1. Gastroenterology and Hepatology Unit, Department of Medicine, Faculty of Medicine University of Malaya Kuala Lumpur Malaysia
2. Sezione di Gastroenterologia, PROMISE University of Palermo Palermo Italy
3. Department of Economics and Statistics University of Palermo Palermo Italy
4. Houston Methodist Hospital Houston Research Institute Houston Texas USA
5. Department of Gastroenterology and Hepatology Singapore General Hospital Singapore
6. Medicine Academic Clinical Program, Duke‐NUS Medical School Singapore
7. Medical Data Analytics Centre, Department of Medicine and Therapeutics The Chinese University of Hong Kong Hong Kong China
8. State Key Laboratory of Digestive Disease Institute of Digestive Disease, The Chinese University of Hong Kong Hong Kong China