Masahiro Sugawa¹, Yuki Arakawa¹, Torataro Takaki¹, Jun Noguchi¹, Masato Yanagi¹, Kiyotaka Isobe¹, Makiko Mori¹, Jun Kurihara², Eiji Oguma³, Atsuko Nakazawa⁴, Hiroshi Kishimoto⁵, Katsuyoshi Koh¹ (1.Department of Hematology and Oncology, Saitama Children’s Medical Center, Saitama, Japan, 2.Department of Neurosurgery, Saitama Children’s Medical Center, Saitama, Japan, 3.Department of Radiology, Saitama Children’s Medical Center, Saitama, Japan, 4.Department of Clinical Resarch, Saitama Children’s Medical Center, Saitama, Japan, 5.Department of Diagnostic Pathology, Saitama Children’s Medical Center, Saitama, Japan)

Yoshiko Nakano¹, Yuko Watanabe², Taishi Nakamura³, Ryuta Saito⁴, Masayuki Kanamori⁴, Yasuhiro Matsusaka⁵, Noritsugu Kunihiro⁵, Keiko Okada⁶, Junichi Hara⁶, Hiroaki Sakamoto⁵, Koichi Ichimura¹ (1.Division of Brain Tumor Translational Research, National Cancer Center Research Institute, 2.Department of Pediatrics, Tohoku University School of Medicine, 3.Department of Neurosurgery, Graduate School of Medicine, Yokohama City University, 4.Department of Neurosurgery, Tohoku University Graduate School of Medicine, 5.Department of Pediatric Neurosurgery, Osaka City General Hospital, 6.Department of Pediatric Hematology/Oncology, Osaka City General Hospital)

Takaya Honda¹, Masayoshi Yamaoka¹, Kentaro Yokoi¹, Yuichiro Nonaka², Masaharu Akiyama¹, Takaaki Yanagisawa² (1.Department of Pediatrics, The Jikei University School of Medicine, Tokyo, Japan, 2.Department of Neurosurgery, The Jikei University School of Medicine, Tokyo, Japan)

Kimikazu Matsumoto, Hiromi Komatsu, Keita Terashima (Children’s Cancer Center, National Center for Child Health and Development)

Kai Yamasaki¹, Yoshiko Nakano⁴, Kazuki Tanimura¹, Kouta Hira¹, Yuki Okuhiro¹, Chika Nitani¹, Keiko Okada¹, Hiroyuki Fujisaki¹, Noritsugu Kunihiro², Yasuhiro Matsusaka², Hiroaki Sakamoto², Hiroko Fukushima³, Takeshi Inoue³, Koichi Ichimura⁴, Junichi Hara¹ (1.Department of Pediatric Hematology and Oncology, Osaka City General Hospital, Osaka, Japan, 2.Department of Pediatric Neurosurgery, Osaka City General Hospital, Osaka, Japan, 3.Department of Pathology, Osaka City General Hospital, Osaka, Japan, 4.Division of Brain Tumor Translational Research, National Cancer Research Institute, Tokyo, Japan)

Kai Yamasaki¹, Yuko Watanabe², Yuhki Koga³, Chikako Kiyotani⁴, Keita Terashima⁴, Hiroaki Goto⁵, Kiyotaka Isobe⁶, Katsuyoshi Koh⁶, Daiichiro Hasegawa⁷, Yoshiyuki Kosaka⁷, Junichi Hara¹ (1.Department of Pediatric Hematology and Oncology, Osaka City General Hospital, Osaka, Japan, 2.Department of Pediatrics, Tohoku University School of Medicine, Sendai, Japan, 3.Department of Pediatrics, Kyushu University, Fukuoka, Japan, 4.Children’s Cancer Center, National Center for Child Health and Development, Tokyo, Japan, 5.Department of Hematology and Oncology, Kanagawa Children’s Medical Center, Kanagawa, Japan, 6.Department of Hematology/Oncology, Saitama Children’s Medical Center, Saitama, Japan, 7.Department of Neurosurgery, Kyoto University Graduate School of Medicine, Kyoto, Japan, 8.Department of Hematology and Oncology, Kobe Children’s Hospital, Hyogo, Japan)