1. Department of Neurosurgery, The Seventh Medical Center of PLA General Hospital, No. 5, NanMencanghutong, Dongcheng District, Beijing, 100700, China
2. Senior Department of Pediatric, The Seventh Medical Center of PLA General Hospital, No. 5, NanMencanghutong, Dongcheng District, Beijing, 100700, China
3. Department of Neurology, The Second Hospital of Hebei Medical University, City Shijiazhuang 050000, Province Hebei, P.R. China