Affiliation: | 1. Division of Gastroenterology and Hepatology, Shanghai Jiao‐Tong University School of Medicine Renji Hospital, Shanghai Institution of Digestive Disease, , Shanghai, China;2. Key Laboratory of Gastroenterology and Hepatology, Ministry of Health (Shanghai Jiao‐Tong University), , Shanghai, China;3. Department of Radiology, Ren ji Hospital, Shanghai Jiao Tong University School of Medicine, , Shanghai, China |