1. Department of Neurology, The Affiliated Hospital of Qingdao Binhai University, Qingdao, Shandong, China.
2. Department of Acupuncture and Affiliated Qingdao Central Hospital of Qingdao University, Qingdao Cancer Hospital, Qingdao, Shandong, China.
3. Department of Pathology, Affiliated Qingdao Central Hospital of Qingdao University, Qingdao Cancer Hospital, Qingdao, Shandong, China.