1 Department of Anesthesiology, Binzhou Medical University Hospital, No. 661 Huanghe 2nd Road, Binzhou, Shandong, 256600, China. Electronic address: 2639189322@qq.com.
2 Department of Anesthesiology, Binzhou Medical University Hospital, No. 661 Huanghe 2nd Road, Binzhou, Shandong, 256600, China. Electronic address: yeting006@163.com.
3 Department of Anesthesiology, Binzhou Medical University Hospital, No. 661 Huanghe 2nd Road, Binzhou, Shandong, 256600, China. Electronic address: zhang_quan_yi@126.com.