1. Department of Clinical Laboratory, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, China
2. Key Clinical Laboratory of Henan Province, Department of Clinical Laboratory, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, China
3. Department of Neurology, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, China
4. Department of Neurology, Peking University First Hospital, Beijing, China