부산대학교 도서관

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

Tournier L; Interventional Neuroradiology, NEURI Brain Vascular Center, Bicêtre Hospital, Le Kremlin-Bicêtre, France.; Cortese J; Interventional Neuroradiology, NEURI Brain Vascular Center, Bicêtre Hospital, Le Kremlin-Bicêtre, France.; Paris-Saclay University Faculty of Medicine, Le Kremlin-Bicêtre, France.; Consoli A; Department of Therapeutic and Interventional Neuroradiology, Hospital Foch, Suresnes, France.; Spelle L; Interventional Neuroradiology, NEURI Brain Vascular Center, Bicêtre Hospital, Le Kremlin-Bicêtre, France.; Paris-Saclay University Faculty of Medicine, Le Kremlin-Bicêtre, France.; Marnat G; Interventional and Diagnostic Neuroradiology, Bordeaux University Hospital, Bordeaux, France.; Sarov M; Neurology, Hopital Bicêtre, Le Kremlin-Bicêtre, France.; Zhu F; Service de Neuroradiologie Diagnostique et Thérapeutique, CHRU Nancy, Nancy, France.; Soize S; Neuroradiology, University Hospital Centre Reims Medical Imaging, Reims, France.; Burel J; Department of Radiology, CHU de Rouen, Rouen, France.; Forestier G; Department of Interventional Neuroradiology, Centre Hospitalier Universitaire de Limoges, Limoges, France.; Escalard S; Interventional Neuroradiology, Fondation Rothschild Hospital, Paris, France.; Pop R; Interventional Neuroradiology, University Hospitals Strasbourg, Strasbourg, France.; Bonnet B; Neuroradiology, Hôpital Pitié-Salpétrière, Paris, France.; Alias Q; Neuroradiology, University Hospital of Rennes, Rennes, France.; Ognard J; Department of Neuroradiology, University and Regional Hospital Centre Brest, Brest, France.; Naggara O; Department of Neuroradiology, Center Hospitalier Sainte-Anne, Université Paris Descartes Faculté de Médecine, Paris, France.; Kyheng M; Santé publique: épidémiologie et qualité des soins, University of Lille, Lille, France.; Lapergue B; Department of Neurology and Stroke Center, Hospital Foch, Suresnes, France.; Caroff J; Interventional Neuroradiology, NEURI Brain Vascular Center, Bicêtre Hospital, Le Kremlin-Bicêtre, France jildaz.caroff@aphp.fr.; Paris-Saclay University Faculty of Medicine, Le Kremlin-Bicêtre, France.; UMR-S INSERM U1176, Paris-Saclay University, Le Kremlin-Bicetre, 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

Popica DA; Department of Interventional Neuroradiology, NEURI Brain Vascular Center, Bicetre Hospital, Le Kremlin-Bicetre, France.; Cortese J; Department of Interventional Neuroradiology, NEURI Brain Vascular Center, Bicetre Hospital, Le Kremlin-Bicetre, France jonathan.cortese@aphp.fr.; INSERM U1195, Paris-Saclay University Faculty of Medicine, Paris, France.; Department of Radiology, Mayo Clinic Minnesota, Rochester, Minnesota, USA.; Oliver AA; Department of Radiology, Mayo Clinic Minnesota, Rochester, Minnesota, USA.; Plaforet V; Department of Interventional Neuroradiology, NEURI Brain Vascular Center, Bicetre Hospital, Le Kremlin-Bicetre, France.; Molina Diaz I; Department of Interventional Neuroradiology, NEURI Brain Vascular Center, Bicetre Hospital, Le Kremlin-Bicetre, France.; Rodriguez-Erazú F; Department of Interventional Neuroradiology, NEURI Brain Vascular Center, Bicetre Hospital, Le Kremlin-Bicetre, France.; Department of Neurosurgery, Lyerly Neurosurgery, Baptist Neurological Institute, Jacksonville, Florida, USA.; Ikka L; Department of Interventional Neuroradiology, NEURI Brain Vascular Center, Bicetre Hospital, Le Kremlin-Bicetre, France.; Mihalea C; Department of Interventional Neuroradiology, NEURI Brain Vascular Center, Bicetre Hospital, Le Kremlin-Bicetre, France.; Department of Neurosurgery, University of Medicine and Pharmacy Victor Babes Timisoara, Timisoara, Romania.; Chalumeau V; Department of Interventional Neuroradiology, NEURI Brain Vascular Center, Bicetre Hospital, Le Kremlin-Bicetre, France.; Kallmes DF; Department of Radiology, Mayo Clinic Minnesota, Rochester, Minnesota, USA.; Caroff J; Department of Interventional Neuroradiology, NEURI Brain Vascular Center, Bicetre Hospital, Le Kremlin-Bicetre, France.; Haemostasis Inflammation Thrombosis, INSERM U1176, Paris-Saclay University Faculty of Medicine, Le Kremlin-Bicetre, France.; Spelle L; Department of Interventional Neuroradiology, NEURI Brain Vascular Center, Bicetre Hospital, Le Kremlin-Bicetre, France.; INSERM U1195, Paris-Saclay University Faculty of Medicine, Paris, 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

Spelle L; NEURI The Brain Vascular Center, Interventional Neuroradiology, Bicetre Hospital, Assitance Publique - Hôpitaux de Paris, Le Kremlin-Bicetre, France laurent@spelle.fr.; Paris-Saclay University Faculty of Medicine, Le Kremlin-Bicetre, France.; Costalat V; Department of Interventional Neuroradiology, Hôpital Gui de Chauliac, Montpellier, France.; Caroff J; NEURI The Brain Vascular Center, Interventional Neuroradiology, Bicetre Hospital, Assitance Publique - Hôpitaux de Paris, Le Kremlin-Bicetre, France.; Paris-Saclay University Faculty of Medicine, Le Kremlin-Bicetre, France.; Wodarg F; Department of Neuroradiology, Universitätsklinikum Schleswig-Holstein, Kiel, Germany.; Fischer S; Department of Neuroradiology, Universitätsklinikum Knappschaftskrankenhaus Bochum, Ruhr-Universität Bochum Medizinische Fakultät, Bochum, Germany.; Herbreteau D; Department of Neuroradiology, CHU Tours, Tours, France.; Möhlenbruch MA; Department of Neuroradiology, UniversitatsKlinikum Heidelberg, Heidelberg, Germany.; Januel AC; Department of Diagnostic and Therapeutic Neuroradiology, Pierre Paul Riquet Hospital, Toulouse, France.; Papagiannaki C; Department of Interventional Neuroradiology, CHU de Rouen, Rouen, France.; Klisch J; Department of Neuroradiology, HELIOS Klinikum, Erfurt, Germany.; Numminen J; Department of Neuroradiology, Helsinki University Central Hospital, Helsinki, Finland.; Rautio R; Department of Radiology, Turku University Hospital, Turku, Finland.; Berlis A; Department of Neuroradiology, University Hospital Augsburg, Augsburg, Germany.; Mihalea C; NEURI The Brain Vascular Center, Interventional Neuroradiology, Bicetre Hospital, Assitance Publique - Hôpitaux de Paris, Le Kremlin-Bicetre, France.; Chalumeau V; NEURI The Brain Vascular Center, Interventional Neuroradiology, Bicetre Hospital, Assitance Publique - Hôpitaux de Paris, Le Kremlin-Bicetre, France.; Downer J; Department of Clinical Neurosciences, Royal Infirmary of Edinburgh, Edinburgh, UK.; Department of Clinical Neurosciences, University of Edinburgh Division of Clinical and Surgical Sciences, Edinburgh, UK.; Cortese J; NEURI The Brain Vascular Center, Interventional Neuroradiology, Bicetre Hospital, Assitance Publique - Hôpitaux de Paris, Le Kremlin-Bicetre, France.; Paris-Saclay University Faculty of Medicine, Le Kremlin-Bicetre, France.; Ikka L; NEURI The Brain Vascular Center, Interventional Neuroradiology, Bicetre Hospital, Assitance Publique - Hôpitaux de Paris, Le Kremlin-Bicetre, France.; Gallas S; NEURI The Brain Vascular Center, Interventional Neuroradiology, Bicetre Hospital, Assitance Publique - Hôpitaux de Paris, Le Kremlin-Bicetre, France.; Bester M; Department of Diagnostic and Interventional Neuroradiology, University Medical Center Hamburg-Eppendorf, Hamburg, Germany.; Liebig T; Department of Neuroradiology, Ludwig-Maximilian University Hospital, Munchen, Germany.; Velasco S; Department of Radiology, CHU Poitiers, Poitiers, France.; Grimaldi L; Paris-Saclay University Faculty of Medicine, Le Kremlin-Bicetre, France.; Clinical research unit, Bicetre Hospital, Assitance Publique - Hôpitaux de Paris, Le Kremlin-Bicetre, France.; Byrne J; Department of Neuroradiology, John Radcliffe Hospital, Oxford, UK.; Szikora I; Department of Neuroradiology, National Institute of Clinical Neurosciences, Budapest, Hungary.; Pierot L; Department of Neuroradiology, Maison Blanche Hospital, Reims-Champagne-Ardenne University, Reims, France.; Cognard C; Department of Diagnostic and Therapeutic Neuroradiology, Pierre Paul Riquet Hospital, Toulouse, 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

Cortese J; Department of Radiology, Mayo Clinic, Rochester, MN, USA cortese.jonathan@mayo.edu.; NEURI Vascular Center, Bicetre Hospital Interventional Neuroradiology, Le Kremlin-Bicetre, France.; University Paris-Saclay, INSERM U1195, Paris, France.; Juhasz J; NEURI Vascular Center, Bicetre Hospital Interventional Neuroradiology, Le Kremlin-Bicetre, France.; Department of Diagnostic and Interventional Neuroradiology, Universitatsmedizin Gottingen, Gottingen, Germany.; Rodriguez-Erazú F; NEURI Vascular Center, Bicetre Hospital Interventional Neuroradiology, Le Kremlin-Bicetre, France.; Lyerly Neurosurgery, Jacksonville, Florida, USA.; Ghozy S; Department of Radiology, Mayo Clinic, Rochester, MN, USA.; Department of Neurologic Surgery, Mayo Clinic Minnesota, Rochester, Minnesota, USA.; Bayraktar EA; Department of Radiology, Mayo Clinic, Rochester, MN, USA.; Mihalea C; NEURI Vascular Center, Bicetre Hospital Interventional Neuroradiology, Le Kremlin-Bicetre, France.; Department of Neurosurgery, University of Medicine and Pharmacy Victor Babes, Timisoara, Romania.; Zarrintan A; Department of Radiology, Mayo Clinic, Rochester, MN, USA.; Ueki Y; Department of Radiology, Mayo Clinic, Rochester, MN, USA.; Caroff J; NEURI Vascular Center, Bicetre Hospital Interventional Neuroradiology, Le Kremlin-Bicetre, France.; INSERM U1176 Hémostase Inflammation Thrombose, Le Kremlin-Bicetre, France.; Kallmes DF; Department of Radiology, Mayo Clinic, Rochester, MN, USA.; Spelle L; NEURI Vascular Center, Bicetre Hospital Interventional Neuroradiology, Le Kremlin-Bicetre, France.; University Paris-Saclay, INSERM U1195, Paris, France.; Kadirvel R; Department of Neurologic Surgery, Mayo Clinic Minnesota, Rochester, Minnesota, USA.; Department of Neurologic Surgery, Mayo Clinic, Rochester, Minnesota, USA.

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

Forestier G; Neuroradiology Department, University Hospital of Limoges, Dupuytren, Limoges, France. Electronic address: geraudforestier@gmail.com.; Piotin M; Department of Interventional Neuroradiology, FHU NeuroVasc, Adolphe de Rothschild Foundation Hospital, Paris, France; Laboratory for Vascular Translational Science UMRS 1148, INSERM, Paris, France.; Chau Y; Department of Neuro-Interventional and Vascular Interventional, University Hospital of Nice, Nice, France.; Derelle AL; Department of Diagnostic and Therapeutic Neuroradiology, CHRU-Nancy, Université de Lorraine, Nancy, France.; Brunel H; Department of Neuroradiology, APHM, Marseille, France.; Aggour M; Department of Neuroradiology, University Hospital of Saint-Étienne, Saint-Étienne, France.; Saleme S; Neuroradiology Department, University Hospital of Limoges, Dupuytren, Limoges, France.; Levrier O; Department of Interventional Neuroradiology, Polyclinique Clairval, Marseille, France.; Pierot L; Department of Interventional Neuroradiology, University Hospital of Reims, Reims, France.; Barreau X; Department of Interventional Neuroradiology, Pellegrin Hospital, University Hospital of Bordeaux, Bordeaux, France.; Boubagra K; Department of Interventional Neuroradiology, University Hospital of Grenoble, Grenoble, France.; Janot K; Department of Diagnostic and Interventional Neuroradiology, Tours University Hospital, Tours, France.; Barbier C; Department of Diagnostic and Interventional Neuroradiology, University Hospital of Caen, Caen, France.; Clarençon F; Department of Interventional Neuroradiology, Sorbonne University, AP-HP, Pitié Salpêtrière - Charles Foix Hospital, Paris, France; GRC BioFast, Sorbonne University, Paris VI, France.; Chabert E; Department of Diagnostic and Interventional Neuroradiology, University Hospital of Clermont-Ferrrand, Clermont-Ferrand, France.; Spelle L; NEURI Brain Vascular Center, Interventional Neuroradiology, Bicetre University-Hospital, Le Kremlin-Bicetre, France.; Arteaga C; Radiology Department, Sainte-Anne Hospital, Toulon, France.; Consoli A; Interventional and Diagnostic Neuroradiology, Foch Hospital, University of Versailles Saint-Quentin-des-Yvelines, France.; Machi P; Diagnostic and Interventional Neuroradiology department, Geneva University Hospitals, Geneva, Switzerland.; Blanc R; Department of Interventional Neuroradiology, FHU NeuroVasc, Adolphe de Rothschild Foundation Hospital, Paris, France; Laboratory for Vascular Translational Science UMRS 1148, INSERM, Paris, France.; Rodesch G; Interventional and Diagnostic Neuroradiology, Foch Hospital, University of Versailles Saint-Quentin-des-Yvelines, France.; Cortese J; NEURI Brain Vascular Center, Interventional Neuroradiology, Bicetre University-Hospital, Le Kremlin-Bicetre, France; Faculty of Medicine, Paris-Saclay University, INSERM U1195, Le Kremlin-Bicetre, France.; Sourour N; Department of Interventional Neuroradiology, Sorbonne University, AP-HP, Pitié Salpêtrière - Charles Foix Hospital, Paris, France.; Herbreteau D; Department of Diagnostic and Interventional Neuroradiology, Tours University Hospital, Tours, France.; Heck O; Department of Interventional Neuroradiology, University Hospital of Grenoble, Grenoble, France.; Soize S; Department of Interventional Neuroradiology, University Hospital of Reims, Reims, France.; Marnat G; Department of Interventional Neuroradiology, Pellegrin Hospital, University Hospital of Bordeaux, Bordeaux, France.; Rouchaud A; Neuroradiology Department, University Hospital of Limoges, Dupuytren, Limoges, France; CNRS, XLIM, UMR 7252, Limoges 87000, France.; Anxionnat R; Department of Diagnostic and Therapeutic Neuroradiology, CHRU-Nancy, Université de Lorraine, Nancy, France.; Sedat J; Department of Neuro-Interventional and Vascular Interventional, University Hospital of Nice, Nice, France.; Mounayer C; Neuroradiology Department, University Hospital of Limoges, Dupuytren, Limoges, France; CNRS, XLIM, UMR 7252, Limoges 87000, France.

Publisher: Masson Country of Publication: France NLM ID: 7705086 Publication Model: Print-Electronic Cited Medium: Internet ISSN: 0150-9861 (Print) Linking ISSN: 01509861 NLM ISO Abbreviation: J Neuroradiol Subsets: MEDLINE

Cortese J; NEURI -Brain vascular center- Interventional Neuroradiology, Bicetre University-Hospital, Le Kremlin-Bicetre, France jonathan.cortese@aphp.fr.; INSERM U1195, Paris-Saclay University, Le Kremlin-Bicêtre, France.; XLIM UMR CNRS, University of Limoges, Limoges, France.; Forestier G; XLIM UMR CNRS, University of Limoges, Limoges, France.; Neuroradiology department, University Hospital of Limoges, Limoges, Limousin, France.; Bardet SM; XLIM UMR CNRS, University of Limoges, Limoges, France.; UMR CNRS no 7252, XLIM, Limoges, Aquitaine, France.; Perrin ML; XLIM UMR CNRS, University of Limoges, Limoges, France.; Baudouin M; XLIM UMR CNRS, University of Limoges, Limoges, France.; Neuroradiology department, University Hospital of Limoges, Limoges, Limousin, France.; Belgacem A; XLIM UMR CNRS, University of Limoges, Limoges, France.; Chauvet R; XLIM UMR CNRS, University of Limoges, Limoges, France.; Vascular Surgery, Limoges University-Hospital, Limoges, Nouvelle-Aquitaine, France.; Ratsimbazafy V; Pharmacy department, Limoges University-Hospital, Limoges, France.; IFR 145 GEIST, Institut d'Epidemiologie Neurologique et de Neurologie Tropicale, INSERM, UMR, University of Limoges, Limoges, France.; Sasselina G; XLIM UMR CNRS, University of Limoges, Limoges, France.; Chandellier D; XLIM UMR CNRS, University of Limoges, Limoges, France.; Mounier J; XLIM UMR CNRS, University of Limoges, Limoges, France.; Couquet C; XLIM UMR CNRS, University of Limoges, Limoges, France.; Bosselut F; XLIM UMR CNRS, University of Limoges, Limoges, France.; Spelle L; NEURI -Brain vascular center- Interventional Neuroradiology, Bicetre University-Hospital, Le Kremlin-Bicetre, France.; INSERM U1195, Paris-Saclay University, Le Kremlin-Bicêtre, France.; Mounayer C; XLIM UMR CNRS, University of Limoges, Limoges, France.; Neuroradiology department, University Hospital of Limoges, Limoges, Limousin, France.; Terro F; XLIM UMR CNRS, University of Limoges, Limoges, France.; Cell Biology, Limoges University, Limoges, Nouvelle-Aquitaine, France.; Rouchaud A; XLIM UMR CNRS, University of Limoges, Limoges, France.; Neuroradiology department, University Hospital of Limoges, Limoges, Limousin, 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

Fiehler J; Department of Neuroradiology, University Medical Center Hamburg-Eppendorf, Hamburg, Germany fiehler@uke.de.; Ortega-Gutierrez S; Neurology, University of Iowa Hospitals and Clinics, Iowa City, Iowa, USA.; Neurosurgery and Radiology, University of Iowa Hospitals and Clinics, Iowa City, Iowa, USA.; Anagnostakou V; Department of Radiology, New England Center for Stroke Research, University of Massachusetts Chan Medical School, Worcester, Massachusetts, USA.; Cortese J; Interventional Neuroradiology, Biĉetre Hospital, Le Kremlin Biĉetre, France.; UMR CNRS No. 7252, XLIM, Limoges, France.; Cekirge HS; Radiology, Koru Health Group, Ankara, Turkey.; Private Office, Saruhan Cekirge, Ankara, Turkey.; Fiorella D; Department of Neurosurgery, Stony Brook University, Stony Brook, New York, USA.; Hanel R; Stroke & Cerebrovascular Center, Baptist Neurological Institute and Lyerly Neurosurgery, Jacksonville, Florida, USA.; Kulcsar Z; Neuroradiology, University Hospital Zurich, Zurich, Switzerland.; Lamin S; Interventional Neuroradiology and Radiology, Queen Elizabeth Hospital Birmingham, Birmingham, UK.; Neuroradiology, University Hospital Birmingham, Birmingham, UK.; Liu J; Neurosurgery, Naval Medical University, Shanghai, China.; Lylyk P; Interventional Neuroradiology, Clinical Institute ENERI, Buenos Aires, Argentina.; Marden FA; Alexian Brothers Medical Center, Elk Grove Village, Illinois, USA.; Pereira VM; Department of Neurosurgery, Unity Health Toronto, Toronto, Ontario, Canada.; Psychogios MN; Department of Neuroradiology, Clinic of Radiology and Nuclear Medicine, University Hospital Basel, Basel, Switzerland.; Rice H; Department of Interventional Neuroradiology, Gold Coast University Hospital, Southport, Queensland, Australia.; Rouchaud A; Interventional Neuroradiology, Centre Hospitalier Universitaire de Limoges, Limoges, France.; University of Limoges, CNRS, XLIM, UMR 7252, Limoges, France.; Saatci I; Radiology, Koru Health Group, Ankara, Turkey.; Siddiqui AH; Neurosurgery and Radiology, and Canon Stroke and Vascular Research Center, University at Buffalo Jacobs School of Medicine and Biomedical Sciences, Buffalo, New York, USA.; Neurosurgery, Gates Vascular Institute, Buffalo, New York, USA.; Spelle L; Interventional Neuroradiology, NEURI Brain Vascular Center, Biĉetre Hospital, Le Kremlin Biĉetre, France.; Paris-Saclay University Faculty of Medicine, Le Kremlin Biĉetre, France.; Yang P; Department of Neurosurgery, Naval Medical University Changhai Hospital, Shanghai, China.; Grams A; Department of Neuroradiology, Medical University of Innsbruck, Innsbruck, Austria.; Gounis MJ; Department of Radiology, New England Center for Stroke Research, University of Massachusetts Chan Medical School, Worcester, Massachusetts, USA.

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

Premat K; Department of Interventional Neuroradiology, Sorbonne Université, APHP, Pitié-Salpêtrière Hospital, Paris, France kevin.premat@aphp.fr.; Dechartres A; Sorbonne Université, INSERM, Institut Pierre Louis d'Epidémiologie et de Santé Publique, AP-HP, Hôpital Pitié Salpêtrière, Département de Santé Publique, Paris, France.; Baptiste A; Clinical Research Unit, Sorbonne Université, APHP, Hôpital Pitié-Salpêtrière, Paris, France.; Guedon A; Department of Neuroradiology, Lariboisière Hospital, Paris, France.; Mazighi M; Department of Vascular Neurology, Lariboisière Hospital, Paris, France.; Spelle L; NEURI The Brain Vascular Center, Bicetre Hospital Interventional Neuroradiology, Le Kremlin-Bicetre, France.; Paris-Saclay University Faculty of Medicine, Le Kremlin-Bicetre, France.; Denier C; Department of Neurology, Hopital Bicetre, Le Kremlin-Bicetre, France.; Tuilier T; Department of Neuroradiology, Henri-Mondor Hospital, Creteil, France.; Hosseini H; Department of Vascular Neurology, Henri-Mondor Hospital, Créteil, France.; Lapergue B; Department of Vascular Neurology, Foch Hospital, Suresnes, France.; Di Maria F; Department of Interventional and Diagnostic Neuroradiology, Foch Hospital, Suresnes, France.; Bricout N; Department of Neuroradiology, Lille University Hospital, Lille, France.; Henon H; Department of Vascular Neurology, Lille University Hospital, Lille, France.; Gory B; Department of Diagnostic and Therapeutic Neuroradiology, CHRU de Nancy, Nancy, France.; Richard S; Neurology Stroke Unit, University Hospital Centre Nancy, Nancy, France.; Chivot C; Department of Radiology, Amiens University Hospital, Amiens, France.; Courselle A; Department of Neurology, Amiens University Hospital, Amiens, France.; Velasco S; Department of Radiology, Poitiers University Medical Center, Poitiers, France.; Lamy M; Department of Neurology, Poitiers University Medical Center, Poitiers, France.; Costalat V; Department of Neuroradiology, CHRU Gui de Chauliac, Montpellier, France.; Arquizan C; Department of Neurology, CHRU Gui de Chauliac, Montpellier, France.; Marnat G; Department of Interventional and Diagnostic Neuroradiology, Bordeaux University Hospital, Bordeaux, France.; Sibon I; Department of Neurology, Bordeaux University Hospital, Bordeaux, France.; Lenck S; Department of Interventional Neuroradiology, Sorbonne Université, APHP, Pitié-Salpêtrière Hospital, Paris, France.; Shotar E; Department of Interventional Neuroradiology, Sorbonne Université, APHP, Pitié-Salpêtrière Hospital, Paris, France.; Allard J; Department of Interventional Neuroradiology, Sorbonne Université, APHP, Pitié-Salpêtrière Hospital, Paris, France.; Sourour N; Department of Interventional Neuroradiology, Sorbonne Université, APHP, Pitié-Salpêtrière Hospital, Paris, France.; Degos V; Department of Anesthesiology and NeuroIntensive Care, Sorbonne Université, APHP, Pitié-Salpêtrière Hospital, Paris, France.; Alamowitch S; Department of Neurology, Sorbonne Université, APHP, Pitié-Salpêtrière Hospital, Paris, France.; Clarençon F; Department of Interventional Neuroradiology, Sorbonne Université, APHP, Pitié-Salpêtrière Hospital, Paris, 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

Sgreccia A; Diagnostic and Interventional Neuroradiology, Foch Hospital, Suresnes, France (A.S., B.L., A.C.).; Desilles JP; Department of Interventional Neuroradiology, Rothschild Foundation Hospital, Paris, France (J.-P.D., M.P.).; Costalat V; Department of Neuroradiology, Hôpital Gui de Chauliac, Montpellier University Medical Center, France (V.C., C.D.).; Dargazanli C; Department of Neuroradiology, Hôpital Gui de Chauliac, Montpellier University Medical Center, France (V.C., C.D.).; Bourcier R; Department of Diagnostic and Interventional Neuroradiology, University Hospital of Nantes, France (R.B., G.T.).; Tessier G; Department of Diagnostic and Interventional Neuroradiology, University Hospital of Nantes, France (R.B., G.T.).; Rouchaud A; Interventional Neuroradiology Department, Centre Hospitalier Universitaire Limoges, France (A.R., S.S.).; Saleme S; Interventional Neuroradiology Department, Centre Hospitalier Universitaire Limoges, France (A.R., S.S.).; Spelle L; Interventional Neuroradiology Department, Kremlin Bicêtre Hospital, France (L.S., J.C.).; Caroff J; Interventional Neuroradiology Department, Kremlin Bicêtre Hospital, France (L.S., J.C.).; Marnat G; Interventional Neuroradiology Department, Centre Hospitalier Régional Universitaire Bordeaux, France (G.M., X.B.).; Barreau X; Interventional Neuroradiology Department, Centre Hospitalier Régional Universitaire Bordeaux, France (G.M., X.B.).; Clarençon F; Department of Neuroradiology, Pitié-Salpêtrière Hospital, Paris, France (F.C., E.S.).; Shotar E; Department of Neuroradiology, Pitié-Salpêtrière Hospital, Paris, France (F.C., E.S.).; Eugene F; Department of Neuroradiology, Centre Hospitalier Universitaire de Rennes, France (F.E.).; Houdart E; Department of Neuroradiology, Lariboisière Hospital, Paris, France (E.H.).; Gory B; Department of Neuroradiology, Centre Hospitalier Universitaire de Rennes, France (B.G., F.Z.).; Zhu F; Department of Neuroradiology, Centre Hospitalier Universitaire de Rennes, France (B.G., F.Z.).; Labreuche J; Department of Biostatistics, Centre Hospitalier Universitaire Lille, Equipe d'accueil 2694 Santé Publique: Epidémiologie et Qualité des Soins, University Lille, France (J.L.).; Piotin M; Department of Interventional Neuroradiology, Rothschild Foundation Hospital, Paris, France (J.-P.D., M.P.).; Lapergue B; Diagnostic and Interventional Neuroradiology, Foch Hospital, Suresnes, France (A.S., B.L., A.C.).; Consoli A; Diagnostic and Interventional Neuroradiology, Foch Hospital, Suresnes, France (A.S., B.L., A.C.).

Publisher: Lippincott Williams & Wilkins Country of Publication: United States NLM ID: 0235266 Publication Model: Print-Electronic Cited Medium: Internet ISSN: 1524-4628 (Electronic) Linking ISSN: 00392499 NLM ISO Abbreviation: Stroke Subsets: MEDLINE