1. Departments of Interventional Neuroradiology,
2. Paris VI University, Pierre et Marie Curie, Paris; and
3. Vascular Neurology, and
4. Department of Neuroradiology and Endovascular Therapy, Jean Minjoz University Hospital, Franche Comté University School of Medecine, Besançon, France
5. Neuro-anesthesiology, Pitié-Salpêtrière Hospital;