1. Department of Neurology, The First Affiliated Hospital of Zhengzhou University, Academy of Medical Sciences Zhengzhou University Zhengzhou China
2. Department of Neurology Ningxia Medical University Yinchuan China
3. Ningxia Key Laboratory of Cerebrocranial Disease, The Incubation Base of National Key Laboratory Yinchuan China
4. Department of Neurosurgery Ningxia Medical University Yinchuan China
5. Department of Neurosurgery, Fifth Affiliated Hospital of Zhengzhou University Zhengzhou China
6. Department of Neurology General Hospital of Ningxia Medical University Yinchuan China