1 Department of Biomedical Sciences, Humanitas University, Pieve Emanuele, Milan, Italy and, IBD Center, Department of Gastroenterology, Humanitas Clinical and Research Center - IRCCS, Rozzano Milan, Italy and, Department of Gastroenterology and Inserm NGERE U1256, University Hospital of Nancy, University of Lorraine, Vandoeuvre-lès-Nancy, France.
2 Department of Gastroenterology and Inserm NGERE U1256, University Hospital of Nancy, University of Lorraine, Vandoeuvre-lès-Nancy, France.
3 Department of Biomedical Sciences, Humanitas University, Pieve Emanuele, Milan, Italy and, IBD Center, Department of Gastroenterology, Humanitas Clinical and Research Center - IRCCS, Rozzano Milan, Italy.