1. Department of Neurology, Affiliated Hospital of Qingdao Binhai University, Qingdao, Shandong, China.
2. Department of Acupuncture, University of Health and Rehabilitation Sciences (Qingdao Central Hospital), Qingdao, Shandong, China.
3. Department of Pathology Qingdao Central Hospital, University of Health and Rehabilitation Sciences (Qingdao Central Hospital), Qingdao, Shandong, China.