1. Department of Cardiology, Jinhua People's Hospital, Jinhua, Zhejiang 321000, P.R. China
2. Department of Medical Sciences, Jinhua Polytechnic, Jinhua, Zhejiang 321007, P.R. China
3. Endoscopy Center, Jinhua Hospital of Zhejiang University, Jinhua, Zhejiang 321001, P.R. China
4. Department of Laboratory Animals Center, Jinhua Institute for Food and Drug Control, Jinhua, Zhejiang 321000, P.R. China