Hideaki Nitta¹, Akihiko Gotoh¹, Masaru Tanaka¹, Norio Komatsu¹, Yasunobu Sekiguchi², Masaaki Noguchi², Yasunori Ota³ (1.Department of Hematology, Juntendo University School of Medicine, Tokyo, Japan, 2.Department of Hematology, Juntendo University Urayasu Hospital, Urayasu, Japan., 3.Department of Pathology, Teikyo University, Tokyo, Japan.)

Yuto Kaneda¹, Takuro Matsumoto¹, Nobuhiko Nakamura¹, Hiroshi Nakamura¹, Soranobu Ninomiya¹, Junichi Kitagawa¹, Nobuhiro Kanemura¹, Masahito Shimizu¹, Takeshi Hara^1,2, Hisashi Tsurumi^1,2 (1.Dept. Hematol., Gifu Univ. Grad. Sch. Med., Gifu, Japan, 2.Dept. Hematol., Matsunami General Hosp., Gifu, Japan)

Hideaki Yoshimura, Akiko Konishi, Yukie Tsubokura, Yoshiko Azuma, Masaaki Hotta, Takahisa Nakanishi, Shinya Fujita, Aya Nakaya, Atsushi Satake, Michihiko Miyaji, Tomoki Ito, Kazuyoshi Ishii, Shosaku Nomura (1st dpt of internal medicine, Kansai Medical University,Osaka,Japan)

Takuro Kuriyama, Yayoi Matsuo, Shuro Yoshida, Hideho Henzan, Tadafumi Iino, Tetsuya Eto (Department of Hematology, Hamanomachi Hospital, Fukuoka, Japan)

Shin-Ichiro Kawaguchi, Shin-Ichiro Fujiwara, Yuya Shirato, Takashi Ikeda, Yumiko Toda, Shoko Ito, Shin-Ichi Ochi, Takashi Nagayama, Kiyomi Mashima, Kento Umino, Daisuke Minakata, Hirofumi Nakano, Kaoru Morita, Ryoko Yamasaki, Yasufumi Kawasaki, Miyuki Sugimoto, Masahiro Ashizawa, Chihiro Yamamoto, Kaoru Hatano, Kazuya Sato, Iekuni Oh, Ken Ohmine, Kazuo Muroi, Yoshinobu Kanda (Hematol., Jichi Med Univ., Tochigi, Japan)

Shinichi Ito¹, Yutaka Tsutsumi¹, Takahiro Sekine¹, Satomi Matsuoka¹, Yoshiya Yamamoto² (1.Department of Hematology, Hakodate Municipal Hospital, Hakodate, Japan, 2.Department of Gastroentelology and hepatology, Hakodate Municipal Hospital, Hakodate, Japan)