Cia_a_290709 139..153

1Department of Neurosurgery, Xiangya Hospital, Central South University, Changsha, Hunan 410008, People’s Republic of China; 2Diagnosis and Treatment Center for Hydrocephalus, Xiangya Hospital, Central South University, Changsha, Hunan 410008, People’s Republic of China; 3National Clinical Research Center for Geriatric Disorders, Xiangya Hospital, Central South University, Changsha, Hunan 410008, People’s Republic of China; 4Pediatric Neurological Disease Center, Xinhua Hospital, Shanghai Jiaotong University School of Medicine, Shanghai 200092, People’s Republic of China; 5Department of Neurosurgery, Hunan Cancer Hospital and the Affiliated Cancer Hospital of Xiangya School of Medicine, Central South University, Changsha, Hunan 410013, People’s Republic of China