Department of Neurosurgery, Lanzhou University Second Hospital, 82 Cuiyingmen Road, Chengguan District, Lanzhou 730030, China;
Department of Pathology, Lanzhou University Second Hospital, Lanzhou 730030, China;
Department of Neurosurgery, Lanzhou University Second Hospital, 82 Cuiyingmen Road, Chengguan District, Lanzhou 730030, China;
Department of Neurosurgery, Lanzhou University Second Hospital, 82 Cuiyingmen Road, Chengguan District, Lanzhou 730030, China;
Graduate School of Peking Union Medical College, Beijing 100730,China;
Department of Neurosurgery, Lanzhou University Second Hospital, 82 Cuiyingmen Road, Chengguan District, Lanzhou 730030, China;
Department of Neurosurgery, Lanzhou University Second Hospital, 82 Cuiyingmen Road, Chengguan District, Lanzhou 730030, China;