Author information:
(1)Department of Neurology, The First Affiliated Hospital of Zhengzhou 
University, Zhengzhou 450052, China.
(2)Zhengzhou University, Zhengzhou, Henan 450001, China.
(3)School of life sciences, Zhengzhou University, Zhengzhou, Henan 450001, 
China.
(4)Center for Stem Cell and Regenerative Medicine, Department of Basic Medical 
Sciences, The First Affiliated Hospital, College of Medicine, Zhejiang 
University, Hangzhou, Zhejiang 310058, China; Institute of Hematology, Zhejiang 
University, Hangzhou, Zhejiang 310058, China.
(5)Department of Neurology, The First Affiliated Hospital of Zhengzhou 
University, Zhengzhou 450052, China. Electronic address: xuyuming@zzu.edu.cn.
(6)Department of Neurology, The First Affiliated Hospital of Zhengzhou 
University, Zhengzhou 450052, China. Electronic address: shichanghe@gmail.com.