1. Department of Gastroenterology and Hepatology, Sichuan Academy of Medical Sciences & Sichuan Provincial Peopleʼs Hospital, School of Medicine, University of Electronic Science and Technology of China, Chengdu, Sichuan Province, China
2. Department of Gastroenterology and Hepatology, Chongzhou Peopleʼs Hospital, Chengdu, Sichuan Province, China