1. 1Department of Gastroenterology, Xinhua Hospital, Shanghai Jiaotong University School of Medicine, Shanghai, China
2. 2Department of Gastroenterology, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, China
3. 3Shanghai Key Laboratory of Pediatric Gastroenterology and Nutrition, Shanghai, China
4. 4Department of Breast Surgery, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, China
5. 5Department of Medical Laboratory, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, China
6. 6Department of Gastroenterology, Kongjiang Hospital of Yangpu District, Shanghai, China
7. 7Department of Colorectal Surgery, Xinhua Hospital, Shanghai Jiaotong University School of Medicine, Shanghai, China