1. Department of Medicine Indiana University School of Medicine Indianapolis Indiana USA
2. Division of Gastroenterology and Hepatology, Department of Medicine Mayo Clinic Rochester Minnesota USA
3. Division of Gastroenterology and Hepatology, Department of Medicine Indiana University School of Medicine Indianapolis Indiana USA
4. Digestive Disease and Surgery Institute Cleveland Clinic Cleveland Ohio USA
5. UC Berkeley Library University of California Berkeley Berkeley California USA
6. Department of Biostatistics Indiana University School of Medicine Indianapolis Indiana USA
7. Department of Nutrition and Dietetics Indiana University‐Purdue University Indianapolis Indianapolis Indiana USA
8. Department of Nutrition Science Purdue University West Lafayette Indiana USA
9. Vatche and Tamar Manoukian Division of Digestive Diseases University of California Los Angeles California USA