1. Department of Infectious DiseasesFirst Affiliated Hospital of Chongqing Medical UniversityChongqing China
2. Department of Science and EducationFirst People's Hospital of Changde CityHunan China
3. Department of GerontologySecond Affiliated Hospital of Chongqing Medical UniversityChongqing China
4. Department of RadiologyFirst Affiliated Hospital of Chongqing Medical UniversityChongqing China
5. Department of Hepatobiliary SurgerySecond Affiliated Hospital of Chongqing Medical UniversityChongqing China