Shoko Oshima, Akihito Shinohara, Yuki Iizuka, Aya Watanabe, Norina Tanaka, Midori Ishiyama, Hiroshi Kazama, Shotaro Hagiwara, Kentaro Yoshinaga, Masayuki Shiseki, Junji Tanaka (Hematology, Tokyo Womens Medical Univ, Tokyo, Japan)

Takeshi Hara^1,2, Hiroshi Nakamura², Takuro Matsumoto², Nobuhiko Nakamura², Kuniaki Yabe³, Soranobu Ninomiya², Junichi Kitagawa², Nobuhiro Kanemura², Yasuko Yamamoto³, Naoe Goto², Masao Takemura³, Kuniaki Saito³, Hisashi Tsurumi^1,2 (1.Hematol., Matsunami General Hospital., Hashima, Japan, 2.Hematol., Gifu Univ., Gifu, Japan, 3.Dept. of Disease Control and Prevention, Fujita Univ., Toyoakei, Japan)

Hideaki Saito¹, Hirohiko Shibayama¹, Hiroaki Miyoshi², Jun Toda¹, Shinsuke Kusakabe¹, Michiko Ichii¹, Jiro Fujita¹, Kentaro Fukushima¹, Takafumi Yokota¹, Tetsuo Maeda¹, Masao Mizuki¹, Kenji Oritani³, Masao Seto², Koichi Ohshima², Yuzuru Kanakura¹ (1.Hematology and Oncology, Osaka University, Osaka, Japan, 2.Pathology, Kurume University, Kurume, Japan, 3.Hematology, International University of Health and Welfare, Chiba, Japan)

Akihiro Tamura¹, Makiko Yoshida², Nobuyuki Yamamoto¹, Nanako Nino¹, Naoko Nakatani¹, Takayuki Ichikawa¹, Sayaka Nakamura¹, Atsuro Saito¹, Aiko Kozaki¹, Kenji Kishimoto¹, Toshiaki Ishida¹, Takeshi Mori¹, Daiichiro Hasegawa¹, Yoshiyuki Kosaka¹ (1.Dept. Hematology and Oncology, Kobe Children's Hospital, 2.Dept. Diagnostic Pathology, Kobe Children's Hospital)

Aya Nakaya, Shinya Fujita, Atsushi Satake, Takahisa Nakanishi, Yoshiko Azuma, Yukie Tsubokura, Ryo Saito, Akiko Konishi, Masaaki Hotta, Hideaki Yoshimura, Kazuyoshi Ishii, Tomoki Ito, Shosaku Nomura (Kansai Medical University, Osaka, Japan)

Hiroshi Tsujimoto¹, Shinji Kounami¹, Takayuki Ichikawa², Hiroyuki Suzuki¹ (1.The Department of Pediatrics, Wakayama Medical University, Wakayama, Japan, 2.Department of Hematology and Oncology, Kobe Children's Hospital, Japan)