Atsushi Kohso¹, Keiki Kawakami¹, Ryugo Ito¹, Takanori Yamaguchi¹, Akihide Nakamura¹, Tomonori Saito², Tetshuya Murata³, Yoichiro Baba³ (1.Hematol, and Onchol, Suzuka General Hospital, 2.Gastroenterol., Suzuka General l Hospital, 3.Pathol., Suzuka General Hospital)

Kana Kusaba¹, Yasushi Kubota^1,2, Keisuke Kidoguchi¹, Haruhiko Sano¹, Mariko Yoshimura¹, Masako Yokoo¹, Toshihiko Ando¹, Keita Kai³, Kensuke Kojima¹, Koichi Ohshima⁴, Shinya Kimura¹ (1.Hematology, Respiratory Medicine and Oncology, Saga University, Saga, Japan, 2.Department of Transfusion Medicine, Saga University Hospital, Saga, Japan, 3.Department of Pathology, Saga University Hospital, Saga, Japan, 4.Pathology, Kurume University School of Medicine, Kurume, Japan)

Hitoshi Suzushima, Yuko Watanabe, Shiho Fujiwara, Taizo Shimomura (Hematol., Kumamoto Shinto Gen Hosp., Kumamoto, Japan)

Yumi Tagaito, Yasuhiro Nakashima, Hiroshi Okamura, Satoru Nanno, Hideo Koh, Takahiko Nakane, Hirohisa Nakamae, Masayuki Hino (Hematol., Osaka City Univ., Osaka, Japan)

Hiroko Iizuka¹, Sakiko Harada³, Noriaki Iwao², Michiaki Koike², Haruko Takizawa¹, Mutsumi Wakabayashi¹, Keiji Sugimoto¹, Sakura Sakajiri¹, Yasunobu Sekiguchi¹, Masaaki Noguchi¹, Norio Komatsu³ (1.Juntendo University Urayasu Hospital, Chiba, Japan, 2.Juntendo University Shizuoka Hospital, Shizuoka, Japan, 3.Juntendo University, Tokyo, Japan)

Shin Nagai¹, Junji Hiraga¹, Naruko Suzuki¹, Yusuke Takagi¹, Michihiko Narita², Yoshitoyo Kagami¹ (1.Department of Hematology, Toyota Kosei Hospital, Toyota, Japan, 2.Department of Pathology, Toyota Kosei Hospital, Toyota, Japan)

Yoshihide Kakimoto¹, Kiyonobu Tokuyama¹, Haruhiko Ohashi¹, Mutsumi Murayama², Ryo Shibuya³, Satoshi Kitagawa³ (1.Hematology,Toyota Memorial Hospital, Aichi, Japan, 2.Gastroenterology, Toyota Memorial Hospital, Aichi, Japan, 3.Pathology, Toyota Memorial Hospital, Aichi, Japan)

Kazuki Taoka^1,2, Hideyuki Kanemoto² (1.Hematology and Oncology,The University of Tokyo, Tokyo, Japan, 2.Noda Hospital)