title: The authors reply.
authors.affiliation: AP-HP, Hôpital Louis Mourier, Service de Réanimation Médico-Chirurgicale, Colombes, France, and Université Paris Diderot, Sorbonne Paris Cité, UMRS-722, Paris, France; Service de Réanimation Médicale, Hôpital Pellegrin-Tripode, Bordeaux, France; AP-HP, Hôpital Louis Mourier, Département de Santé Publique, Colombes, France; AP-HP, Hôpital Saint-Louis, Service de Réanimation Médicale, Paris, France; AP-HP, Hôpital Louis Mourier, Service de Réanimation Médico-Chirurgicale, Colombes, France, and Université Paris Diderot, Sorbonne Paris Cité, UMRS-722, Paris, France; on behalf of all the authors.
authors.forename: Jean-Damien
authors.initials: JD
authors.lastname: Ricard
authors.forename: Alexandre
authors.initials: A
authors.lastname: Boyer
authors.forename: Laurence
authors.initials: L
authors.lastname: Salomon
authors.forename: Guillaume
authors.initials: G
authors.lastname: Thiery
authors.forename: Didier
authors.initials: D
authors.lastname: Dreyfuss
mesh_terms: D002405:Catheterization, Central Venous / Q000706:statistics & numerical data*; D002406:Catheterization, Peripheral / Q000706:statistics & numerical data*; D005260:Female; D006801:Humans; D008297:Male