Affiliation: | 1. Beijing Neurosurgical Institute, Capital Medical University, Beijing, China;2. Department of Neurosurgery, Affiliated Hospital of Inner Mongolia Medical University, Hohhot, China;3. Department of Stem Cell Transplantation, General Hospital of Chinese People's Armed Police Forces, Beijing, China;4. Basic Medicine College of Inner Mongolia Medical University, Hohhot, China;5. Department of Neurosurgery, Beijing Sanbo Brain Hospital, Capital Medical University, Beijing, China |