[1] CHU Tours, Rheumatol Dept, Tours, France
[2] Univ Tours, CNRS, UPR 4301, NMNS,CBM, Tours, France
[3] CHU Besancon, Gastroenterol Dept, Besancon, France
[4] Univ Franche Comte, Inserm, UMR RIGHT, Besancon, France
[5] Univ Franche Comte, CHU Besancon, Rheumatol Dept, EA 4266, Besancon, France
[6] CHU Tours, Trousseau Hosp, Rheumatol Dept, F-37044 Tours 9, France