1. Research Administration Office The First Affiliated Hospital of Harbin Medical University Harbin China
2. Department of Neurosurgery The First Affiliated Hospital of Harbin Medical University Harbin China
3. Institute of Brain Science Harbin Medical University Harbin China
4. Department of Neurosurgery The Fourth Hospital of Harbin Medical University Harbin China
5. Department of Neurosurgery The Second Affiliated Hospital of Harbin Medical University Harbin China
6. Harbin Medical University Harbin China
7. Bashkir State Medical University Ufa Russia