title: [Authors' response to the letter on the editorial: "HAS report on vitamin D measurement: Don't go from an extreme situation to another as extreme situation"].
authors.affiliation: AP-HP, hôpital Necker-enfants malades, service d'explorations fonctionnelles, 75015 Paris, France. Electronic address: jean-claude.souberbielle@nck.aphp.fr.
authors.forename: Jean-Claude
authors.initials: JC
authors.lastname: Souberbielle
authors.affiliation: CHU de Lille, service de rhumatologie, 59037 Lille, France.
authors.forename: Bernard
authors.initials: B
authors.lastname: Cortet
authors.affiliation: AP-HP, hôpital Cochin, service de rhumatologie B, 75014 Paris, France.
authors.forename: Christian
authors.initials: C
authors.lastname: Roux
authors.affiliation: Centre hospitalier régional d'Orléans, service de rhumatologie, 45000 Orléans, France.
authors.forename: Claude-Laurent
authors.initials: CL
authors.lastname: Benhamou
authors.affiliation: CHU d'Amiens, service de rhumatologie, 80054 Amiens cedex 1, France.
authors.forename: Patrice
authors.initials: P
authors.lastname: Fardelonne
authors.affiliation: AP-HP, hôpital Saint-Antoine, service de rhumatologie, 75012 Paris, France.
authors.forename: Mickael
authors.initials: M
authors.lastname: Rousière
authors.affiliation: CHU de Saint-Étienne, service de rhumatologie, 42055 Saint-Étienne cedex 2, France.
authors.forename: Thierry
authors.initials: T
authors.lastname: Thomas
mesh_terms: D006801:Humans; D014807:Vitamin D / Q000097:blood*; D014808:Vitamin D Deficiency / Q000175:diagnosis*
chemical_list: D014807:Vitamin D