Institution: | 1. Department of Neurosurgery, Tangdu Hospital, the Fourth Military Medical University, , Xi'an, Shaanxi, China;2. Ningxia Key Laboratory of Cerebrocranial Diseases, Ningxia Medical University, , Yinchuan, Ningxia, China;3. Department of Neurology, KunMing General Hospital of The People's Liberation Army, , Kunming, Yunnan, China;4. State Key Laboratory of Cancer Biology and Institute of Digestive Diseases, Xijing Hospital of Digestive Diseases, , Xi'an, Shaanxi, China |