1 Department of Gastroenterology, The Second Affiliated Hospital, Zhejiang Chinese Medical University, Xinhua Hospital of Zhejiang Province, Chaowang Road, Gongshu District, Hangzhou, Zhejiang, People's Republic of China. [email protected].
2 Department of the Second School of Clinical Medicine, Zhejiang Chinese Medical University, Hangzhou, China.
3 Department of Gastroenterology, The Second Affiliated Hospital, Zhejiang Chinese Medical University, Xinhua Hospital of Zhejiang Province, Chaowang Road, Gongshu District, Hangzhou, Zhejiang, People's Republic of China.