1. Department of Medicine and Therapeutics, Institute of Digestive Disease The Chinese University of Hong Kong Shatin Hong Kong
2. Department of Gastroenterology First Affiliated Hospital of Kunming Medical University Kunming Yunnan China
3. Department of Gastroenterology St Vincent's Hospital Melbourne Victoria Australia
4. The First Affiliated Hospital Sun Yat‐sen University Guangzhou China
5. Diamantina Institute, Faculty of Medicine The University of Queensland Brisbane Queensland Australia
6. LKS Institute of Health Sciences, State Key Laboratory of Digestive Disease The Chinese University of Hong Kong Shatin Hong Kong
7. Microbiota I‐Center (MagIC) Hong Kong
8. Lee Kong Chian School of Medicine Nanyang Technological University Singapore