1. Department of Gastroenterology and Hepatology, Jinling Hospital Medical School of Nanjing University Nanjing Jiangsu Province China
2. Department of Gastroenterology, Changhai Hospital The Second Military Medical University Shanghai China
3. Department of Hepatobiliary Pancreatic Surgery, Changhai Hospital The Second Military Medical University Shanghai China
4. Department of Gastroenterology, Shanghai Fourth People's Hospital Tongji University School of Medicine Shanghai China
5. Department of Gastroenterology, First Affiliated Hospital Zhejiang University School of Medicine Hangzhou, Zhejiang Province China
6. Department of Gastroenterology and Hepatology Chinese PLA General Hospital Beijing China
7. Department of Ophthalmology, Changhai Hospital The Second Military Medical University Shanghai China
8. Department of Gastroenterology, Zhongda Hospital Southeast University Nanjing Jiangsu Province China
9. Department of Gastroenterology Affiliated Hospital of Yangzhou University Yangzhou Jiangsu Province China