1. Department of Gastroenterology, West China Hospital, Sichuan University, Chengdu, Sichuan, China
2. Machine Intelligence Laboratory, College of Computer Science, Sichuan University, Chengdu, Sichuan, China
3. State Key Laboratory of Ultrasound in Medicine and Engineering, College of Biomedical Engineering, Chongqing Medical University, Chongqing, Sichuan, China
4. Department of Gastroenterology, Cangxi Peopleʼs Hospital, Guangyuan, Sichuan, China
5. Department of Gastroenterology, Dazhou Integrated Traditional Chinese and Western Medicine Hosptial, Dazhou, Sichuan, China
6. Department of Gastroenterology, Nanchong Central Hospital, Nanchong, Sichuan, China