1. Department of Science and Education, The People's Hospital of Zhangqiu, Zhangqiu, Shandong, China
2. Pharmacy Intravenous Admixture Service, The People's Hospital of Zhangqiu, Zhangqiu, Shandong, China
3. Department of Neurosurgery, The People's Hospital of Zhangqiu, Zhangqiu, Shandong, China
4. Department of Cardiology, The People's Hospital of Zhangqiu, Zhangqiu, Shandong, China
5. Department of General Surgery, The People's Hospital of Zhangqiu, Zhangqiu, Shandong, China