Affiliation: | 1. Institute of Digestive Disease and Department of Medicine and Therapeutics, State Key Laboratory of Digestive Disease, Li Ka Shing Institute of Health Sciences, CUHK Shenzhen Research Institute, The Chinese University of Hong Kong, , Shatin, Hong Kong;2. Department of Gastroenterology, Osaka City University Graduate School of Medicine, , Abeno‐ku, Osaka, Japan;3. Department of Surgery, The Chinese University of Hong Kong, , Shatin, Hong Kong |