1. Department of Geriatrics, Changshou people’s Hospital , Chongqing 401220 , China
2. Department of Gastroenterology, Changshou people’s Hospital , Chongqing 401220 , China
3. Department of Nephrology and Hematology, Changshou people’s Hospital , Chongqing 401220 , China
4. Department of Infectious Diseases, Changshou people’s Hospital , Chongqing 401220 , China
5. Department of Cardiovascular, Changshou people’s Hospital , Chongqing 401220 , China
6. Department of Basic Medical Sciences, Chongqing Medical and Pharmaceutical College , Chongqing 401331 , China
7. Department of Gynaecology, Three Gorges Hospital , Chongqing 404100 , China