title: Authors' response.
authors.forename: Julien
authors.initials: J
authors.lastname: Maizel
authors.forename: Michel
authors.initials: M
authors.lastname: Slama
mesh_terms: D002405:Catheterization, Central Venous / Q000379:methods*; D002983:Clinical Competence; D006801:Humans; D007318:Inservice Training / Q000379:methods*; D007396:Internship and Residency / Q000379:methods*; D018084:Ultrasonography, Interventional / Q000379:methods*