Institution: | 1.Department of Neurosurgery of the First Affiliated Hospital of Zhengzhou University, Zhengzhou, No.1 Jianshe East Road, Zhengzhou City, Henan Province China ;2.Department of Neurosurgery, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, No. 1095 Jiefang Ave, Wuhan City, Hubei Province China ;3.Department of Thyroid and Parathyroid Surgery, West China Hospital, Sichuan University, No. 37 Guoxue Alley, Chengdu City, Sichuan Province China |