Chihaya Imai, MD, PhD1, Yoshihiro Hatta, MD2, Atsushi Sato, MD, PhD3*, Koichi Oshima, MD, PhD4*, Yasuhiro Okamoto, MD, PhD5, Takao Deguchi, MD, PhD6, Yoshiko Hashii, MD, PhD7, Takashi Fukushima, MD8*, Toshinori Hori, MD, PhD9*, Nobutaka Kiyokawa, MD, PhD6*, Motohiro Kato, MD, PhD10, Shoji Saito, MD, PhD11*, Ken-ichi Anami, MT12*, Tatsuhiro Sakamoto, MD, PhD13*, Yoshiyuki Kosaka, M.D, Ph.D14*, Souichi Suenobu, MD, PhD15*, Toshihiko Imamura, MD, PhD16, Akiko Kada, PhD17*, Akiko M Saito, MD, PhD17*, Atsushi Manabe, MD, PhD18, Yasushi Miyazaki, MD, PhD19, Itaru Matsumura, MD20, Katsuyoshi Koh, MD, PhD4*, Hitoshi Kiyoi, MD PhD21 and Keizo Horibe, MD, PhD17*
1Department of Pediatrics, Faculty of Medicine, University of Toyama, Toyama, Toyama, Japan
2Department of Medicine Division of Hematology and Rheumatology, Nihon University School of Medicine, Tokyo, Japan
3Department of Hematology and Oncology, Miyagi Children's Hospital, Sendai, Japan
4Department of Hematology/Oncology, Saitama Children's Medical Center, Saitama, Japan
5Department of Pediatrics, Kagoshima University, Kagoshima, Japan
6Children's Cancer Center, National Center for Child Health and Development, Tokyo, Japan
7Osaka University, Osaka, Japan
8Department of Pediatric Oncology and Hematology, Saitama Medical University International Medical Center, Hidaka, Japan
9Department of Pediatrics, Aichi Medical University, Nagakute-cho, Aichi-gun, Japan
10Department of Pediatrics, The University of Tokyo, Tokyo, Japan
11Department of Pediatrics, Shinshu University School of Medicine, Matsumoto, Japan
12Department of Medical Oncology, Hematology, and Infectious Diseases, Faculty of Medicine, Fukuoka University, Fukuoka, Japan
13Department of Hematology, Faculty of Medicine, University of Tsukuba, Tsukuba, Japan
14Hematology and Oncology, Hyogo Prefectural Kobe Children's Hospital, Kobe, Japan
15Department of Pediatrics, Oita University, Yufu, Japan
16Department of Pediatrics, Kyoto Prefectural University of Medicine, Kyoto, Japan
17Clinical Research Center, NHO Nagoya Medical Center, Nagoya, Japan
18Department of Pediatrics, Hokkaido University Graduate School of Medicine, Sapporo, Japan
19Department of Hematology, Atomic Bomb Disease and Hibakusha Medicine Unit, Nagasaki University Graduate School of Biomedical Sciences, Nagasaki, Japan
20Department of Hematology and Rheumatology, Kindai University Faculty of Medicine, Osaka-Sayama, Japan
21Department of Hematology and Oncology, Nagoya University Graduate School of Medicine, Nagoya, Japan