Masuho Saburi¹, Masao Ogata², Takako Sato³, Yasuhiro Soga³, Kyoko Nakamura¹, Kazuhito Itani¹, Kazuhiro Kohno¹, Toshiyuki Nakayama¹ (1.Department of Hematology, Oita Kouseiren Tsurumi Hospital, Oita, Japan, 2.Department of Hematology, Oita University Hospital, Oita, Japan, 3.Department of Laboratory, Oita Kouseiren Tsurumi Hospital, Oita, Japan)

Reina Saga, Shoichiro Kato, Toshikatsu Horiuchi, Takaaki Maekawa, Fumihiko Kimura (Hematol., Natinal Defense Medical Collge, Saitama, Japan)

Ken Takase¹, Hirokazu Nagai², Takanori Yoshioka⁴, Nobuyuki Yoshio⁵, Yukio Hirabayashi⁶, Takuo Ito⁷, Morio Sawamura⁸, Akihiro Yokoyama⁹, Shinichiro Yoshida¹⁰, Ikuyo Tsutsumi¹¹, Maki Otsuka¹², Yoko Suehiro¹³, Michihiro Hidaka¹⁴, Isao Yoshida¹⁵, Hisayuki Yokoyama¹⁶, Hitoshi Inoue¹⁷, Hiroatsu Iida², Maki Nakayama¹⁸, Terutoshi Hishita¹⁹, Hiromi Iwasaki¹, Yoshiaki Kuroda³ (1.Hematol., NHO Kyushu Medical Center. Fukuoka, Japan, 2.Hematol., NHO Nagoya Medical Center, Nagoya, Japan, 3.Hematol., NHO Hiroshima-Nishi Medical Center, Otake, Japan, 4.Hematol., NHO Okayama Medical Center, Okayama, Japan, 5.Hematol., NHO Kanazawa Medical Center, Kanazawa, Japan, 6.Hematol., NHO Matsumoto Medical Center, Matsumoto, Japan, 7.Hematol., NHO Kure Medical Center, Kure, Japan, 8.Hematol., NHO Shibukawa Medical Center, Shibukawa, Japan, 9.Hematol., NHO Tokyo Medical Center, Tokyo, Japan, 10.Hematol., NHO Nagasaki Medical Center, Omura, Japan, 11.Hematol., NHO Mito Medical Center, Ibaraki-gun, Japan, 12.Hematol., NHO Kagoshima Medical Center, Kagoshima, Japan, 13.Hematol., NHO Kyushu Cancer Center, Fukuoka, Japan, 14.Hematol., NHO Kumamoto Medical Center, Kumamoto, Japan, 15.Hematol Oncol., NHO Shikoku Cancer Center, Matsuyama, Japan, 16.Hematol., NHO Sendai Medical Center, Sendai, Japan, 17.Internal., NHO Tsuruga Medical Center, Tsuruga, Japan, 18.Hematol., NHO Nishi-Beppu National Hospital, Beppu, Japan, 19.Hematol., NHO Himeji Medical Center, Himeji, Japan)

Midori Ishiyama, Masayuki Shiseki, Michiko Ryuzaki, Yuki Iizuka, Aya Watanabe, Norina Tanaka, Akihito Shinohara, Hiroshi Kazama, Shotaro Hagiwara, Kentaro Yoshinaga, Naoki Mori, Junji Tanaka (Hematol, Tokyo Women's Medical Univ, Tokyo, Japan)

Fumihiro Kawakami¹, Hitoshi Sakai¹, Toru Kawakami¹, Sayaka Nishina¹, Kaoko Sakai¹, Yuriko Sudo¹, Hideyuki Nakazawa¹, Fumihiro Ishida^1,2 (1.Division of Hematology, Department of Internal Medicine, Shinshu Univ., Japan, 2.Department of Biomedical Laboratory Medicine, Shinshu Univ., Japan)

Jun Yamanouchi, Takaaki Hato, Yuichi Ikeda, Toshiki Ochi, Kazushi Tanimoto, Kazuto Takeuchi, Yoshihiro Yakushijin, Katsuto Takenaka (Department of Hematology, Ehime University, Toon, Ehime, Japan)