1. State Key Laboratory of Digestive Diseases Institute of Digestive Diseases and Department of Medicine & Therapeutics LKS Institute of Health Sciences CUHK Shenzhen Research Institute The Chinese University of Hong Kong Hong Kong
2. Department of Anaesthesia and Intensive Care The Chinese University of Hong Kong Hong Kong
3. The Jockey Club School of Public Health and Primary Care The Chinese University of Hong Kong Hong Kong
4. Department of Gastroenterology The First Affiliated Hospital of Sun Yat‐Sen University Guangzhou China