cote d'Azur University; Internal Medicine (M.L., S.B.), CHU de Nice; Internal Medicine (M.G.-V.), Hôpital Croix-Rousse, Lyon; Neurology (L.K.), CHRU de Strasbourg; Neurology (L.D.), CH de Lorient, France; Neurology (N.L.), CHU de Liège/CHR la Citadelle, Liège, Belgique; Neurology (S.L.), Hôpital du Sacré-cœur de Montréal; Neurology (A.P.), CH de l'Université de Montréal, Québec, Canada; Internal Medicine (A.R., B.T.), Université Paris-Cité, Hôpital Cochin, AP-HP; Neurology (D.W.-L.), Hôpital Foch, Suresnes; Internal Medicine (M. Vautier), Hôpital Pitié-Salpêtrière, Paris; Neurology (S.C.), CH de Gonesse; Internal Medicine (A. Neel), CHU de Nantes; Université Caen-Normandie (O.M., R.S., E. Touzé, A. Nehme), Neurology, CHU de Caen-Normandie; Internal Medicine (T.P.), Hôpital Bichat; Internal Medicine (C.C.-O.), Hôpital Lariboisière; Neurology (E.J.), Hôpital Lariboisière, Paris; Neurology (M.S.), HIA Sainte-Anne, Toulon; Neurology (L.P.-M.), CHU de Clermont-Ferrand; Neurology (M.A.K.), CH Troyes; Neurology (F.L.), CH d'Orsay; Neurology, CH de Saint-Denis; Université de Franche-Comté (E.M.), LINC Laboratoire de Recherches Intégratives en Neurosciences et Psychologie Cognitive et CMRR, Service de Neurologie, CHU de Besançon; Neurology (Q.T., M. Graber), CHU de Dijon; Neurology (Y.B.), CH de Béziers; Neurology (G.B.-F., D. Ratiu), CH de Narbonne, France; Vasculitis Clinic (C.P.), Mount Sinai Hospital, University of Toronto, Ontario, Canada; and Université Caen-Normandie (H.D.B.), Internal Medicine, CHU de Caen-Normandie, France.; Jouvent E; From Neurology (L.G., O.O.-W., A.T.-B., D.W., P.V., G.Q.), CHU de Rouen; Radiology (G.B., F.B.), CHRU de Tours; Service des Urgences Neurovasculaires (J.C., S.A.), Hôpital Pitié-Salpêtrière, Sorbonne Université, AP-HP, Stare Team, iCRIN, Institut du Cerveau, Paris; Neurology (D. Renard, A.W., E. Thouvenot), CHU de Nîmes; Neurology (N.R., C.G., J.P.), CHU de Toulouse; Neurology (X.A., C.A., P.M.L.), CHU de Montpellier; Radiology (E.G.), CHU de Rouen; Neurology (P.K.), CHU de Luxembourg; Neurology (D.S., N.O., T.A.), CH de Perpignan; Neurology (M.F.), Hospices Civils de Lyon; Neurology (F.P.), CH de Versailles; Neurology (G.T., C.I.), GHU Paris; Geriatric Medicine (M. Verny), Hôpital Pitié-Salpêtrière, AP-HP, Paris; Neurology (L.H.), CHRU de Nancy; Neurology (M. Gaudron), CHRU de Tours; Neurology (S.V.), CHU de Rennes; Neurology (N.D., H.Z.), CHU de Lille; Neurology (B.G.), CHU de Nantes; Université Grenoble Alpes (O.D.), INSERM, U1216, Neurology, CHU de Grenoble Alpes, Grenoble Institute Neurosciences; Neurology (S.G.), CHU de Angers; UR2CA-URRIS (B.C.), Stroke Unit, CHU Pasteur 2, Nice Cote d'Azur University; Internal Medicine (M.L., S.B.), CHU de Nice; Internal Medicine (M.G.-V.), Hôpital Croix-Rousse, Lyon; Neurology (L.K.), CHRU de Strasbourg; Neurology (L.D.), CH de Lorient, France; Neurology (N.L.), CHU de Liège/CHR la Citadelle, Liège, Belgique; Neurology (S.L.), Hôpital du Sacré-cœur de Montréal; Neurology (A.P.), CH de l'Université de Montréal, Québec, Canada; Internal Medicine (A.R., B.T.), Université Paris-Cité, Hôpital Cochin, AP-HP; Neurology (D.W.-L.), Hôpital Foch, Suresnes; Internal Medicine (M. Vautier), Hôpital Pitié-Salpêtrière, Paris; Neurology (S.C.), CH de Gonesse; Internal Medicine (A. Neel), CHU de Nantes; Université Caen-Normandie (O.M., R.S., E. Touzé, A. Nehme), Neurology, CHU de Caen-Normandie; Internal Medicine (T.P.), Hôpital Bichat; Internal Medicine (C.C.-O.), Hôpital Lariboisière; Neurology (E.J.), Hôpital Lariboisière, Paris; Neurology (M.S.), HIA Sainte-Anne, Toulon; Neurology (L.P.-M.), CHU de Clermont-Ferrand; Neurology (M.A.K.), CH Troyes; Neurology (F.L.), CH d'Orsay; Neurology, CH de Saint-Denis; Université de Franche-Comté (E.M.), LINC Laboratoire de Recherches Intégratives en Neurosciences et Psychologie Cognitive et CMRR, Service de Neurologie, CHU de Besançon; Neurology (Q.T., M. Graber), CHU de Dijon; Neurology (Y.B.), CH de Béziers; Neurology (G.B.-F., D. Ratiu), CH de Narbonne, France; Vasculitis Clinic (C.P.), Mount Sinai Hospital, University of Toronto, Ontario, Canada; and Université Caen-Normandie (H.D.B.), Internal Medicine, CHU de Caen-Normandie, France.; Subréville M; From Neurology (L.G., O.O.-W., A.T.-B., D.W., P.V., G.Q.), CHU de Rouen; Radiology (G.B., F.B.), CHRU de Tours; Service des Urgences Neurovasculaires (J.C., S.A.), Hôpital Pitié-Salpêtrière, Sorbonne Université, AP-HP, Stare Team, iCRIN, Institut du Cerveau, Paris; Neurology (D. Renard, A.W., E. Thouvenot), CHU de Nîmes; Neurology (N.R., C.G., J.P.), CHU de Toulouse; Neurology (X.A., C.A., P.M.L.), CHU de Montpellier; Radiology (E.G.), CHU de Rouen; Neurology (P.K.), CHU de Luxembourg; Neurology (D.S., N.O., T.A.), CH de Perpignan; Neurology (M.F.), Hospices Civils de Lyon; Neurology (F.P.), CH de Versailles; Neurology (G.T., C.I.), GHU Paris; Geriatric Medicine (M. Verny), Hôpital Pitié-Salpêtrière, AP-HP, Paris; Neurology (L.H.), CHRU de Nancy; Neurology (M. Gaudron), CHRU de Tours; Neurology (S.V.), CHU de Rennes; Neurology (N.D., H.Z.), CHU de Lille; Neurology (B.G.), CHU de Nantes; Université Grenoble Alpes (O.D.), INSERM, U1216, Neurology, CHU de Grenoble Alpes, Grenoble Institute Neurosciences; Neurology (S.G.), CHU de Angers; UR2CA-URRIS (B.C.), Stroke Unit, CHU Pasteur 2, Nice Cote d'Azur University; Internal Medicine (M.L., S.B.), CHU de Nice; Internal Medicine (M.G.-V.), Hôpital Croix-Rousse, Lyon; Neurology (L.K.), CHRU de Strasbourg; Neurology (L.D.), CH de Lorient, France; Neurology (N.L.), CHU de Liège/CHR la Citadelle, Liège, Belgique; Neurology (S.L.), Hôpital du Sacré-cœur de Montréal; Neurology (A.P.), CH de l'Université de Montréal, Québec, Canada; Internal Medicine (A.R., B.T.), Université Paris-Cité, Hôpital Cochin, AP-HP; Neurology (D.W.-L.), Hôpital Foch, Suresnes; Internal Medicine (M. Vautier), Hôpital Pitié-Salpêtrière, Paris; Neurology (S.C.), CH de Gonesse; Internal Medicine (A. Neel), CHU de Nantes; Université Caen-Normandie (O.M., R.S., E. Touzé, A. Nehme), Neurology, CHU de Caen-Normandie; Internal Medicine (T.P.), Hôpital Bichat; Internal Medicine (C.C.-O.), Hôpital Lariboisière; Neurology (E.J.), Hôpital Lariboisière, Paris; Neurology (M.S.), HIA Sainte-Anne, Toulon; Neurology (L.P.-M.), CHU de Clermont-Ferrand; Neurology (M.A.K.), CH Troyes; Neurology (F.L.), CH d'Orsay; Neurology, CH de Saint-Denis; Université de Franche-Comté (E.M.), LINC Laboratoire de Recherches Intégratives en Neurosciences et Psychologie Cognitive et CMRR, Service de Neurologie, CHU de Besançon; Neurology (Q.T., M. Graber), CHU de Dijon; Neurology (Y.B.), CH de Béziers; Neurology (G.B.-F., D. Ratiu), CH de Narbonne, France; Vasculitis Clinic (C.P.), Mount Sinai Hospital, University of Toronto, Ontario, Canada; and Université Caen-Normandie (H.D.B.), Internal Medicine, CHU de Caen-Normandie, France.; Poncet-Megemont L; From Neurology (L.G., O.O.-W., A.T.-B., D.W., P.V., G.Q.), CHU de Rouen; Radiology (G.B., F.B.), CHRU de Tours; Service des Urgences Neurovasculaires (J.C., S.A.), Hôpital Pitié-Salpêtrière, Sorbonne Université, AP-HP, Stare Team, iCRIN, Institut du Cerveau, Paris; Neurology (D. Renard, A.W., E. Thouvenot), CHU de Nîmes; Neurology (N.R., C.G., J.P.), CHU de Toulouse; Neurology (X.A., C.A., P.M.L.), CHU de Montpellier; Radiology (E.G.), CHU de Rouen; Neurology (P.K.), CHU de Luxembourg; Neurology (D.S., N.O., T.A.), CH de Perpignan; Neurology (M.F.), Hospices Civils de Lyon; Neurology (F.P.), CH de Versailles; Neurology (G.T., C.I.), GHU Paris; Geriatric Medicine (M. Verny), Hôpital Pitié-Salpêtrière, AP-HP, Paris; Neurology (L.H.), CHRU de Nancy; Neurology (M. Gaudron), CHRU de Tours; Neurology (S.V.), CHU de Rennes; Neurology (N.D., H.Z.), CHU de Lille; Neurology (B.G.), CHU de Nantes; Université Grenoble Alpes (O.D.), INSERM, U1216, Neurology, CHU de Grenoble Alpes, Grenoble Institute Neurosciences; Neurology (S.G.), CHU de Angers; UR2CA-URRIS (B.C.), Stroke Unit, CHU Pasteur 2, Nice Cote d'Azur University; Internal Medicine (M.L., S.B.), CHU de Nice; Internal Medicine (M.G.-V.), Hôpital Croix-Rousse, Lyon; Neurology (L.K.), CHRU de Strasbourg; Neurology (L.D.), CH de Lorient, France; Neurology (N.L.), CHU de Liège/CHR la Citadelle, Liège, Belgique; Neurology (S.L.), Hôpital du Sacré-cœur de Montréal; Neurology (A.P.), CH de l'Université de Montréal, Québec, Canada; Internal Medicine (A.R., B.T.), Université Paris-Cité, Hôpital Cochin, AP-HP; Neurology (D.W.-L.), Hôpital Foch, Suresnes; Internal Medicine (M. Vautier), Hôpital Pitié-Salpêtrière, Paris; Neurology (S.C.), CH de Gonesse; Internal Medicine (A. Neel), CHU de Nantes; Université Caen-Normandie (O.M., R.S., E. Touzé, A. Nehme), Neurology, CHU de Caen-Normandie; Internal Medicine (T.P.), Hôpital Bichat; Internal Medicine (C.C.-O.), Hôpital Lariboisière; Neurology (E.J.), Hôpital Lariboisière, Paris; Neurology (M.S.), HIA Sainte-Anne, Toulon; Neurology (L.P.-M.), CHU de Clermont-Ferrand; Neurology (M.A.K.), CH Troyes; Neurology (F.L.), CH d'Orsay; Neurology, CH de Saint-Denis; Université de Franche-Comté (E.M.), LINC Laboratoire de Recherches Intégratives en Neurosciences et Psychologie Cognitive et CMRR, Service de Neurologie, CHU de Besançon; Neurology (Q.T., M. Graber), CHU de Dijon; Neurology (Y.B.), CH de Béziers; Neurology (G.B.-F., D. Ratiu), CH de Narbonne, France; Vasculitis Clinic (C.P.), Mount Sinai Hospital, University of Toronto, Ontario, Canada; and Université Caen-Normandie (H.D.B.), Internal Medicine, CHU de Caen-Normandie, France.; Khatib MA; From Neurology (L.G., O.O.-W., A.T.-B., D.W., P.V., G.Q.), CHU de Rouen; Radiology (G.B., F.B.), CHRU de Tours; Service des Urgences Neurovasculaires (J.C., S.A.), Hôpital Pitié-Salpêtrière, Sorbonne Université, AP-HP, Stare Team, iCRIN, Institut du Cerveau, Paris; Neurology (D. Renard, A.W., E. Thouvenot), CHU de Nîmes; Neurology (N.R., C.G., J.P.), CHU de Toulouse; Neurology (X.A., C.A., P.M.L.), CHU de Montpellier; Radiology (E.G.), CHU de Rouen; Neurology (P.K.), CHU de Luxembourg; Neurology (D.S., N.O., T.A.), CH de Perpignan; Neurology (M.F.), Hospices Civils de Lyon; Neurology (F.P.), CH de Versailles; Neurology (G.T., C.I.), GHU Paris; Geriatric Medicine (M. Verny), Hôpital Pitié-Salpêtrière, AP-HP, Paris; Neurology (L.H.), CHRU de Nancy; Neurology (M. Gaudron), CHRU de Tours; Neurology (S.V.), CHU de Rennes; Neurology (N.D., H.Z.), CHU de Lille; Neurology (B.G.), CHU de Nantes; Université Grenoble Alpes (O.D.), INSERM, U1216, Neurology, CHU de Grenoble Alpes, Grenoble Institute Neurosciences; Neurology (S.G.), CHU de Angers; UR2CA-URRIS (B.C.), Stroke Unit, CHU Pasteur 2, Nice Cote d'Azur University; Internal Medicine (M.L., S.B.), CHU de Nice; Internal Medicine (M.G.-V.), Hôpital Croix-Rousse, Lyon; Neurology (L.K.), CHRU de Strasbourg; Neurology (L.D.), CH de Lorient, France; Neurology (N.L.), CHU de Liège/CHR la Citadelle, Liège, Belgique; Neurology (S.L.), Hôpital du Sacré-cœur de Montréal; Neurology (A.P.), CH de l'Université de Montréal, Québec, Canada; Internal Medicine (A.R., B.T.), Université Paris-Cité, Hôpital Cochin, AP-HP; Neurology (D.W.-L.), Hôpital Foch, Suresnes; Internal Medicine (M. Vautier), Hôpital Pitié-Salpêtrière, Paris; Neurology (S.C.), CH de Gonesse; Internal Medicine (A. Neel), CHU de Nantes; Université Caen-Normandie (O.M., R.S., E. Touzé, A. Nehme), Neurology, CHU de Caen-Normandie; Internal Medicine (T.P.), Hôpital Bichat; Internal Medicine (C.C.-O.), Hôpital Lariboisière; Neurology (E.J.), Hôpital Lariboisière, Paris; Neurology (M.S.), HIA Sainte-Anne, Toulon; Neurology (L.P.-M.), CHU de Clermont-Ferrand; Neurology (M.A.K.), CH Troyes; Neurology (F.L.), CH d'Orsay; Neurology, CH de Saint-Denis; Université de Franche-Comté (E.M.), LINC Laboratoire de Recherches Intégratives en Neurosciences et Psychologie Cognitive et CMRR, Service de Neurologie, CHU de Besançon; Neurology (Q.T., M. Graber), CHU de Dijon; Neurology (Y.B.), CH de Béziers; Neurology (G.B.-F., D. Ratiu), CH de Narbonne, France; Vasculitis Clinic (C.P.), Mount Sinai Hospital, University of Toronto, Ontario, Canada; and Université Caen-Normandie (H.D.B.), Internal Medicine, CHU de Caen-Normandie, France.; Lun F; From Neurology (L.G., O.O.-W., A.T.-B., D.W., P.V., G.Q.), CHU de Rouen; Radiology (G.B., F.B.), CHRU de Tours; Service des Urgences Neurovasculaires (J.C., S.A.), Hôpital Pitié-Salpêtrière, Sorbonne Université, AP-HP, Stare Team, iCRIN, Institut du Cerveau, Paris; Neurology (D. Renard, A.W., E. Thouvenot), CHU de Nîmes; Neurology (N.R., C.G., J.P.), CHU de Toulouse; Neurology (X.A., C.A., P.M.L.), CHU de Montpellier; Radiology (E.G.), CHU de Rouen; Neurology (P.K.), CHU de Luxembourg; Neurology (D.S., N.O., T.A.), CH de Perpignan; Neurology (M.F.), Hospices Civils de Lyon; Neurology (F.P.), CH de Versailles; Neurology (G.T., C.I.), GHU Paris; Geriatric Medicine (M. Verny), Hôpital Pitié-Salpêtrière, AP-HP, Paris; Neurology (L.H.), CHRU de Nancy; Neurology (M. Gaudron), CHRU de Tours; Neurology (S.V.), CHU de Rennes; Neurology (N.D., H.Z.), CHU de Lille; Neurology (B.G.), CHU de Nantes; Université Grenoble Alpes (O.D.), INSERM, U1216, Neurology, CHU de Grenoble Alpes, Grenoble Institute Neurosciences; Neurology (S.G.), CHU de Angers; UR2CA-URRIS (B.C.), Stroke Unit, CHU Pasteur 2, Nice Cote d'Azur University; Internal Medicine (M.L., S.B.), CHU de Nice; Internal Medicine (M.G.-V.), Hôpital Croix-Rousse, Lyon; Neurology (L.K.), CHRU de Strasbourg; Neurology (L.D.), CH de Lorient, France; Neurology (N.L.), CHU de Liège/CHR la Citadelle, Liège, Belgique; Neurology (S.L.), Hôpital du Sacré-cœur de Montréal; Neurology (A.P.), CH de l'Université de Montréal, Québec, Canada; Internal Medicine (A.R., B.T.), Université Paris-Cité, Hôpital Cochin, AP-HP; Neurology (D.W.-L.), Hôpital Foch, Suresnes; Internal Medicine (M. Vautier), Hôpital Pitié-Salpêtrière, Paris; Neurology (S.C.), CH de Gonesse; Internal Medicine (A. Neel), CHU de Nantes; Université Caen-Normandie (O.M., R.S., E. Touzé, A. Nehme), Neurology, CHU de Caen-Normandie; Internal Medicine (T.P.), Hôpital Bichat; Internal Medicine (C.C.-O.), Hôpital Lariboisière; Neurology (E.J.), Hôpital Lariboisière, Paris; Neurology (M.S.), HIA Sainte-Anne, Toulon; Neurology (L.P.-M.), CHU de Clermont-Ferrand; Neurology (M.A.K.), CH Troyes; Neurology (F.L.), CH d'Orsay; Neurology, CH de Saint-Denis; Université de Franche-Comté (E.M.), LINC Laboratoire de Recherches Intégratives en Neurosciences et Psychologie Cognitive et CMRR, Service de Neurologie, CHU de Besançon; Neurology (Q.T., M. Graber), CHU de Dijon; Neurology (Y.B.), CH de Béziers; Neurology (G.B.-F., D. Ratiu), CH de Narbonne, France; Vasculitis Clinic (C.P.), Mount Sinai Hospital, University of Toronto, Ontario, Canada; and Université Caen-Normandie (H.D.B.), Internal Medicine, CHU de Caen-Normandie, France.; Henry C; From Neurology (L.G., O.O.-W., A.T.-B., D.W., P.V., G.Q.), CHU de Rouen; Radiology (G.B., F.B.), CHRU de Tours; Service des Urgences Neurovasculaires (J.C., S.A.), Hôpital Pitié-Salpêtrière, Sorbonne Université, AP-HP, Stare Team, iCRIN, Institut du Cerveau, Paris; Neurology (D. Renard, A.W., E. Thouvenot), CHU de Nîmes; Neurology (N.R., C.G., J.P.), CHU de Toulouse; Neurology (X.A., C.A., P.M.L.), CHU de Montpellier; Radiology (E.G.), CHU de Rouen; Neurology (P.K.), CHU de Luxembourg; Neurology (D.S., N.O., T.A.), CH de Perpignan; Neurology (M.F.), Hospices Civils de Lyon; Neurology (F.P.), CH de Versailles; Neurology (G.T., C.I.), GHU Paris; Geriatric Medicine (M. Verny), Hôpital Pitié-Salpêtrière, AP-HP, Paris; Neurology (L.H.), CHRU de Nancy; Neurology (M. Gaudron), CHRU de Tours; Neurology (S.V.), CHU de Rennes; Neurology (N.D., H.Z.), CHU de Lille; Neurology (B.G.), CHU de Nantes; Université Grenoble Alpes (O.D.), INSERM, U1216, Neurology, CHU de Grenoble Alpes, Grenoble Institute Neurosciences; Neurology (S.G.), CHU de Angers; UR2CA-URRIS (B.C.), Stroke Unit, CHU Pasteur 2, Nice Cote d'Azur University; Internal Medicine (M.L., S.B.), CHU de Nice; Internal Medicine (M.G.-V.), Hôpital Croix-Rousse, Lyon; Neurology (L.K.), CHRU de Strasbourg; Neurology (L.D.), CH de Lorient, France; Neurology (N.L.), CHU de Liège/CHR la Citadelle, Liège, Belgique; Neurology (S.L.), Hôpital du Sacré-cœur de Montréal; Neurology (A.P.), CH de l'Université de Montréal, Québec, Canada; Internal Medicine (A.R., B.T.), Université Paris-Cité, Hôpital Cochin, AP-HP; Neurology (D.W.-L.), Hôpital Foch, Suresnes; Internal Medicine (M. Vautier), Hôpital Pitié-Salpêtrière, Paris; Neurology (S.C.), CH de Gonesse; Internal Medicine (A. Neel), CHU de Nantes; Université Caen-Normandie (O.M., R.S., E. Touzé, A. Nehme), Neurology, CHU de Caen-Normandie; Internal Medicine (T.P.), Hôpital Bichat; Internal Medicine (C.C.-O.), Hôpital Lariboisière; Neurology (E.J.), Hôpital Lariboisière, Paris; Neurology (M.S.), HIA Sainte-Anne, Toulon; Neurology (L.P.-M.), CHU de Clermont-Ferrand; Neurology (M.A.K.), CH Troyes; Neurology (F.L.), CH d'Orsay; Neurology, CH de Saint-Denis; Université de Franche-Comté (E.M.), LINC Laboratoire de Recherches Intégratives en Neurosciences et Psychologie Cognitive et CMRR, Service de Neurologie, CHU de Besançon; Neurology (Q.T., M. Graber), CHU de Dijon; Neurology (Y.B.), CH de Béziers; Neurology (G.B.-F., D. Ratiu), CH de Narbonne, France; Vasculitis Clinic (C.P.), Mount Sinai Hospital, University of Toronto, Ontario, Canada; and Université Caen-Normandie (H.D.B.), Internal Medicine, CHU de Caen-Normandie, France.; Magnin E; From Neurology (L.G., O.O.-W., A.T.-B., D.W., P.V., G.Q.), CHU de Rouen; Radiology (G.B., F.B.), CHRU de Tours; Service des Urgences Neurovasculaires (J.C., S.A.), Hôpital Pitié-Salpêtrière, Sorbonne Université, AP-HP, Stare Team, iCRIN, Institut du Cerveau, Paris; Neurology (D. Renard, A.W., E. Thouvenot), CHU de Nîmes; Neurology (N.R., C.G., J.P.), CHU de Toulouse; Neurology (X.A., C.A., P.M.L.), CHU de Montpellier; Radiology (E.G.), CHU de Rouen; Neurology (P.K.), CHU de Luxembourg; Neurology (D.S., N.O., T.A.), CH de Perpignan; Neurology (M.F.), Hospices Civils de Lyon; Neurology (F.P.), CH de Versailles; Neurology (G.T., C.I.), GHU Paris; Geriatric Medicine (M. Verny), Hôpital Pitié-Salpêtrière, AP-HP, Paris; Neurology (L.H.), CHRU de Nancy; Neurology (M. Gaudron), CHRU de Tours; Neurology (S.V.), CHU de Rennes; Neurology (N.D., H.Z.), CHU de Lille; Neurology (B.G.), CHU de Nantes; Université Grenoble Alpes (O.D.), INSERM, U1216, Neurology, CHU de Grenoble Alpes, Grenoble Institute Neurosciences; Neurology (S.G.), CHU de Angers; UR2CA-URRIS (B.C.), Stroke Unit, CHU Pasteur 2, Nice Cote d'Azur University; Internal Medicine (M.L., S.B.), CHU de Nice; Internal Medicine (M.G.-V.), Hôpital Croix-Rousse, Lyon; Neurology (L.K.), CHRU de Strasbourg; Neurology (L.D.), CH de Lorient, France; Neurology (N.L.), CHU de Liège/CHR la Citadelle, Liège, Belgique; Neurology (S.L.), Hôpital du Sacré-cœur de Montréal; Neurology (A.P.), CH de l'Université de Montréal, Québec, Canada; Internal Medicine (A.R., B.T.), Université Paris-Cité, Hôpital Cochin, AP-HP; Neurology (D.W.-L.), Hôpital Foch, Suresnes; Internal Medicine (M. Vautier), Hôpital Pitié-Salpêtrière, Paris; Neurology (S.C.), CH de Gonesse; Internal Medicine (A. Neel), CHU de Nantes; Université Caen-Normandie (O.M., R.S., E. Touzé, A. Nehme), Neurology, CHU de Caen-Normandie; Internal Medicine (T.P.), Hôpital Bichat; Internal Medicine (C.C.-O.), Hôpital Lariboisière; Neurology (E.J.), Hôpital Lariboisière, Paris; Neurology (M.S.), HIA Sainte-Anne, Toulon; Neurology (L.P.-M.), CHU de Clermont-Ferrand; Neurology (M.A.K.), CH Troyes; Neurology (F.L.), CH d'Orsay; Neurology, CH de Saint-Denis; Université de Franche-Comté (E.M.), LINC Laboratoire de Recherches Intégratives en Neurosciences et Psychologie Cognitive et CMRR, Service de Neurologie, CHU de Besançon; Neurology (Q.T., M. Graber), CHU de Dijon; Neurology (Y.B.), CH de Béziers; Neurology (G.B.-F., D. Ratiu), CH de Narbonne, France; Vasculitis Clinic (C.P.), Mount Sinai Hospital, University of Toronto, Ontario, Canada; and Université Caen-Normandie (H.D.B.), Internal Medicine, CHU de Caen-Normandie, France.; Thomas Q; From Neurology (L.G., O.O.-W., A.T.-B., D.W., P.V., G.Q.), CHU de Rouen; Radiology (G.B., F.B.), CHRU de Tours; Service des Urgences Neurovasculaires (J.C., S.A.), Hôpital Pitié-Salpêtrière, Sorbonne Université, AP-HP, Stare Team, iCRIN, Institut du Cerveau, Paris; Neurology (D. Renard, A.W., E. Thouvenot), CHU de Nîmes; Neurology (N.R., C.G., J.P.), CHU de Toulouse; Neurology (X.A., C.A., P.M.L.), CHU de Montpellier; Radiology (E.G.), CHU de Rouen; Neurology (P.K.), CHU de Luxembourg; Neurology (D.S., N.O., T.A.), CH de Perpignan; Neurology (M.F.), Hospices Civils de Lyon; Neurology (F.P.), CH de Versailles; Neurology (G.T., C.I.), GHU Paris; Geriatric Medicine (M. Verny), Hôpital Pitié-Salpêtrière, AP-HP, Paris; Neurology (L.H.), CHRU de Nancy; Neurology (M. Gaudron), CHRU de Tours; Neurology (S.V.), CHU de Rennes; Neurology (N.D., H.Z.), CHU de Lille; Neurology (B.G.), CHU de Nantes; Université Grenoble Alpes (O.D.), INSERM, U1216, Neurology, CHU de Grenoble Alpes, Grenoble Institute Neurosciences; Neurology (S.G.), CHU de Angers; UR2CA-URRIS (B.C.), Stroke Unit, CHU Pasteur 2, Nice Cote d'Azur University; Internal Medicine (M.L., S.B.), CHU de Nice; Internal Medicine (M.G.-V.), Hôpital Croix-Rousse, Lyon; Neurology (L.K.), CHRU de Strasbourg; Neurology (L.D.), CH de Lorient, France; Neurology (N.L.), CHU de Liège/CHR la Citadelle, Liège, Belgique; Neurology (S.L.), Hôpital du Sacré-cœur de Montréal; Neurology (A.P.), CH de l'Université de Montréal, Québec, Canada; Internal Medicine (A.R., B.T.), Université Paris-Cité, Hôpital Cochin, AP-HP; Neurology (D.W.-L.), Hôpital Foch, Suresnes; Internal Medicine (M. Vautier), Hôpital Pitié-Salpêtrière, Paris; Neurology (S.C.), CH de Gonesse; Internal Medicine (A. Neel), CHU de Nantes; Université Caen-Normandie (O.M., R.S., E. Touzé, A. Nehme), Neurology, CHU de Caen-Normandie; Internal Medicine (T.P.), Hôpital Bichat; Internal Medicine (C.C.-O.), Hôpital Lariboisière; Neurology (E.J.), Hôpital Lariboisière, Paris; Neurology (M.S.), HIA Sainte-Anne, Toulon; Neurology (L.P.-M.), CHU de Clermont-Ferrand; Neurology (M.A.K.), CH Troyes; Neurology (F.L.), CH d'Orsay; Neurology, CH de Saint-Denis; Université de Franche-Comté (E.M.), LINC Laboratoire de Recherches Intégratives en Neurosciences et Psychologie Cognitive et CMRR, Service de Neurologie, CHU de Besançon; Neurology (Q.T., M. Graber), CHU de Dijon; Neurology (Y.B.), CH de Béziers; Neurology (G.B.-F., D. Ratiu), CH de Narbonne, France; Vasculitis Clinic (C.P.), Mount Sinai Hospital, University of Toronto, Ontario, Canada; and Université Caen-Normandie (H.D.B.), Internal Medicine, CHU de Caen-Normandie, France.; Graber M; From Neurology (L.G., O.O.-W., A.T.-B., D.W., P.V., G.Q.), CHU de Rouen; Radiology (G.B., F.B.), CHRU de Tours; Service des Urgences Neurovasculaires (J.C., S.A.), Hôpital Pitié-Salpêtrière, Sorbonne Université, AP-HP, Stare Team, iCRIN, Institut du Cerveau, Paris; Neurology (D. Renard, A.W., E. Thouvenot), CHU de Nîmes; Neurology (N.R., C.G., J.P.), CHU de Toulouse; Neurology (X.A., C.A., P.M.L.), CHU de Montpellier; Radiology (E.G.), CHU de Rouen; Neurology (P.K.), CHU de Luxembourg; Neurology (D.S., N.O., T.A.), CH de Perpignan; Neurology (M.F.), Hospices Civils de Lyon; Neurology (F.P.), CH de Versailles; Neurology (G.T., C.I.), GHU Paris; Geriatric Medicine (M. Verny), Hôpital Pitié-Salpêtrière, AP-HP, Paris; Neurology (L.H.), CHRU de Nancy; Neurology (M. Gaudron), CHRU de Tours; Neurology (S.V.), CHU de Rennes; Neurology (N.D., H.Z.), CHU de Lille; Neurology (B.G.), CHU de Nantes; Université Grenoble Alpes (O.D.), INSERM, U1216, Neurology, CHU de Grenoble Alpes, Grenoble Institute Neurosciences; Neurology (S.G.), CHU de Angers; UR2CA-URRIS (B.C.), Stroke Unit, CHU Pasteur 2, Nice Cote d'Azur University; Internal Medicine (M.L., S.B.), CHU de Nice; Internal Medicine (M.G.-V.), Hôpital Croix-Rousse, Lyon; Neurology (L.K.), CHRU de Strasbourg; Neurology (L.D.), CH de Lorient, France; Neurology (N.L.), CHU de Liège/CHR la Citadelle, Liège, Belgique; Neurology (S.L.), Hôpital du Sacré-cœur de Montréal; Neurology (A.P.), CH de l'Université de Montréal, Québec, Canada; Internal Medicine (A.R., B.T.), Université Paris-Cité, Hôpital Cochin, AP-HP; Neurology (D.W.-L.), Hôpital Foch, Suresnes; Internal Medicine (M. Vautier), Hôpital Pitié-Salpêtrière, Paris; Neurology (S.C.), CH de Gonesse; Internal Medicine (A. Neel), CHU de Nantes; Université Caen-Normandie (O.M., R.S., E. Touzé, A. Nehme), Neurology, CHU de Caen-Normandie; Internal Medicine (T.P.), Hôpital Bichat; Internal Medicine (C.C.-O.), Hôpital Lariboisière; Neurology (E.J.), Hôpital Lariboisière, Paris; Neurology (M.S.), HIA Sainte-Anne, Toulon; Neurology (L.P.-M.), CHU de Clermont-Ferrand; Neurology (M.A.K.), CH Troyes; Neurology (F.L.), CH d'Orsay; Neurology, CH de Saint-Denis; Université de Franche-Comté (E.M.), LINC Laboratoire de Recherches Intégratives en Neurosciences et Psychologie Cognitive et CMRR, Service de Neurologie, CHU de Besançon; Neurology (Q.T., M. Graber), CHU de Dijon; Neurology (Y.B.), CH de Béziers; Neurology (G.B.-F., D. Ratiu), CH de Narbonne, France; Vasculitis Clinic (C.P.), Mount Sinai Hospital, University of Toronto, Ontario, Canada; and Université Caen-Normandie (H.D.B.), Internal Medicine, CHU de Caen-Normandie, France.; Boukriche Y; From Neurology (L.G., O.O.-W., A.T.-B., D.W., P.V., G.Q.), CHU de Rouen; Radiology (G.B., F.B.), CHRU de Tours; Service des Urgences Neurovasculaires (J.C., S.A.), Hôpital Pitié-Salpêtrière, Sorbonne Université, AP-HP, Stare Team, iCRIN, Institut du Cerveau, Paris; Neurology (D. Renard, A.W., E. Thouvenot), CHU de Nîmes; Neurology (N.R., C.G., J.P.), CHU de Toulouse; Neurology (X.A., C.A., P.M.L.), CHU de Montpellier; Radiology (E.G.), CHU de Rouen; Neurology (P.K.), CHU de Luxembourg; Neurology (D.S., N.O., T.A.), CH de Perpignan; Neurology (M.F.), Hospices Civils de Lyon; Neurology (F.P.), CH de Versailles; Neurology (G.T., C.I.), GHU Paris; Geriatric Medicine (M. Verny), Hôpital Pitié-Salpêtrière, AP-HP, Paris; Neurology (L.H.), CHRU de Nancy; Neurology (M. Gaudron), CHRU de Tours; Neurology (S.V.), CHU de Rennes; Neurology (N.D., H.Z.), CHU de Lille; Neurology (B.G.), CHU de Nantes; Université Grenoble Alpes (O.D.), INSERM, U1216, Neurology, CHU de Grenoble Alpes, Grenoble Institute Neurosciences; Neurology (S.G.), CHU de Angers; UR2CA-URRIS (B.C.), Stroke Unit, CHU Pasteur 2, Nice Cote d'Azur University; Internal Medicine (M.L., S.B.), CHU de Nice; Internal Medicine (M.G.-V.), Hôpital Croix-Rousse, Lyon; Neurology (L.K.), CHRU de Strasbourg; Neurology (L.D.), CH de Lorient, France; Neurology (N.L.), CHU de Liège/CHR la Citadelle, Liège, Belgique; Neurology (S.L.), Hôpital du Sacré-cœur de Montréal; Neurology (A.P.), CH de l'Université de Montréal, Québec, Canada; Internal Medicine (A.R., B.T.), Université Paris-Cité, Hôpital Cochin, AP-HP; Neurology (D.W.-L.), Hôpital Foch, Suresnes; Internal Medicine (M. Vautier), Hôpital Pitié-Salpêtrière, Paris; Neurology (S.C.), CH de Gonesse; Internal Medicine (A. Neel), CHU de Nantes; Université Caen-Normandie (O.M., R.S., E. Touzé, A. Nehme), Neurology, CHU de Caen-Normandie; Internal Medicine (T.P.), Hôpital Bichat; Internal Medicine (C.C.-O.), Hôpital Lariboisière; Neurology (E.J.), Hôpital Lariboisière, Paris; Neurology (M.S.), HIA Sainte-Anne, Toulon; Neurology (L.P.-M.), CHU de Clermont-Ferrand; Neurology (M.A.K.), CH Troyes; Neurology (F.L.), CH d'Orsay; Neurology, CH de Saint-Denis; Université de Franche-Comté (E.M.), LINC Laboratoire de Recherches Intégratives en Neurosciences et Psychologie Cognitive et CMRR, Service de Neurologie, CHU de Besançon; Neurology (Q.T., M. Graber), CHU de Dijon; Neurology (Y.B.), CH de Béziers; Neurology (G.B.-F., D. Ratiu), CH de Narbonne, France; Vasculitis Clinic (C.P.), Mount Sinai Hospital, University of Toronto, Ontario, Canada; and Université Caen-Normandie (H.D.B.), Internal Medicine, CHU de Caen-Normandie, France.; Blanchet-Fourcade G; From Neurology (L.G., O.O.-W., A.T.-B., D.W., P.V., G.Q.), CHU de Rouen; Radiology (G.B., F.B.), CHRU de Tours; Service des Urgences Neurovasculaires (J.C., S.A.), Hôpital Pitié-Salpêtrière, Sorbonne Université, AP-HP, Stare Team, iCRIN, Institut du Cerveau, Paris; Neurology (D. Renard, A.W., E. Thouvenot), CHU de Nîmes; Neurology (N.R., C.G., J.P.), CHU de Toulouse; Neurology (X.A., C.A., P.M.L.), CHU de Montpellier; Radiology (E.G.), CHU de Rouen; Neurology (P.K.), CHU de Luxembourg; Neurology (D.S., N.O., T.A.), CH de Perpignan; Neurology (M.F.), Hospices Civils de Lyon; Neurology (F.P.), CH de Versailles; Neurology (G.T., C.I.), GHU Paris; Geriatric Medicine (M. Verny), Hôpital Pitié-Salpêtrière, AP-HP, Paris; Neurology (L.H.), CHRU de Nancy; Neurology (M. Gaudron), CHRU de Tours; Neurology (S.V.), CHU de Rennes; Neurology (N.D., H.Z.), CHU de Lille; Neurology (B.G.), CHU de Nantes; Université Grenoble Alpes (O.D.), INSERM, U1216, Neurology, CHU de Grenoble Alpes, Grenoble Institute Neurosciences; Neurology (S.G.), CHU de Angers; UR2CA-URRIS (B.C.), Stroke Unit, CHU Pasteur 2, Nice Cote d'Azur University; Internal Medicine (M.L., S.B.), CHU de Nice; Internal Medicine (M.G.-V.), Hôpital Croix-Rousse, Lyon; Neurology (L.K.), CHRU de Strasbourg; Neurology (L.D.), CH de Lorient, France; Neurology (N.L.), CHU de Liège/CHR la Citadelle, Liège, Belgique; Neurology (S.L.), Hôpital du Sacré-cœur de Montréal; Neurology (A.P.), CH de l'Université de Montréal, Québec, Canada; Internal Medicine (A.R., B.T.), Université Paris-Cité, Hôpital Cochin, AP-HP; Neurology (D.W.-L.), Hôpital Foch, Suresnes; Internal Medicine (M. Vautier), Hôpital Pitié-Salpêtrière, Paris; Neurology (S.C.), CH de Gonesse; Internal Medicine (A. Neel), CHU de Nantes; Université Caen-Normandie (O.M., R.S., E. Touzé, A. Nehme), Neurology, CHU de Caen-Normandie; Internal Medicine (T.P.), Hôpital Bichat; Internal Medicine (C.C.-O.), Hôpital Lariboisière; Neurology (E.J.), Hôpital Lariboisière, Paris; Neurology (M.S.), HIA Sainte-Anne, Toulon; Neurology (L.P.-M.), CHU de Clermont-Ferrand; Neurology (M.A.K.), CH Troyes; Neurology (F.L.), CH d'Orsay; Neurology, CH de Saint-Denis; Université de Franche-Comté (E.M.), LINC Laboratoire de Recherches Intégratives en Neurosciences et Psychologie Cognitive et CMRR, Service de Neurologie, CHU de Besançon; Neurology (Q.T., M. Graber), CHU de Dijon; Neurology (Y.B.), CH de Béziers; Neurology (G.B.-F., D. Ratiu), CH de Narbonne, France; Vasculitis Clinic (C.P.), Mount Sinai Hospital, University of Toronto, Ontario, Canada; and Université Caen-Normandie (H.D.B.), Internal Medicine, CHU de Caen-Normandie, France.; Ratiu D; From Neurology (L.G., O.O.-W., A.T.-B., D.W., P.V., G.Q.), CHU de Rouen; Radiology (G.B., F.B.), CHRU de Tours; Service des Urgences Neurovasculaires (J.C., S.A.), Hôpital Pitié-Salpêtrière, Sorbonne Université, AP-HP, Stare Team, iCRIN, Institut du Cerveau, Paris; Neurology (D. Renard, A.W., E. Thouvenot), CHU de Nîmes; Neurology (N.R., C.G., J.P.), CHU de Toulouse; Neurology (X.A., C.A., P.M.L.), CHU de Montpellier; Radiology (E.G.), CHU de Rouen; Neurology (P.K.), CHU de Luxembourg; Neurology (D.S., N.O., T.A.), CH de Perpignan; Neurology (M.F.), Hospices Civils de Lyon; Neurology (F.P.), CH de Versailles; Neurology (G.T., C.I.), GHU Paris; Geriatric Medicine (M. Verny), Hôpital Pitié-Salpêtrière, AP-HP, Paris; Neurology (L.H.), CHRU de Nancy; Neurology (M. Gaudron), CHRU de Tours; Neurology (S.V.), CHU de Rennes; Neurology (N.D., H.Z.), CHU de Lille; Neurology (B.G.), CHU de Nantes; Université Grenoble Alpes (O.D.), INSERM, U1216, Neurology, CHU de Grenoble Alpes, Grenoble Institute Neurosciences; Neurology (S.G.), CHU de Angers; UR2CA-URRIS (B.C.), Stroke Unit, CHU Pasteur 2, Nice Cote d'Azur University; Internal Medicine (M.L., S.B.), CHU de Nice; Internal Medicine (M.G.-V.), Hôpital Croix-Rousse, Lyon; Neurology (L.K.), CHRU de Strasbourg; Neurology (L.D.), CH de Lorient, France; Neurology (N.L.), CHU de Liège/CHR la Citadelle, Liège, Belgique; Neurology (S.L.), Hôpital du Sacré-cœur de Montréal; Neurology (A.P.), CH de l'Université de Montréal, Québec, Canada; Internal Medicine (A.R., B.T.), Université Paris-Cité, Hôpital Cochin, AP-HP; Neurology (D.W.-L.), Hôpital Foch, Suresnes; Internal Medicine (M. Vautier), Hôpital Pitié-Salpêtrière, Paris; Neurology (S.C.), CH de Gonesse; Internal Medicine (A. Neel), CHU de Nantes; Université Caen-Normandie (O.M., R.S., E. Touzé, A. Nehme), Neurology, CHU de Caen-Normandie; Internal Medicine (T.P.), Hôpital Bichat; Internal Medicine (C.C.-O.), Hôpital Lariboisière; Neurology (E.J.), Hôpital Lariboisière, Paris; Neurology (M.S.), HIA Sainte-Anne, Toulon; Neurology (L.P.-M.), CHU de Clermont-Ferrand; Neurology (M.A.K.), CH Troyes; Neurology (F.L.), CH d'Orsay; Neurology, CH de Saint-Denis; Université de Franche-Comté (E.M.), LINC Laboratoire de Recherches Intégratives en Neurosciences et Psychologie Cognitive et CMRR, Service de Neurologie, CHU de Besançon; Neurology (Q.T., M. Graber), CHU de Dijon; Neurology (Y.B.), CH de Béziers; Neurology (G.B.-F., D. Ratiu), CH de Narbonne, France; Vasculitis Clinic (C.P.), Mount Sinai Hospital, University of Toronto, Ontario, Canada; and Université Caen-Normandie (H.D.B.), Internal Medicine, CHU de Caen-Normandie, France.; Pagnoux C; From Neurology (L.G., O.O.-W., A.T.-B., D.W., P.V., G.Q.), CHU de Rouen; Radiology (G.B., F.B.), CHRU de Tours; Service des Urgences Neurovasculaires (J.C., S.A.), Hôpital Pitié-Salpêtrière, Sorbonne Université, AP-HP, Stare Team, iCRIN, Institut du Cerveau, Paris; Neurology (D. Renard, A.W., E. Thouvenot), CHU de Nîmes; Neurology (N.R., C.G., J.P.), CHU de Toulouse; Neurology (X.A., C.A., P.M.L.), CHU de Montpellier; Radiology (E.G.), CHU de Rouen; Neurology (P.K.), CHU de Luxembourg; Neurology (D.S., N.O., T.A.), CH de Perpignan; Neurology (M.F.), Hospices Civils de Lyon; Neurology (F.P.), CH de Versailles; Neurology (G.T., C.I.), GHU Paris; Geriatric Medicine (M. Verny), Hôpital Pitié-Salpêtrière, AP-HP, Paris; Neurology (L.H.), CHRU de Nancy; Neurology (M. Gaudron), CHRU de Tours; Neurology (S.V.), CHU de Rennes; Neurology (N.D., H.Z.), CHU de Lille; Neurology (B.G.), CHU de Nantes; Université Grenoble Alpes (O.D.), INSERM, U1216, Neurology, CHU de Grenoble Alpes, Grenoble Institute Neurosciences; Neurology (S.G.), CHU de Angers; UR2CA-URRIS (B.C.), Stroke Unit, CHU Pasteur 2, Nice Cote d'Azur University; Internal Medicine (M.L., S.B.), CHU de Nice; Internal Medicine (M.G.-V.), Hôpital Croix-Rousse, Lyon; Neurology (L.K.), CHRU de Strasbourg; Neurology (L.D.), CH de Lorient, France; Neurology (N.L.), CHU de Liège/CHR la Citadelle, Liège, Belgique; Neurology (S.L.), Hôpital du Sacré-cœur de Montréal; Neurology (A.P.), CH de l'Université de Montréal, Québec, Canada; Internal Medicine (A.R., B.T.), Université Paris-Cité, Hôpital Cochin, AP-HP; Neurology (D.W.-L.), Hôpital Foch, Suresnes; Internal Medicine (M. Vautier), Hôpital Pitié-Salpêtrière, Paris; Neurology (S.C.), CH de Gonesse; Internal Medicine (A. Neel), CHU de Nantes; Université Caen-Normandie (O.M., R.S., E. Touzé, A. Nehme), Neurology, CHU de Caen-Normandie; Internal Medicine (T.P.), Hôpital Bichat; Internal Medicine (C.C.-O.), Hôpital Lariboisière; Neurology (E.J.), Hôpital Lariboisière, Paris; Neurology (M.S.), HIA Sainte-Anne, Toulon; Neurology (L.P.-M.), CHU de Clermont-Ferrand; Neurology (M.A.K.), CH Troyes; Neurology (F.L.), CH d'Orsay; Neurology, CH de Saint-Denis; Université de Franche-Comté (E.M.), LINC Laboratoire de Recherches Intégratives en Neurosciences et Psychologie Cognitive et CMRR, Service de Neurologie, CHU de Besançon; Neurology (Q.T., M. Graber), CHU de Dijon; Neurology (Y.B.), CH de Béziers; Neurology (G.B.-F., D. Ratiu), CH de Narbonne, France; Vasculitis Clinic (C.P.), Mount Sinai Hospital, University of Toronto, Ontario, Canada; and Université Caen-Normandie (H.D.B.), Internal Medicine, CHU de Caen-Normandie, France.; Touzé E; From Neurology (L.G., O.O.-W., A.T.-B., D.W., P.V., G.Q.), CHU de Rouen; Radiology (G.B., F.B.), CHRU de Tours; Service des Urgences Neurovasculaires (J.C., S.A.), Hôpital Pitié-Salpêtrière, Sorbonne Université, AP-HP, Stare Team, iCRIN, Institut du Cerveau, Paris; Neurology (D. Renard, A.W., E. Thouvenot), CHU de Nîmes; Neurology (N.R., C.G., J.P.), CHU de Toulouse; Neurology (X.A., C.A., P.M.L.), CHU de Montpellier; Radiology (E.G.), CHU de Rouen; Neurology (P.K.), CHU de Luxembourg; Neurology (D.S., N.O., T.A.), CH de Perpignan; Neurology (M.F.), Hospices Civils de Lyon; Neurology (F.P.), CH de Versailles; Neurology (G.T., C.I.), GHU Paris; Geriatric Medicine (M. Verny), Hôpital Pitié-Salpêtrière, AP-HP, Paris; Neurology (L.H.), CHRU de Nancy; Neurology (M. Gaudron), CHRU de Tours; Neurology (S.V.), CHU de Rennes; Neurology (N.D., H.Z.), CHU de Lille; Neurology (B.G.), CHU de Nantes; Université Grenoble Alpes (O.D.), INSERM, U1216, Neurology, CHU de Grenoble Alpes, Grenoble Institute Neurosciences; Neurology (S.G.), CHU de Angers; UR2CA-URRIS (B.C.), Stroke Unit, CHU Pasteur 2, Nice Cote d'Azur University; Internal Medicine (M.L., S.B.), CHU de Nice; Internal Medicine (M.G.-V.), Hôpital Croix-Rousse, Lyon; Neurology (L.K.), CHRU de Strasbourg; Neurology (L.D.), CH de Lorient, France; Neurology (N.L.), CHU de Liège/CHR la Citadelle, Liège, Belgique; Neurology (S.L.), Hôpital du Sacré-cœur de Montréal; Neurology (A.P.), CH de l'Université de Montréal, Québec, Canada; Internal Medicine (A.R., B.T.), Université Paris-Cité, Hôpital Cochin, AP-HP; Neurology (D.W.-L.), Hôpital Foch, Suresnes; Internal Medicine (M. Vautier), Hôpital Pitié-Salpêtrière, Paris; Neurology (S.C.), CH de Gonesse; Internal Medicine (A. Neel), CHU de Nantes; Université Caen-Normandie (O.M., R.S., E. Touzé, A. Nehme), Neurology, CHU de Caen-Normandie; Internal Medicine (T.P.), Hôpital Bichat; Internal Medicine (C.C.-O.), Hôpital Lariboisière; Neurology (E.J.), Hôpital Lariboisière, Paris; Neurology (M.S.), HIA Sainte-Anne, Toulon; Neurology (L.P.-M.), CHU de Clermont-Ferrand; Neurology (M.A.K.), CH Troyes; Neurology (F.L.), CH d'Orsay; Neurology, CH de Saint-Denis; Université de Franche-Comté (E.M.), LINC Laboratoire de Recherches Intégratives en Neurosciences et Psychologie Cognitive et CMRR, Service de Neurologie, CHU de Besançon; Neurology (Q.T., M. Graber), CHU de Dijon; Neurology (Y.B.), CH de Béziers; Neurology (G.B.-F., D. Ratiu), CH de Narbonne, France; Vasculitis Clinic (C.P.), Mount Sinai Hospital, University of Toronto, Ontario, Canada; and Université Caen-Normandie (H.D.B.), Internal Medicine, CHU de Caen-Normandie, France.; de Boysson H; From Neurology (L.G., O.O.-W., A.T.-B., D.W., P.V., G.Q.), CHU de Rouen; Radiology (G.B., F.B.), CHRU de Tours; Service des Urgences Neurovasculaires (J.C., S.A.), Hôpital Pitié-Salpêtrière, Sorbonne Université, AP-HP, Stare Team, iCRIN, Institut du Cerveau, Paris; Neurology (D. Renard, A.W., E. Thouvenot), CHU de Nîmes; Neurology (N.R., C.G., J.P.), CHU de Toulouse; Neurology (X.A., C.A., P.M.L.), CHU de Montpellier; Radiology (E.G.), CHU de Rouen; Neurology (P.K.), CHU de Luxembourg; Neurology (D.S., N.O., T.A.), CH de Perpignan; Neurology (M.F.), Hospices Civils de Lyon; Neurology (F.P.), CH de Versailles; Neurology (G.T., C.I.), GHU Paris; Geriatric Medicine (M. Verny), Hôpital Pitié-Salpêtrière, AP-HP, Paris; Neurology (L.H.), CHRU de Nancy; Neurology (M. Gaudron), CHRU de Tours; Neurology (S.V.), CHU de Rennes; Neurology (N.D., H.Z.), CHU de Lille; Neurology (B.G.), CHU de Nantes; Université Grenoble Alpes (O.D.), INSERM, U1216, Neurology, CHU de Grenoble Alpes, Grenoble Institute Neurosciences; Neurology (S.G.), CHU de Angers; UR2CA-URRIS (B.C.), Stroke Unit, CHU Pasteur 2, Nice Cote d'Azur University; Internal Medicine (M.L., S.B.), CHU de Nice; Internal Medicine (M.G.-V.), Hôpital Croix-Rousse, Lyon; Neurology (L.K.), CHRU de Strasbourg; Neurology (L.D.), CH de Lorient, France; Neurology (N.L.), CHU de Liège/CHR la Citadelle, Liège, Belgique; Neurology (S.L.), Hôpital du Sacré-cœur de Montréal; Neurology (A.P.), CH de l'Université de Montréal, Québec, Canada; Internal Medicine (A.R., B.T.), Université Paris-Cité, Hôpital Cochin, AP-HP; Neurology (D.W.-L.), Hôpital Foch, Suresnes; Internal Medicine (M. Vautier), Hôpital Pitié-Salpêtrière, Paris; Neurology (S.C.), CH de Gonesse; Internal Medicine (A. Neel), CHU de Nantes; Université Caen-Normandie (O.M., R.S., E. Touzé, A. Nehme), Neurology, CHU de Caen-Normandie; Internal Medicine (T.P.), Hôpital Bichat; Internal Medicine (C.C.-O.), Hôpital Lariboisière; Neurology (E.J.), Hôpital Lariboisière, Paris; Neurology (M.S.), HIA Sainte-Anne, Toulon; Neurology (L.P.-M.), CHU de Clermont-Ferrand; Neurology (M.A.K.), CH Troyes; Neurology (F.L.), CH d'Orsay; Neurology, CH de Saint-Denis; Université de Franche-Comté (E.M.), LINC Laboratoire de Recherches Intégratives en Neurosciences et Psychologie Cognitive et CMRR, Service de Neurologie, CHU de Besançon; Neurology (Q.T., M. Graber), CHU de Dijon; Neurology (Y.B.), CH de Béziers; Neurology (G.B.-F., D. Ratiu), CH de Narbonne, France; Vasculitis Clinic (C.P.), Mount Sinai Hospital, University of Toronto, Ontario, Canada; and Université Caen-Normandie (H.D.B.), Internal Medicine, CHU de Caen-Normandie, France.; Alamowitch S; From Neurology (L.G., O.O.-W., A.T.-B., D.W., P.V., G.Q.), CHU de Rouen; Radiology (G.B., F.B.), CHRU de Tours; Service des Urgences Neurovasculaires (J.C., S.A.), Hôpital Pitié-Salpêtrière, Sorbonne Université, AP-HP, Stare Team, iCRIN, Institut du Cerveau, Paris; Neurology (D. Renard, A.W., E. Thouvenot), CHU de Nîmes; Neurology (N.R., C.G., J.P.), CHU de Toulouse; Neurology (X.A., C.A., P.M.L.), CHU de Montpellier; Radiology (E.G.), CHU de Rouen; Neurology (P.K.), CHU de Luxembourg; Neurology (D.S., N.O., T.A.), CH de Perpignan; Neurology (M.F.), Hospices Civils de Lyon; Neurology (F.P.), CH de Versailles; Neurology (G.T., C.I.), GHU Paris; Geriatric Medicine (M. Verny), Hôpital Pitié-Salpêtrière, AP-HP, Paris; Neurology (L.H.), CHRU de Nancy; Neurology (M. Gaudron), CHRU de Tours; Neurology (S.V.), CHU de Rennes; Neurology (N.D., H.Z.), CHU de Lille; Neurology (B.G.), CHU de Nantes; Université Grenoble Alpes (O.D.), INSERM, U1216, Neurology, CHU de Grenoble Alpes, Grenoble Institute Neurosciences; Neurology (S.G.), CHU de Angers; UR2CA-URRIS (B.C.), Stroke Unit, CHU Pasteur 2, Nice Cote d'Azur University; Internal Medicine (M.L., S.B.), CHU de Nice; Internal Medicine (M.G.-V.), Hôpital Croix-Rousse, Lyon; Neurology (L.K.), CHRU de Strasbourg; Neurology (L.D.), CH de Lorient, France; Neurology (N.L.), CHU de Liège/CHR la Citadelle, Liège, Belgique; Neurology (S.L.), Hôpital du Sacré-cœur de Montréal; Neurology (A.P.), CH de l'Université de Montréal, Québec, Canada; Internal Medicine (A.R., B.T.), Université Paris-Cité, Hôpital Cochin, AP-HP; Neurology (D.W.-L.), Hôpital Foch, Suresnes; Internal Medicine (M. Vautier), Hôpital Pitié-Salpêtrière, Paris; Neurology (S.C.), CH de Gonesse; Internal Medicine (A. Neel), CHU de Nantes; Université Caen-Normandie (O.M., R.S., E. Touzé, A. Nehme), Neurology, CHU de Caen-Normandie; Internal Medicine (T.P.), Hôpital Bichat; Internal Medicine (C.C.-O.), Hôpital Lariboisière; Neurology (E.J.), Hôpital Lariboisière, Paris; Neurology (M.S.), HIA Sainte-Anne, Toulon; Neurology (L.P.-M.), CHU de Clermont-Ferrand; Neurology (M.A.K.), CH Troyes; Neurology (F.L.), CH d'Orsay; Neurology, CH de Saint-Denis; Université de Franche-Comté (E.M.), LINC Laboratoire de Recherches Intégratives en Neurosciences et Psychologie Cognitive et CMRR, Service de Neurologie, CHU de Besançon; Neurology (Q.T., M. Graber), CHU de Dijon; Neurology (Y.B.), CH de Béziers; Neurology (G.B.-F., D. Ratiu), CH de Narbonne, France; Vasculitis Clinic (C.P.), Mount Sinai Hospital, University of Toronto, Ontario, Canada; and Université Caen-Normandie (H.D.B.), Internal Medicine, CHU de Caen-Normandie, France.; Nehme A; From Neurology (L.G., O.O.-W., A.T.-B., D.W., P.V., G.Q.), CHU de Rouen; Radiology (G.B., F.B.), CHRU de Tours; Service des Urgences Neurovasculaires (J.C., S.A.), Hôpital Pitié-Salpêtrière, Sorbonne Université, AP-HP, Stare Team, iCRIN, Institut du Cerveau, Paris; Neurology (D. Renard, A.W., E. Thouvenot), CHU de Nîmes; Neurology (N.R., C.G., J.P.), CHU de Toulouse; Neurology (X.A., C.A., P.M.L.), CHU de Montpellier; Radiology (E.G.), CHU de Rouen; Neurology (P.K.), CHU de Luxembourg; Neurology (D.S., N.O., T.A.), CH de Perpignan; Neurology (M.F.), Hospices Civils de Lyon; Neurology (F.P.), CH de Versailles; Neurology (G.T., C.I.), GHU Paris; Geriatric Medicine (M. Verny), Hôpital Pitié-Salpêtrière, AP-HP, Paris; Neurology (L.H.), CHRU de Nancy; Neurology (M. Gaudron), CHRU de Tours; Neurology (S.V.), CHU de Rennes; Neurology (N.D., H.Z.), CHU de Lille; Neurology (B.G.), CHU de Nantes; Université Grenoble Alpes (O.D.), INSERM, U1216, Neurology, CHU de Grenoble Alpes, Grenoble Institute Neurosciences; Neurology (S.G.), CHU de Angers; UR2CA-URRIS (B.C.), Stroke Unit, CHU Pasteur 2, Nice Cote d'Azur University; Internal Medicine (M.L., S.B.), CHU de Nice; Internal Medicine (M.G.-V.), Hôpital Croix-Rousse, Lyon; Neurology (L.K.), CHRU de Strasbourg; Neurology (L.D.), CH de Lorient, France; Neurology (N.L.), CHU de Liège/CHR la Citadelle, Liège, Belgique; Neurology (S.L.), Hôpital du Sacré-cœur de Montréal; Neurology (A.P.), CH de l'Université de Montréal, Québec, Canada; Internal Medicine (A.R., B.T.), Université Paris-Cité, Hôpital Cochin, AP-HP; Neurology (D.W.-L.), Hôpital Foch, Suresnes; Internal Medicine (M. Vautier), Hôpital Pitié-Salpêtrière, Paris; Neurology (S.C.), CH de Gonesse; Internal Medicine (A. Neel), CHU de Nantes; Université Caen-Normandie (O.M., R.S., E. Touzé, A. Nehme), Neurology, CHU de Caen-Normandie; Internal Medicine (T.P.), Hôpital Bichat; Internal Medicine (C.C.-O.), Hôpital Lariboisière; Neurology (E.J.), Hôpital Lariboisière, Paris; Neurology (M.S.), HIA Sainte-Anne, Toulon; Neurology (L.P.-M.), CHU de Clermont-Ferrand; Neurology (M.A.K.), CH Troyes; Neurology (F.L.), CH d'Orsay; Neurology, CH de Saint-Denis; Université de Franche-Comté (E.M.), LINC Laboratoire de Recherches Intégratives en Neurosciences et Psychologie Cognitive et CMRR, Service de Neurologie, CHU de Besançon; Neurology (Q.T., M. Graber), CHU de Dijon; Neurology (Y.B.), CH de Béziers; Neurology (G.B.-F., D. Ratiu), CH de Narbonne, France; Vasculitis Clinic (C.P.), Mount Sinai Hospital, University of Toronto, Ontario, Canada; and Université Caen-Normandie (H.D.B.), Internal Medicine, CHU de Caen-Normandie, France.

Publisher: Lippincott Williams & Wilkins Country of Publication: United States NLM ID: 0401060 Publication Model: Print-Electronic Cited Medium: Internet ISSN: 1526-632X (Electronic) Linking ISSN: 00283878 NLM ISO Abbreviation: Neurology Subsets: MEDLINE

Le Floch A; Neuroradiology, CHU Bordeaux GH Pellegrin, Bordeaux, Aquitaine, France.; Clarençon F; Interventional neuroradiology, University Hospital Pitié Salpêtrière, Paris, France.; Rouchaud A; Interventional neuroradiology, Centre Hospitalier Universitaire de Limoges, Limoges, France.; CNRS, XLIM, UMR 7252, Université de Limoges, Limoges, Nouvelle-Aquitaine, France.; Kyheng M; Biostatistics, CHU Lille, Lille, Hauts-de-France, France.; Labreuche J; Biostatistics, CHU Lille, Lille, Hauts-de-France, France.; Sibon I; Neurology, CHU de Bordeaux, Bordeaux, France.; Boulouis G; Neuroradiology, CHRU Tours, Tours, Centre, France.; Gory B; Diagnostic and Interventional Neuroradiology, Centre Hospitalier Universitaire de Nancy, Nancy, France.; Richard S; Neurology Stroke Unit, University Hospital Centre Nancy, Nancy, France.; Caroff J; Department of Interventional Neuroradiology - NEURI Brain Vascular Center, Bicêtre Hospital, APHP, Le Kremlin Bicêtre, France.; Blanc R; Departement of interventional neuroradiology, Fondation Rothschild, Paris, Île-de-France, France.; Seners P; Neurology, Fondation Rothschild, Paris, Île-de-France, France.; Eker OF; Neuroradiology, Hospices Civils de Lyon, Bron, France.; Cho TH; Neurology, CHU Lyon, Lyon, Auvergne-Rhône-Alpes, France.; Consoli A; Interventional Neuroradiologie, Hopital Foch, Suresnes, Ile-de-France, France.; Bourcier R; Neuroradiology, Université de Nantes, Nantes, France.; Guillon B; Stroke unit, CHU Nantes, Nantes, Pays de la Loire, France.; Dargazanli C; Department of Neuroradiology, University Hospital Centre Montpellier, Montpellier, Occitanie, France.; Arquizan C; Neurology, CHU Montpellier, Montpellier, Languedoc-Roussillon, France.; Denier C; Neurology, Hopital Bicetre, Le Kremlin-Bicetre, France.; Eugene F; Radiologie, CHU Rennes, Rennes, France.; Vannier S; Department of Neurology, CHU Rennes, Rennes, Bretagne, France.; Gentric JC; Neuroradiology, CHU Brest, Brest, Bretagne, France.; Gauberti M; Neuroradiology, CHU Caen, Caen, Basse-Normandie, France.; Naggara O; Neuroradiology, GHU Paris Pôle Neuro Sainte-Anne, Paris, Île-de-France, France.; Rosso C; Neurology, Hôpital Universitaire Pitié Salpêtrière, Paris, Île-de-France, France.; Turc G; Neurology, GHU Paris Pôle Neuro Sainte-Anne, Paris, Île-de-France, France.; Ozkul-Wermester O; Neurology, CHU Rouen, Rouen, Normandie, France.; Cognard C; Diagnostic and Therapeutic Neuroradiology, CHU Toulouse, Toulouse, Occitanie, France.; Albucher JF; Neurology, University Hospital Centre Toulouse, Toulouse, Midi-Pyrénées, France.; Timsit S; Neurology, CHU Brest, Brest, Bretagne, France.; Bourdain F; Neurology, Centre Hospitalier de la Cote Basque, Bayonne, Aquitaine, France.; Le Bras A; Department of Radiology, Centre Hospitalier Bretagne Atlantique, Vannes, Bretagne, France.; Neuroradiology, CHU Rennes Service de radiologie et d'imagerie médicale, Rennes, France.; Richter S; Neuroradiology, CH Pau, Pau, Aquitaine-Limousin-Poitou, France.; Moulin S; Neurology, University Hospital Centre Reims, Reims, Champagne-Ardenne, France.; Pop R; Neuroradiolology, CHU Strasbourg, Strasbourg, Alsace, France.; Heck O; Neurology, CHU Grenoble Alpes, Grenoble, Auvergne-Rhone-Alpes, France.; Moreno R; Department Of Neuroradiology, CHU Clermont-Ferrand, Clermont-Ferrand, France.; L'Allinec V; Département de Radiologie, CHU Angers, Angers, France.; Lapergue B; Stroke Center Neurology Division, Hopital Foch, SURESNES, France.; Marnat G; Interventional and Diagnostic Neuroradiology, CHU Bordeaux GH Pellegrin, Bordeaux, Aquitaine, France gaultier.marnat@chu-bordeaux.fr.

Publisher: BMJ Publishing Group Country of Publication: England NLM ID: 101517079 Publication Model: Print-Electronic Cited Medium: Internet ISSN: 1759-8486 (Electronic) Linking ISSN: 17598478 NLM ISO Abbreviation: J Neurointerv Surg Subsets: MEDLINE

Hebant, B.; Triquenot-Bagan, A.; Guegan-Massardier, E.; Ozkul-Wermester, O.; Grangeon, L.; Maltête, D.

In Revue Neurologique March 2017 173(3):152-158

de Havenon A; Department of Neurology, Yale University, New Haven, Connecticut, USA adam.dehavenon@yale.edu.; Elhorany M; Interventional Neuroradiology, Hopital Universitaire Pitie Salpetriere, Paris, France.; Boulouis G; Neuroradiology, Hôpital Sainte-Anne, Paris, France.; Naggara O; Neuroradiology, Hôpital Sainte-Anne, Paris, France.; Darcourt J; Neuroradiology, CHU de Toulouse, Toulouse, France.; Clarençon F; Sorbonne Université, Paris, France.; Neuroradiology, Pitié-Salpêtrière Hospital, Paris, France.; Richard S; Neurology Stroke Unit, University Hospital Centre Nancy, Nancy, France.; Marnat G; Interventional and Diagnostic Neuroradiology, Bordeaux University Hospital, Bordeaux, France.; Bourcier R; Neuroradiology, Université de Nantes, Nantes, France.; Sibon I; CHU de Bordeaux, Bordeaux, France.; Arquizan C; Neurology, CHRU Gui de Chauliac, Montpellier, France.; Dargazanli C; Neuroradiology, Centre Hospitalier Regional Universitaire de Montpellier, Montpellier, Languedoc-Roussillon, France.; Maïer B; Neuroradiology, Adolphe de Rothschild Ophthalmological Foundation Department of Interventional Neuroradiology, Paris, Île-de-France, France.; Seners P; Adolphe de Rothschild Ophthalmological Foundation Department of Interventional Neuroradiology, Paris, Île-de-France, France.; Lapergue B; Versailles Saint-Quentin-en-Yvelines University, Versailles, Île-de-France, France.; Consoli A; Diagnostic and Interventional Neuroradiology, Hospital Foch, Suresnes, France.; Interventional Neurovascular Unit, Azienda Ospedaliero Universitaria Careggi, Firenze, Italy.; Eugene F; Radiologie, CHU Rennes, Rennes, France.; Vannier S; Department of Neurology, CHU Rennes, Rennes, Bretagne, France.; Caroff J; Department of Interventional Neuroradiology - NEURI Brain Vascular Center, Bicêtre Hospital, APHP, Le Kremlin Bicêtre, France.; Denier C; Neurology, Hopital Bicetre, Le Kremlin-Bicetre, France.; Boulanger M; Department of Neurology, CHU Caen, Caen, France.; Gauberti M; CHU Caen, Caen, Basse-Normandie, France.; Rouchaud A; Interventional Neuroradiology, Centre Hospitalier Universitaire de Limoges, Limoges, France.; Univ. Limoges, CNRS, XLIM, UMR 7252, Limoges, France.; Macian F; Department of Neurology, CHU Limoges, Limoges, France.; Rosso C; Urgences Cérébro-Vasculaires, Pitié-Salpétrière Hospital, Paris, France.; Turc G; Neurology, GHU Paris Psychiatrie et Neurosciences, Paris, France.; Ozkul-Wermester O; Department of Neurology, CHU Rouen, Rouen, France.; Papagiannaki C; CHU Rouen, Rouen, Normandie, France.; Albucher JF; Neurology, University Hospital Centre Toulouse, Toulouse, Midi-Pyrénées, France.; Le Bras A; Department of Radiology, CH Bretagne Atlantique, Vannes, France.; CHU Rennes Service de radiologie et d'imagerie médicale, Rennes, France.; Evain S; Department of Neurology, Centre Hospitalier Bretagne Atlantique, Vannes, Bretagne, France.; Wolff V; Stroke Unit, Strasbourg University Hospitals, Strasbourg, France.; Pop R; Interventional Neuroradiology, University Hospitals Strasbourg, Strasbourg, France.; Interventional Radiology, Institut de Chirurgie Guidée par l'Image, Strasbourg, France.; Timsit S; Department of Neurology, CHU Brest, Brest, France.; Gentric JC; CHUM Montreal, Montréal, Québec, Canada.; Bourdain F; CH Côte Basque, Bayonne, France.; Veunac L; Department of Radiology, Centre Hospitalier de la Cote Basque, Bayonne, Aquitaine, France.; Fahed R; Medicine - Neurology, Ottawa Hospital, Ottawa, Ontario, Canada.; Interventional Neuroradiology, Fondation Ophtalmologique Adolphe de Rothschild, Paris, France.; Finitsis SN; Radiology, Centre Hospitalier de L'Universite de Montreal, Montreal, Québec, Canada.; Radiology, Centre Hospitalier de L'Universite de Montreal, Montreal, Québec, Canada.; Gory B; Department of Diagnostic and Interventional Neuroradiology, CHRU Nancy, Nancy, Lorraine, France.

Publisher: BMJ Publishing Group Country of Publication: England NLM ID: 101517079 Publication Model: Print-Electronic Cited Medium: Internet ISSN: 1759-8486 (Electronic) Linking ISSN: 17598478 NLM ISO Abbreviation: J Neurointerv Surg Subsets: MEDLINE

Caroff, J.; Cortese, J.; Spelle, L.; Consoli, A.; Marnat, G.; Sarov, M.; Zhu, F.; Soize, S.; Burel, J.; Forestier, G.; Escalard, S.; Pop, R.; Bonnet, B.; Alias, Q.; Ognard, J.; Naggara, O.; Kyheng, M.; Lapergue, B.; Wang, A.; Coskun, O.; Di Maria, F.; Pizzuto, S.; Sgreccia, A.; Benoit, C.; Gorza, L.; Weisenburger-Lile, D.; Jabeur, W.; Tchikviladze, M.; Evrard, S.; Rodesch, G.; Blanc, R.; Obadia, M.; Desilles, J.-P.; Piotin, M.; Seners, P.; Smajda, S.; Maier, B.; Sabben, C.; Redjem, H.; Mazhigi, M.; Adwane, G.; Delvoye, F.; Al Raaisi, A.; Boisseau, W.; Altayeb, A.; Robichon, E.; Eker, O.; Cho, T.-H.; Fontaine, J.; Mechtouff, L.; Nighoghossian, N.; Ong, E.; Rascle, L.; Riva, R.; Turjman, F.; Laubacher, M.; Beyragued, M.; Berthezene, Y.; Hermier, M.; Ameli, R.; Bani-Sadr, A.; Filip, A.; Cappucci, M.; Derex, L.; Pernot, P.; Clottes, P.; Bourcier, R.; Duport, B.D.; Alexandre, P.L.; Desal, H.; De Gaalon, S.; Guillon, B.; Preterre, C.; Tessier, G.; Lionnet, A.; Gory, B.; Humbertjean-Selton, L.; Anxionnat, R.; Derelle, A.-L.; Liao, L.; Schmitt, E.; Planel, S.; Richard, S.; Mione, G.; Lacour, J.-C.; Douarinou, M.; Micard, E.; Chen, B.; Audibert, G.; Masson, A.; Alb, L.; Beaumont, M.; Tabarna, A.; Voicu, M.; Barthel, G.; Podar, I.; Brezeanu, M.; Reitter, M.; Rene, A.; Liegey, J.-S.; Briau, P.; Lyon, V.; Sibon, I.; Barreau, X.; Papaxanthos, J.; Berge, J.; Debruxelles, S.; Olindo, S.; Poli, M.; Renou, P.; Sagnier, S.; Tourdias, T.; Courret, T.; Milnerowicz, M.; Rouanet, F.; Legghe, B.; Boyer, A.; Kerdraon, T.; Saleille, L.; Bastardo, L.; Dargazanli, C.; Costalat, V.; Federico, C.; Lefevre, P.-H.; Gascou, G.; Varnier, Q.; Collemiche, F.L.; Mourand, I.; Arquizan, C.; Corti, L.; Schiphorst, A.T.; Derraz, I.; Denier, C.; Chalumeau, V.; Mihalea, C.; Legris, N.; Ozanne, A.; Ikka, L.; Chassin, O.; Gallas, S.; Venditti, L.; Ferre, J.-C.; Vannier, S.; Lassalle, M.V.; Gauvrit, J.-Y.; Tracol, C.; Malrain, C.; Beaufreton, E.; Hissier, J.; Guillen, M.; Eugene, F.; Boucherit, J.; Chivot, C.; Courselle, A.; Canaple, S.; Lamy, C.; Delaforge, K.; Fernandez, M.; Vial, J.; Laferte, Q.; Desdoit, X.; Timsit, S.; Jourdain, A.; Gentric, J.-C.; El Aouni, M.C.; Viakhireva, I.; Coris, J.; Merrien, F.-M.; Marechal, D.; Bruguet, M.; Goas, P.; Boulanger, M.; Touze, E.; Barbier, C.; Schneckenburger, R.; Cogez, J.; Guettier, S.; La Porte, E.; Bouchart, J.; Ismail, M.; Mounayer, C.; Rouchaud, A.; Saleme, S.; Alamowitch, S.; Rosso, C.; Leder, S.; Baronnet, F.; Crozier, S.; Leger, A.; Bottin, L.; Ghazanfari, S.; Yger, M.; Delorme, S.; Wittwer, A.; Vassilev, C.; Gerschenfeld, G.; Blanc, C.; Rainone, A.; Clarençon, F.; Premat, K.; Shotar, E.; Lenck, S.; Sourour, N.; Allard, J.; Chiaroni, P.M.; Turc, G.; Hassen, W.B.; Trystram, D.; Rodriguez-Regent, C.; Laza-Nomenjanahary, F.; Gortais, H.; Ozkul-Wermester, O.; Papagiannaki, C.; Massardier, E.; Triquenot, A.; Lefebvre, M.; Florian, B.; Curado, A.; Viguier, A.; Cognard, C.; Januel, A.C.; Albucher, J.-F.; Calviere, L.; Olivot, J.-M.; Raposo, N.; Bonneville, F.; Bellanger, G.; Fontaine, L.; Tall, P.; Bourdain, F.; Bernady, P.; Ballan, G.; Bannier, S.; Ellie, E.; Flabeau, O.; Potenza, J.; Soulages, A.; Lagoarde-Segot, L.; Cailliez, H.; Veunac, L.; Higue, D.; Bourgeois-Beauvais, Q.; Lebras, A.; Adam, S.; Pegat, B.; Le Guen, A.; Chedeville, F.; Jouan, J.; Allibert, R.; Courtois, A.; Lescot, L.; Videt, D.; Lapotre, T.; Richter, J.S.; Barroso, B.T.; Dahan, C.; Gonnet, A.; Hubrecht, R.; Lepine, Z.; Castagnet, H.; Marasescu, R.; Heck, O.; Cuisenier, P.; Detante, O.; Wiki, I.F.; Bonaz, C.; Katia, G.; Legris, L.; Kastler, A.; Boubagra, K.; Berthet, C.; Charara, S.; Lepilliet, F.; Dumas, V.; Neau, J.P.; Velasco, S.; Nasr, N.; Wolff, V.; Quenardelle, V.; Lauer, V.; Pierre-Paul, I.; Gheoca, R.; Lorant, L.; Moulin, S.; Tuan, H.V.; Pagano, P.; Doucet, A.; Gelmini, C.; Manceau, P.-F.; Paiusan, L.; Serre, I.; Nguyen, T.N.P.; Sahnoun, M.; Caucheteux, N.; Lebedinsky, P.; Bolognini, F.; Vuillemet, F.; Ferrier, A.; Zerroug, A.; Moreno, R.; Chabert, E.; Lteif, E.; Paris, P.; Bourgois, N.; Raquin, M.; Pasco-Papon, A.; Girot, J.B.; Lecluse, A.; Godard, S.; L'Allinec, V.; Corfu, A.; Janot, K.; Bibi, R.; Gaudron, M.; Bretonniere, A.; Annan, M.; Ifergan, H.; Boulouis, G.; Pasi, M.; Debiais, S.; Molinier, E.; Herbreteau, D.; Bala, F.; Hoche, C.; Wietrich, A.; Ruche, V.; Lavandier, K.; Amara, H.; Bejot, Y.; Lemogne, B.; Ricolfi, F.; Baptiste, L.; Thouant, P.; Duloquin, G.; Comby, P.O.; Blanc-Labarre, C.; Amaral, S.; Angélique, B.; Chavent, A.; Rhamani, A.; Chevalier, C.; Charbonnier, G.; Bonnet, L.; Raybaud, N.; Bouamra, B.; Moulin, T.; Biondi, A.; Pico, F.; Dano, B.; Patcas, C.; Chaari, F.; Stanciu, D.; Long, D.D.; Intissar, H.; Chadenat, M.-L.; Suissa, L.; Doche, E.; Reyre, A.; Carle, X.; Laksiri, N.; Osmano, P.; Peres, R.; Robinet-Borgmano, E.; Dulau, C.; Rey, C.; Brunel, H.; Dory-Lautrec, P.; Hak, J.-F.; Lehmann, P.; Sivadji, V.; Kerleroux, B.; Berge, J.; Sacchetti, F.; Bing, F.; Bonnerot, M.; Berger, I.; Morel, N.; Rodier, G.; Vadot, W.; Tournier, L.; Sacchetti, F.; Hak, J.-F.; Kerleroux, B.

In: Journal of NeuroInterventional Surgery. (Journal of NeuroInterventional Surgery, 2024)

Anadani M; Neurosurgery, Medical University of South Carolina - College of Medicine, Charleston, South Carolina, USA anadani@musc.edu.; Januel AC; Neuroradiology, University Hospital of Purpan, Toulouse, France.; Finitsis S; Neuroradiolology, University General Hospital of Thessaloniki AHEPA, Thessaoniki, Greece.; Clarençon F; Interventional Neuroradiology, University Hospital Pitié Salpêtrière, Paris, France.; Richard S; Neurology Stroke Unit, University Hospital Centre Nancy, Nancy, France.; Marnat G; Interventional and Diagnostic Neuroradiology, Bordeaux University Hospital, Bordeaux, France.; Bourcier R; CHU de Nantes, Nantes, France.; Sibon I; CHU de Bordeaux, Bordeaux, France.; Dargazanli C; Department of Neuroradiology, University Hospital Centre Montpellier, Montpellier, France.; Arquizan C; Neurology, CHRU Gui de Chauliac, Montpellier, France.; Blanc R; Interventional Neuroradiology, Fondation Rothschild, Paris, France.; Lapergue B; Neurology, Stroke Unit, Hospital Foch, Suresnes, France.; Consoli A; Hopital Foch, Suresnes, France.; Eugene F; Radiologie, CHU Rennes, Rennes, France.; Vannier S; Department of Neurology, CHU Rennes, Rennes, France.; Caroff J; Department of Interventional Neuroradiology - NEURI Brain Vascular Center, Bicêtre Hospital, APHP, Le Kremlin Bicêtre, France.; Denier C; Neurology, Hôpital Bicetre, Le Kremlin-Bicetre, Île-de-France, France.; Boulanger M; Neurology, CHU Caen, Caen, France.; Gauberti M; Centre Hospitalier Universitaire de Limoges, Limoges, Limousin, France.; Rouchaud A; Interventional Neuroradiology, Centre Hospitalier Universitaire de Limoges, Limoges, France.; Department of Neurology, CHU Limoges, Limoges, France.; Macian Montoro F; Department of Neurology, CHU Limoges, Limoges, France.; Rosso C; Urgences Cérébro-Vasculaires, Pitié-Salpétrière Hospital, Paris, France.; Ben Hassen W; Interventional Neuroradiology, Saint Anne Hospital Centre, Paris, France.; INSERM U1166, Paris, France.; Turc G; Centre Hospitalier Universitaire de Limoges, Limoges, Limousin, France.; Ozkul-Wermester O; Department of Neurology, CHU Rouen, Rouen, France.; Papagiannaki C; Interventional Neuroradiology, CHU Rouen, Rouen, France.; Albucher JF; Neurology, University Hospital Centre Toulouse, Toulouse, France.; Le Bras A; Department of Radiology, CH Bretagne Atlantique, Vannes, France.; CHU Rennes Service de Radiologie et d'Imagerie Médicale, Rennes, France.; Evain S; Department of Neurology, Centre Hospitalier Bretagne Atlantique, Vannes, France.; Wolff V; Stroke Unit, Strasbourg University Hospitals, Strasbourg, France.; Pop R; Interventional Neuroradiology, University Hospitals Strasbourg, Strasbourg, France.; Interventional Radiology, Institut de Chirurgie Guidée par l'Image, Strasbourg, France.; Timsit S; Department of Neurology, CHU Brest, Brest, France.; Gentric JC; Neuroradiology, CHRU de Brest, Brest, France.; Bourdain F; Neurology, Centre Hospitalier de la Cote Basque, Bayonne, Aquitaine, France.; Veunac L; Department of Radiology and Interventional Neuroradiology, CHU de Bordeaux, Bordeaux, France.; de Havenon A; Department of Neurology, University of Utah, Salt Lake City, Utah, USA.; Liebeskind DS; Neurology, UCLA, Los Angeles, California, USA.; Maier B; Interventional Neuroradiology, Adolphe de Rothschild Ophthalmological Foundation, Paris, France.; Gory B; Department of Diagnostic and Interventional Neuroradiology, CHRU Nancy, Nancy, France.

Publisher: BMJ Publishing Group Country of Publication: England NLM ID: 101517079 Publication Model: Print-Electronic Cited Medium: Internet ISSN: 1759-8486 (Electronic) Linking ISSN: 17598478 NLM ISO Abbreviation: J Neurointerv Surg Subsets: MEDLINE

Panni P; Department of Neuroradiology, Division of Interventional Neuroradiology, Department of Neurosurgery, San Raffaele University Hospital, Milan, Italy. panni.pietro@hsr.it.; Lapergue B; Department of Neurology, Foch Hospital, Versailles Saint-Quentin en Yvelines University, Suresnes, France.; Maïer B; Department of Interventional Neuroradiology, Rothschild Foundation, Paris, France.; Finitsis S; AHEPA Hospital, Aristotle University of Thessaloniki, Thessaloniki, Greece.; Clarençon F; Department of Neuroradiology, CHU Pitié-Salpétrière, Paris, France.; Richard S; CHRU-Nancy, Department of Neurology, Stroke Unit, Université de Lorraine, 54000, Nancy, France.; CIC-P 1433, INSERM U1116, CHRU-Nancy, 54000, Nancy, France.; Marnat G; Department of Diagnostic and Interventional Neuroradiology, University Hospital of Bordeaux, Bordeaux, France.; Bourcier R; Department of Interventional Neuroradiology, Rothschild Foundation, Paris, France.; Sibon I; Neurology, University Hospital of Bordeaux, Bordeaux, France.; Dargazanli C; Department of Interventional Neuroradiology, CHRU Gui de Chauliac, Montpellier, France.; Blanc R; Department of Neuroradiology, University Hospital of Nantes, Nantes, France.; Consoli A; Diagnostic and Interventional Neuroradiology, Foch Hospital, Versailles Saint-Quentin en Yvelines University, Suresnes, France.; Eugène F; Department of Neuroradiology, University Hospital of Rennes, Rennes, France.; Vannier S; Neurology, University Hospital of Rennes, Rennes, France.; Spelle L; Neuroradiology, CHU Kremlin Bicêtre, Paris, France.; Denier C; Department of Neurology, CHU Kremlin Bicêtre, Paris, France.; Boulanger M; Department of Neurology, CHU Caen, Caen, France.; Gauberti M; Neuroradiology, CHU Caen, Caen, France.; Saleme S; Neuroradiology, CHU Limoges, Limoges, France.; Macian F; Department of Neurology, CHU Limoges, Limoges, France.; Rosso C; Department of Neurology, CHU Pitié-Salpétrière, Paris, France.; Naggara O; Neuroradiology, Hôpital Saint-Anne, Paris, France.; Turc G; Department of Neurology, Hôpital Saint-Anne, Paris, France.; Ozkul-Wermester O; Department of Neurology, CHU Rouen, Rouen, France.; Papagiannaki C; Neuroradiology, CHU Rouen, Rouen, France.; Albucher JF; Department of Neurology, CHU Toulouse, Toulouse, France.; Darcourt J; Neuroradiology, CHU Toulouse, Toulouse, France.; Le Bras A; Department of Neuroradiology, CHBA Bretagne Atlantique, Vannes, France.; Evain S; Neurology, CHBA Bretagne Atlantique, Vannes, France.; Wolff V; Department of Neurology, CHU Strasbourg, Strasbourg, France.; Pop R; Neuroradiology, CHU Strasbourg, Strasbourg, France.; Timsit S; Department of Neurology, CHU Brest, Brest, France.; Gentric JC; Neuroradiology, CHU Brest, Brest, France.; Bourdain F; Department of Neurology, CH Côte Basque, Bayonne, France.; Veunac L; Neuroradiology, CH Côte Basque, Bayonne, France.; Arquizan C; Neurology, CHRU Gui de Chauliac, Montpellier, France.; Gory B; CHRU-Nancy, Department of Diagnostic and Therapeutic Neuroradiology, Université de Lorraine, 54000, Nancy, France.; IADI, INSERM U1254, Université de Lorraine, 54000, Nancy, France.

Publisher: Springer Heidelberg Country of Publication: Germany NLM ID: 101526693 Publication Model: Print-Electronic Cited Medium: Internet ISSN: 1869-1447 (Electronic) Linking ISSN: 18691439 NLM ISO Abbreviation: Clin Neuroradiol Subsets: MEDLINE

Gory, B.; Finitsis, S.; Desilles, J.-P.; Mazighi, M.; Consoli, A.; Marnat, G.; Sibon, I.; Pop, R.; Raposo, N.; Olivot, J.-M.; Wolff, V.; Cognard, C.; Richard, S.; Moulin, S.; Soize, S.; Lapergue, B.; Wang, A.; Coskun, O.; Maria, F.D.; Pizzuto, S.; Sgreccia, A.; Benoit, C.; Gorza, L.; Weisenburger-Lile, D.; Jabeur, W.; Maia, T.; Evrard, S.; Rodesch, G.; Blanc, R.; Obadia, M.; Piotin, M.; Seners, P.; Smajda, S.; Escalard, S.; Maier, B.; Sabben, C.; Redjem, H.; Mikaelmazhigi; Adwan, G.; Delvoye, F.; Raaisi, A.A.; Boisseau, W.; Eker, O.; Cho, T.-H.; Derex, L.; Fontaine, J.; Mechtouff, L.; Nighoghossian, N.; Ong, E.; Rascle, L.; Riva, R.; Turjman, F.; Laubacher, M.; Beyragued, M.; Berthezene, Y.; Hermier, M.; Roxanna, A.; Bani-Sadr, A.; Filip, A.; Cappucci, M.; Bourcier, R.; Duport, B.D.; Alexandre, P.L.; Lenoble, C.; Hubertdesal; Gaalon, S.D.; Guillon, B.; Preterre, C.; Tessier, G.; Lionnet, A.; Humbertjean-Selton, L.; Anxionnat, R.; Derelle, A.-L.; Liao, L.; Schmitt, E.; Planel, S.; Mione, G.; Lacour, J.-C.; Douarinou, M.; Micard, E.; Chen, B.; Audibert, G.; Masson, A.; Alb, L.; Beaumont, M.; Tabarna, A.; Voicu, M.; Barthel, G.; Podar, I.; Brezeanu, M.; Reitter, M.; Zhu, F.; Liegey, J.-S.; Briau, P.; Papillon, L.; Barreau, X.; Papaxanthos, J.; Berge, J.; Debruxelles, S.; Olindo, S.; Poli, M.; Renou, P.; Sagnier, S.; Tourdias, T.; Courret, T.; Lucas, L.; Milnerowicz, M.; Dargazanli, C.; Costalat, V.; Mourand, I.; Arquizan, C.; Corti, L.; Adrien; Schiphorst, T.; Federico, C.; Derraz, I.; Mahmoudi, M.; Lefevre, P.-H.; Gascou, G.; Spelle, L.; Caroff, J.; Denier, C.; Chalumeau, V.; Mihalea, C.; Nicolaslegris; Ozanne, A.; Ikka, L.; Chassin, O.; Gallas, S.; Venditti, L.; Marianasarov; Cortese, J.; Ferre, J.-C.; Vannier, S.; Ronziere, T.; Veronica Lassalle, M.; Gauvrit, J.-Y.; Tracol, C.; Boustia, A.F.; Malrain, C.; Beaufreton, E.; Lapotre, T.; Alias, Q.; Hissier, J.; Guillen, M.; Eugene, F.; Chivot, C.; Courselle, A.; Ouin, E.; Lamy, C.; Delaforge, K.; Fernandez, M.; Vial, J.; Laferte, Q.; Desdoit, X.; Timsit, S.; Jourdain, A.; Gentric, J.-C.; Ognard, J.; Viakhireva, I.; Coris, J.; Prud'hon, S.; Merrien, F.-M.; Marechal, D.; Bruguet, M.; Rousseau, P.Y.; Goas, P.; Boulanger, M.; Touze, E.; Vivien, D.; Barbier, C.; Schneckenburger, R.; Salaris, F.; Cogez, J.; Guettier, S.; Porte, E.L.; Bouchart, J.; Mounayer, C.; Rouchaud, A.; Saleme, S.; Forestier, G.; Clarencon, F.; Rosso, C.; Leder, S.; Baronnet, F.; Crozier, S.; Leger, A.; Premat, K.; Eimad, S.; Lenck, S.; Sourour, N.; Bottin, L.; Ghazanfari, S.; Yger, M.; Alamowitch, S.; Delorme, S.; Wittwer, A.; Vassilev, C.; Naggara, O.; Turc, G.; Hassen, W.B.; Kerleroux, B.; Trystram, D.; Rodriguez-Regent, C.; Ozkul-Wermester, O.; Papagiannaki, C.; Massardier, E.; Triquenot, A.; Lefebvre, M.; Burel, J.; Viguier, A.; Januel, A.C.; Albucher, J.-F.; Calviere, L.; Darcourt, J.; Bonneville, F.; Bellanger, G.; Fontaine, L.; Tall, P.; Thalamas, C.; Geerearts, T.; Grepon, A.F.; Bourdain, F.; Bernady, P.; Ballan, G.; Bannier, S.; Ellie, E.; Flabeau, O.; Potenza, J.; Soulages, A.; Lagoarde-Segot, L.; Cailliez, H.; Veunac, L.; Higue, D.; Lebras, A.; Adam, S.; Pegat, B.; Guen, A.L.; Chedeville, F.; Jouan, J.; Demasles, S.; Richter, J.S.; Thierry Barroso, B.; Dahan, C.; Gonnet, A.; Hubrecht, R.; Lepine, Z.; Castagnet, H.; Marasescu, R.; Heck, O.; Cuisenier, P.; Detante, O.; Wiki, I.F.; Bonaz, C.; Garambois, K.; Legris, L.; Kastler, A.; Boubagra, K.; Berthet, C.; Charara, S.; Quenardelle, V.; Lauer, V.; Pierre-Paul, I.; Roxanagheoca; Trzeciak, M.; Tuan, H.V.; Pagano, P.; Doucet, A.; Gelmini, C.; Manceau, P.; Paiusan, L.; Serre, I.; Phuong Nguyen, T.N.; Sahnoun, M.; Caucheteux, N.; Ferrier, A.; Zerroug, A.; Moreno, R.; Chabert, E.; Lteif, E.; Paulineparis; Bourgois, N.; Raquin, M.; Pasco-Papon, A.; Girot, J.B.; Lecluse, A.; Godard, S.; L'allinec, V.; Janot, K.; Bibi, R.; Gaudron, M.; Bretonniere, A.; Annan, M.; Ifergan, H.; Boulouis, G.; Pasi, M.; Debiais, S.; Molinier, E.; Wietrich, A.; Ruche, V.; Lavandier, K.; Bejot, Y.; Lemogne, B.; Ricolfi, F.; Baptiste, L.; Thouant, P.; Duloquin, G.; Olivier Comby, P.; Charbonnier, G.; Bonnet, L.; Raybaud, N.; Bouamra, B.; Moulin, T.; Biondi, A.

In: World Neurosurgery. (World Neurosurgery, October 2023, 178:e282-e291)