1 Department of Rehabilitation Medicine, Binzhou Medical University Hospital, Binzhou, Shandong province, 256600, China.
2 Department of Anesthesiology, Binzhou Medical University Hospital, Binzhou, Shandong province, 256600, China.
3 Department of Rehabilitation Medicine, Binzhou Medical University Hospital, Binzhou, Shandong province, 256600, China. Electronic address: wanghk_byfykfk@126.com.