Yasuo Kubota¹, Masafumi Seki¹, Masahiro Sekiguchi¹, Misa Yoshida¹, Kenichi Yoshida², Yuichi Shiraishi³, Kenichi Chiba³, Hiroko Tanaka³, Satoru Miyano³, Akira Oka¹, Yasuhide Hayashi⁴, Yukichi Tanaka⁵, Junko Takita¹ (1.Department of Pediatrics, The University of Tokyo Graduate School of Medicine, Tokyo, Japan, 2.Department of Pathology and Tumor Biology, Graduate School of Medicine, Kyoto University, Kyoto, Japan, 3.Laboratory of DNA Information Analysis, Human Genome Center, Institute of Medical Science, The University of Tokyo, Tokyo, Japan, 4.Department of Hematology and Oncology, Gunma Children’s Medical Center, Maebashi, Japan, 5.Kanagawa Children’s Medical Center Clinical Research Institute, Yokohama, Japan)

Kazuaki Harada, Takeshi Saito, Keita Terui, Mitsuyuki Nakata, Shugo Komatsu, Yoshitaka Shinno, Daisuke Katsumi, Ryoya Furugane, Hideo Yoshida (Department of Pediatrics, Chiba University Graduate School of Medicine, Chiba, Japan)

Akimasa Tomida¹, Shigeki Yagyu¹, Mitsuru Miyachi¹, Kunihiko Tsuchiya¹, Tomoko Iehara¹, Eiichi Konishi², Shigehisa Fumino³, Taizo Furukawa³, Tatsuro Tajiri³, Hajime Hosoi¹ (1.Department of Pediatrics, Graduate School of Medical Science, Kyoto Prefectural University of Medicine, 2.Department of Pathology, Graduate School of Medical Science, Kyoto Prefectural University of Medicine, 3.Department of Pediatric Surgery, Graduate School of Medical Science, Kyoto Prefectural University of Medicine)

Yuki Arakawa¹, Torataro Takaki¹, Masahiro Sugawa¹, Jun Noguchi¹, Masato Yanagi¹, Kiyotaka Isobe¹, Makiko Mori¹, Tetsuya Ishimaru², Hiroshi Kawashima², Eiji Oguma³, Hiroshi Kishimoto⁴, Atsuko Nakazawa⁵, Katsuyoshi Koh¹ (1.Department of Hematology and Oncology, Saitama Children’s Medical Center, Saitama, Japan, 2.Department of Pediatric Surgery, Saitama Children’s Medical Center, Saitama, Japan, 3.Department of Radiology, Saitama Children’s Medical Center, Saitama, Japan, 4.Department of Diagnostic Pathology, Saitama Children’s Medical Center, Saitama, Japan, 5.Department of Clinical Research, Saitama Children’s Medical Center, Saitama, Japan)