1. Department of Internal Medicine
2. Department of Rheumatology, CHU Rennes, University of Rennes 1
3. Department of Rheumatology, Rennes University Hospital, University Rennes; Inserm UMR 1241, Inra, Institut NUMECAN (Nutrition Metabolisms and Cancer), University Rennes
4. Department of Anatomopathology, CHU Rennes, University of Rennes 1
5. Département de Santé Publique, CHU de Rennes, Univ Rennes, Inserm, EHESP, Irset (Institut de recherche en santé, environnement et travail), UMR_S 1085 , Rennes
6. Rheumatology Department, CHU de Brest, Univ Brest, Inserm, LBAI, UMR1227 , Brest
7. Department of Internal Medicine, CHRU Tours , Tours
8. Department of Rheumatology, CH Dinan , Dinan, France