1. Department of Rheumatology (V.B., H.B.Y., L.E.-Z.), Nice F-06003, France;
2. Nice University Hospital, Archet Hospital, Faculté de Médecine (V.B., L.E.-Z., E.-Z.A.), Nice F-06003, France;
3. University Nice Sophia Antipolis, Department of Hormonolgy (P.P.-F., H.B.Y., S.F.), Nice F-06003, France;
4. Nice University Hospital, St Roch Hospital, and Department of Clinical Research (E.F.), Nice University Hospital, Cimiez Hospital, Nice F-06003, France;
5. Department of Rheumatology (C.R., S.K.), INSERM, Unité 1153, Paris Descartes University, Cochin Hospital, F-75014 Paris, France;
6. Academic Unit of Bone Metabolism (R.E., F.G.), University of Sheffield, Sheffield S10 2JF, United Kingdom;
7. Centre National de la Recherche Scientifique (H.B.Y., E.-Z.A.), Institut de Biologie Valrose Unité Mixte de Recherche 7277, F-06100 Nice, France;
8. INSERM (H.B.Y., E.-Z.A.), iBV, Unité 1091, F-06100 Nice, France;
9. INSERM (C.-L.B.), Unité 658, Centre Hospitalier Régional d'Orléans, F-45032 Orléans Cedex 1, France