1 Microbes, Intestin, Inflammation et Susceptibilité de l'Hôte, INSERM U1071 USC-INRAE 2018, Université Clermont Auvergne, Clermont-Ferrand, France.
2 Team "Mucosal microbiota in chronic inflammatory diseases," CNRS UMR 8104, INSERM U1016, Université de Paris, Paris, France. Electronic address: benoit.chassaing@inserm.fr.