1. Division of Gastroenterology and Hepatology, Department of Medicine Indiana University School of Medicine Indianapolis IN
2. Department of Medical Physiology Texas A&M University College of Medicine Bryan TX
3. Indiana University School of Medicine Research, Richard L. Roudebush VA Medical Center Indianapolis IN
4. Humanitas Clinical and Research Center Rozzano (MI) Italy
5. Division of Rheumatology, Allergy, and Clinical Immunology University of California at Davis Davis CA
6. Department of Molecular Medicine University of Padua School of Medicine Padua Italy
7. Digestive Disease Section Yale University School of Medicine New Haven CT
8. Department of Nutrition and Food Science Texas A&M University College Station TX
9. Department of Surgery Indiana University School of Medicine Indianapolis IN
10. Department of Pathology and Laboratory Medicine Indiana University School of Medicine Indianapolis IN