[1] Univ Lorraine, INSERM U954, Allee Morvan, F-54511 Vandoeuvre Les Nancy, France
[2] Univ Lorraine, Dept Hepatogastroenterol, Allee Morvan, F-54511 Vandoeuvre Les Nancy, France
[3] Univ Hosp, EPIMAD Registry, Publ Hlth Epidemiol & Econ Hlth, Reg House Clin Res, F-59000 Lille, France
[4] Univ Hosp, INSERM, UMR 995, Int Ctr Inflammat Res LIRIC, F-59000 Lille, France
[5] IBD & Environm Factors Epidemiol & Funct Anal Grp, F-59000 Lille, France