1. Internal Medicine DepartmentHenan University of Chinese Medicine Zhengzhou China
2. Hepatobiliary Spleen and Stomach Department, Henan Hospital of Chinese MedicineThe Second Affiliated Hospital of Henan University of Chinese Medicine Zhengzhou China
3. Personnel Office, Henan Hospital of Chinese MedicineThe Second Affiliated Hospital of Henan University of Chinese Medicine Zhengzhou China
4. Department of DigestionAffiliated Hospital of Henan Academy of Chinese Medicine Zhengzhou China
5. Internal Medicine DepartmentHenan Electric Power Hospital Zhengzhou China