1. School of Clinical Medicine, Weifang Medical University, Weifang, China
2. Department of Neurology, Qingdao Municipal
Hospital, Dalian Medical University, Qingdao, China
3. Department of Neurology, Qingdao Municipal Hospital,
Qingdao University, Qingdao, China
4. Department of Neurology, Qingdao Municipal Hospital, University of Health
and Rehabilitation Sciences, Qingdao, China