1. Department of Neurosurgery, The Second Clinical Medical School of Inner Mongolia University for Nationalities, Yakeshi, Inner Mongolia, 022150, China
2. Department of Neurosurgery, Sanbo Brain Hospital Co., Ltd, Beijing, 100093, China
3. Department of Hematology and Oncology, The Second Clinical Medical School of Inner Mongolia University for Nationalities, Yakeshi, Inner Mongolia, 022150, China