Department of Neurosurgery, The First Affiliated Hospital of Zhengzhou University, Zhengzhou 450052, China;
Department of Orthopedics, Zhengzhou Orthopedics Hospital, Zhengzhou 450052, China;
Department of Neurosurgery, The First Affiliated Hospital of Zhengzhou University, Zhengzhou 450052, China;
Department of Neurosurgery, The First Affiliated Hospital of Zhengzhou University, Zhengzhou 450052, China;
Department of Neurosurgery, The First Affiliated Hospital of Zhengzhou University, Zhengzhou 450052, China;
Department of Neurosurgery, The First Affiliated Hospital of Zhengzhou University, Zhengzhou 450052, China;
Department of Neurosurgery, The First Affiliated Hospital of Zhengzhou University, Zhengzhou 450052, China;