1. Department of Neurology, Tangdu Hospital, The Air Force Medical University, Xi’an, Shaanxi Province, P.R. China
2. Department of Immunology, The Air Force Medical University, Xi’an, Shaanxi Province, P.R. China
3. Department of Neurology, Chinese PLA General Hospital, Beijing, P.R. China
4. Medical Corp in Unit 93246 of PLA, Changchun, Jilin Province, P.R. China