1 Department of internal medicine and clinical immunology, university of Rennes 1, CHU Rennes, Rennes, France. Electronic address: leila.caillault@chu-rennes.fr.
2 Department of internal medicine and clinical immunology, university of Rennes 1, CHU Rennes, Rennes, France; Department of rheumatology, CH Dinan, Dinan, France.
3 Inserm, Inra, department of rheumatology, Institut NUMECAN (Nutrition Metabolism and Cancer), CHU Rennes, 35000 Rennes, France.
4 Inserm CIC1414, UPRES EA 7449 REPERES (Pharmacoepidemiology and access to health care), University Rennes 1 and French School of Public Health, department of dermatology, university of Rennes 1, CHU Rennes, Rennes, France.
5 Department of internal medicine and clinical immunology, university of Rennes 1, CHU Rennes, Rennes, France; Inserm, EHESP, Irset (Institut de recherche en santé, environnement et travail) - UMR_S 1085, university of Rennes, CHU Rennes, 35000 Rennes, France.