1. Department of Gastroenterology, First Affiliated Hospital, College of Medicine, Zhejiang University , Hangzhou , China
2. Department of Gastroenterology, Ningbo First Hospital , Ningbo , China
3. Department of Hematology, First Affiliated Hospital, College of Medicine, Zhejiang University , Hangzhou , China
4. Department of Gastroenterology, Ningbo Yinzhou No.2 Hospital , Ningbo , China
5. Department of Orthopedics, Hua Mei Hospital, University of Chinese Academy of Sciences (Ningbo No. 2 Hospital) , Ningbo , China
6. Central Laboratory of the Medical Research Center, Ningbo First Hospital , Ningbo , China
7. Department of Psychosomatic Medicine, Ningbo First Hospital , Ningbo , China
8. Department of Pathology, First Affiliated Hospital, College of Medicine, Zhejiang University , Hangzhou , China
9. Department of Gastroenterology, Ruijin Hospital, Shanghai Jiao Tong University School of Medicine , Shanghai , China