1. Rheumatology department University Hospital Center of Rennes, France
2. Internal Medicine and Clinical Immunology department University Hospital Center of Rennes, France
3. Univ Rennes, CHU Rennes, Inserm EHESP, Irset (Institut de recherche en santé, environnement et travail) – UMR_S 1085 F‐35000 Rennes France
4. Internal Medicine department University Hospital Center of Tours, France
5. Rheumatology department University Hospital Center of Fort‐de‐France, France
6. Rheumatology department Hospital Center of Dinan, France