Kumie Yamaashi¹, Takashi Fukushima^1,2, Kayoko Tao¹, Tomohei Nakao^1,3, Hiroko Fukushima^1,2, Ryoko Suzuki^1,2, Yuni Yamaki¹, Sho Hosaka¹, Masayuki Nakano⁴, Shingo Sakashita^4,5, Ayumu Arakawa⁶, Chitose Ogawa⁶, Akihiko Yoshida⁷, Taisuke Mori⁷, Hidetoshi Takada^1,2 (1.Department of Pediatrics, University of Tsukuba Hospital, Tsukuba, Ibaraki, Japan, 2.Department of Child Health, Faculty of Medicine, University of Tsukuba, 3.Department of Radiation Oncology, University of Tsukuba Hospital, 4.Department of Diagnostic Pathology, University of Tsukuba Hospital, 5.Department of Diagnostic Pathology, Faculty of Medicine, University of Tsukuba, 6.Department of Pediatric Oncology, National Cancer Center Hospital, 7.Department of Pathology and Clinical Laboratories, National Cancer Center Hospital)

Daisuke Ichikawa, Hideki Muramatsu, Yusuke Okuno, Manabu Wakamatsu, Shunsuke Miwata, Kotaro Narita, Hironobu Kitazawa, Motoharu Hamada, Shinsuke Kataoka, Rieko Taniguchi, Norihiro Murakami, Kyogo Suzuki, Eri Nishikawa, Nozomu Kawashima, Atsushi Narita, Nobuhiro Nishio, Seiji Kojima, Yoshiyuki Takahashi (Department of Pediatrics, Nagoya University Graduate School of Medicine, Nagoya, Japan)

Shunsuke Miwata, Atsushi Narita, Manabu Wakamatsu, Kotaro Narita, Hironobu Kitazawa, Shinsuke Kataoka, Motoharu Hamada, Norihiro Murakami, Rieko Taniguchi, Daisuke Ichikawa, Kyogo Suzuki, Nozomu Kawashima, Eri Nishikawa, Yusuke Okuno, Nobuhiro Nishio, Hideki Muramatsu, Seiji Kojima, Yoshiyuki Takahashi (Department of Pediatrics, Nagoya University Graduate School of Medicine, Nagoya, Japan)

Yuji Yamada^1,2,3, Shota Kato⁴, Ryota Shirai¹, Tomoo Osumi^1,2, Chikako Kiyotani², Toshihiko Watanabe⁵, Tomoro Hishiki⁶, Masahiro Sekiguchi⁴, Masafumi Seki⁴, Junko Takita⁴, Nobutaka Kiyokawa¹, Osamu Miyazaki⁷, Takako Yoshioka⁸, Kimikazu Matsumoto², Motohiro Kato^1,2 (1.Department of Pediatric Hematology and Oncology Research, National Research Institute for Child Health and Development, Tokyo, Japan, 2.Children’s Cancer Center, National Center for Child Health and Development, Tokyo, Japan, 3.Department of Pediatrics, Saitama City Hospital, Saitama, Japan, 4.Department of Pediatrics, The University of Tokyo, Tokyo, Japan, 5.Division of Surgery, National Center for Child Health and Development, Tokyo, Japan, 6.Division of Surgical Oncology, National Center for Child Health and Development, Tokyo, Japan, 7.Department of Radiology, National Center for Child Health and Development, Tokyo, Japan, 8.Department of Pathology, National Center for Child Health and Development, Tokyo, Japan)

Tamaki Ueda¹, Yuhki Koga¹, Kanako Ishii¹, Motoshi Sonoda¹, Kentaro Nakashima¹, Mitsuharu Fukazawa², Kenichi Kohashi³, Yoshinao Oda³, Michio Ozeki⁴, Yoko Aoki⁵, Shouichi Ohga¹ (1.Department of Pediatrics, Graduate School of Medical Sciences, Kyushu University, Fukuoka, Japan, 2.Fukuoka Children Hospital, Fukuoka, Japan, 3.Department of Anatomic Pathology, Graduate School of Medical Sciences, Kyushu University, Fukuoka, Japan, 4.Department of Pediatrics, Gifu University Hospital, Gifu, Japan, 5.Department of Medical Genetics, Tohoku University School of Medicine, Sendai, Japan)