1. Department of Gastroenterology, Sir Run Run Shaw Hospital, School of Medicine, Zhejiang University, Zhejiang, China
2. Institute of Gastroenterology, Zhejiang University, Zhejiang, China
3. Division of Gastroenterology, Department of Internal Medicine, University of Michigan, Ann Arbor, MI, USA
4. Department of Gastroenterology, Second Affiliated Hospital, Zhejiang University School of Medicine, Zhejiang, China
5. Department of Cell Biology and Program in Molecular Cell Biology, Zhejiang University School of Medicine, Zhejiang, China