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