title: Response to the Letter by Trovas.
authors.affiliation: Bone Unit, Lausanne University Hospital, 1011 Lausanne, Switzerland.
authors.forename: Olivier
authors.initials: O
authors.lastname: Lamy
authors.affiliation: Bone Unit, Lausanne University Hospital, 1011 Lausanne, Switzerland.
authors.forename: Elena
authors.initials: E
authors.lastname: Gonzalez-Rodriguez
authors.affiliation: Bone Unit, Lausanne University Hospital, 1011 Lausanne, Switzerland.
authors.forename: Bérengère
authors.initials: B
authors.lastname: Aubry-Rozier