1. Department of Family Medicine, Second Provincial People’s Hospital of Gansu, Lanzhou, Gansu 730000, China
2. Surgical Intensive Care Unit, Second Provincial People’s Hospital of Gansu, Lanzhou, Gansu 730000, China
3. Neurosurgery, Second Provincial People’s Hospital of Gansu, Lanzhou, Gansu 730000, China
4. General Surgery, Second Provincial People’s Hospital of Gansu, Lanzhou, Gansu 730000, China
5. Academic Management Section, Second Provincial People’s Hospital of Gansu, Lanzhou, Gansu 730000, China