[1] Univ Amsterdam, Acad Med Ctr, Tytgat Inst Liver & Intestinal Res, NL-1105 BK Amsterdam, Netherlands
[2] Univ Penn, Dept Microbiol, Perelman Sch Med, Philadelphia, PA 19104 USA
[3] Univ Penn, Inst Immunol, Perelman Sch Med, Philadelphia, PA 19104 USA
[4] Washington Univ, Sch Med, Dept Pathol & Immunol, St Louis, MO 63110 USA
[5] Univ Freiburg, Inst Med Microbiol & Hyg, D-79104 Freiburg, Germany
[6] Inst Pasteur, Innate Immun Unit, F-75724 Paris, France
[7] Inst Pasteur, Dev Lymphoid Tissues Unit, F-75724 Paris, France
[8] CREST, Dept Microbiol & Immunol, Chiyoda Ku, Tokyo 1020075, Japan
[9] RIKEN, Res Ctr Allergy & Immunol, Lab Immune Cell Syst, Yokohama, Kanagawa 2300045, Japan
[10] Univ Calif San Francisco, Howard Hughes Med Inst, San Francisco, CA 94143 USA
[11] MRC, Mol Biol Lab, Cambridge CB2 0QH, England
[12] Vrije Univ Amsterdam, Med Ctr, Dept Mol Cell Biol & Immunol, NL-1007 MB Amsterdam, Netherlands
[13] Univ Oxford, John Radcliffe Hosp, Nuffield Dept Clin Med, Translat Gastroenterol Unit, Oxford OX3 9DU, England
[14] INSERM, U1104, Ctr Immunol Marseille Luminy, F-13009 Marseille, France
[15] CNRS, UMR7280, F-13288 Marseille, France