1. Department of Biochemistry & Molecular Biology, & Zhejiang Key Laboratory of Pathophysiology, Medical School of Ningbo University, Ningbo 315211, PR China
2. Department of Gastroenterology, the Affiliated Hospital of Medical School of Ningbo University, Ningbo 315020, PR China
3. Ningbo Yinzhou People's Hospital & the Affiliated Hospital, Medical School of Ningbo University, Ningbo 315040, PR China