title: Reply.
authors.affiliation: Hôpitaux Universitaires Paris-Sud and Université Paris-Sud Le Kremlin-Bicêtre, France.
authors.forename: Gaetane
authors.initials: G
authors.lastname: Nocturne
authors.affiliation: Hôpitaux Universitaires Paris-Sud and Université Paris-Sud Le Kremlin-Bicêtre, France.
authors.forename: Raphaèle
authors.initials: R
authors.lastname: Seror
authors.affiliation: Hôpitaux Universitaires Paris-Sud and Université Paris-Sud Le Kremlin-Bicêtre, France.
authors.forename: Xavier
authors.initials: X
authors.lastname: Mariette