1. Xuanwu Hospital, Capital Medical University; Department of Neurology; No. 45, Changchun Street Beijing Beijing China 100053
2. People's Hospital of Deyang City; Department of Neurology; No.173, Taishan North Road Deyang Sichuan China 618000
3. The First Affiliated Hospital of Henan University of Science and Technology; Department of Neurology; No. 24, Jinghua Road Luoyang Henan Province China 471003