1. Department of Neurology, Affiliated Hospital of Yangzhou University, Yangzhou, Jiangsu 225001, P.R. China
2. Department of Neurology, Shanghai JiaoTong University Affiliated Shanghai Sixth People's Hospital, Shanghai 200233, P.R. China
3. Department of Hematology, First Affiliated Hospital of Jiamusi University, Jiamusi, Heilongjiang 154003, P.R. China
4. Research Center for Vascular Biology, College of Medicine, Yangzhou University, Yangzhou, Jiangsu 225001, P.R. China