1. Department of Gastroenterology, West China Hospital Sichuan University Chengdu Sichuan Province China
2. West China School of Medicine Sichuan University Chengdu Sichuan Province China
3. West China Biomedical Big Data Center, West China School of Medicine Sichuan University Chengdu Sichuan Province China
4. Medical Big Data Center Sichuan University Chengdu Sichuan Province China