1. Sepulveda Ambulatory Care Center, VAGLAHS; David Geffen School of Medicine at UCLA, Medicine North Hills California USA
2. Digestive Endoscopy Unit CTO Hospital Iglesias Italy
3. Graduate Institution of Long‐term Care Tzu Chi University of Science and Technology Hualien Taiwan
4. Sacramento Veterans Affairs Medical Center, VANCHCS, Division of Gastroenterology University of California Davis School of Medicine Sacramento California USA
5. Department of Gastroenterology Dudley Group Hospitals NHS Foundation Trust Dudley UK
6. School of Medicine Tzu Chi University Hualien Taiwan
7. The Dudley Group of Hospitals NHS Trust, Visiting Professor of Medicine and Gastroenterology Birmingham City University Birmingham UK
8. Division of Gastroenterology, Department of Internal Medicine Evergreen General Hospital Taoyuan Taiwan
9. Division of Gastroenterology and Hepatology Mayo Clinic Scottsdale Arizona USA
10. Division of Gastroenterology, Department of Medicine University of British Columbia Okanagan Kelowna British Columbia Canada
11. Digestive Health Institute University of California Irvine Medical Center Irvine California USA
12. Division of Gastroenterology and Hepatology, Internal Medicine Department, Faculty of Medicine, Public Health and Nursing Universitas Gadjah Mada, Dr. Sardjito General Hospital Yogyakarta Indonesia
13. Division of Gastroenterology, Hepatology and Nutrition University of Minnesota Minneapolis Minnesota USA