Affiliation: | (1) Division of Pediatric Neurosurgery, Department of Neurosurgery, Seoul National University Children’s Hospital, Seoul National University College of Medicine, 101 Daehak-ro, Jongno-gu, Seoul, 110-744, Republic of Korea;(2) Department of Pathology, Seoul National University Children’s Hospital, Seoul National University College of Medicine, Seoul, Republic of Korea; |