1. Division of Rheumatology, Department of Internal Medicine, Washington University School of Medicine, St. Louis, MO 63110, USA.
2. Division of Comparative Medicine, Department of Biological Engineering, Massachusetts Institute of Technology, Cambridge, MA 02139, USA.
3. Division of Gastroenterology, Department of Internal Medicine, Washington University School of Medicine, St. Louis, MO 63110, USA.
4. RIKEN Center for Integrative Medical Sciences, Tsurumi, Yokohama, Kanagawa 230-0045, Japan.
5. Division of Gastroenterology and Hepatology, Department of Medicine, University of Alabama at Birmingham, Birmingham, AL 35233, USA.
6. Department of Pathology, Washington University School of Medicine, St. Louis, MO 63110, USA.
7. Center for Women’s Infectious Disease Research and Division of Allergy and Immunology, Department of Medicine, Washington University School of Medicine, St. Louis, MO 63110, USA.
8. Eli Lilly and Co., Indianapolis, IN 46285, USA.