title: Reply.
authors.affiliation: Department of Interventional Neuroradiology Hôpital Bicêtre, Assistance Publique des Hôpitaux de Paris, Paris Sud Université Paris, France.
authors.forename: J
authors.initials: J
authors.lastname: Caroff
authors.affiliation: Department of Interventional Neuroradiology Hôpital Bicêtre, Assistance Publique des Hôpitaux de Paris, Paris Sud Université Paris, France.
authors.forename: L
authors.initials: L
authors.lastname: Spelle
authors.affiliation: Department of Interventional Neuroradiology Hôpital Bicêtre, Assistance Publique des Hôpitaux de Paris, Paris Sud Université Paris, France.
authors.forename: J
authors.initials: J
authors.lastname: Moret