1. Department of Anatomy, College of Medicine, Yangzhou University, Yangzhou, Jiangsu 225009, P.R. China
2. Department of Hematology, First Affiliated Hospital of Jiamusi University, Jiamusi, Heilongjiang 154003, P.R. China
3. Department of Neurology, Affiliated Hospital of Yangzhou University, Yangzhou, Jiangsu 225001, P.R. China
4. Department of Neurology, Shanghai JiaoTong University Affiliated Sixth People Hospital, South Campus, Shanghai 200233, P.R. China
5. The Research Center for Vascular Biology, College of Medicine. Yangzhou University, Yangzhou, Jiangsu 225009, P.R. China