Jun Okubo, Mamoru Honda, Yukayo Terashita, Minako Sugiyama, Yuko Cho, Akihiro Iguchi (pediatrics.,Hokkaido University, Sapporo, Japan)

Keisuke Okuno, Jun-Ichi Ueyama, Hitoshi Sano, Daisuke Kawaba, Sousuke Kakee, Susumu Kanzaki (Division of Pediatrics and Perinatology, Tottori University, Yonago, Japan)

Yong-Mei Guo, Takahiro Kobayashi, Takaya Yamashita, Miho Nara, Kumi Ubukawa, Atsushi Watanabe, Masumi Fujishima, Naohito Fujishima, Tomoko Yoshioka, Yoshihiro Kameoka, Naoto Takahashi (department of Hematology,Nephrology,Rhumatology of Akita Univ.,Akita,Japan)

Kazuyoshi Ishii, Yoshiko Azuma, Akiko Konishi, Yukie Tsubokura, Hideaki Yoshimura, Masaaki Hotta, Takahisa Nakanishi, Shinya Fujita, Aya Nakaya, Atsushi Satake, Michihiko Miyaji, Tomoki Ito, Shosaku Nomura (Internal Medicine, Kansai Medical University, Hirakata, Japan)

Hirofumi Irita¹, Daisuke Nagase¹, Ai Hirota¹, Katsuhito Kashiwagi¹, Yurika Mitsui¹, Akiko Shibuya¹, Megumi Wakayama², Motohiro Katoh¹, Haruka Fujino¹, Yasunobu Kuraishi¹, Tetsuo Nemoto², Kazutoshi Shibuya², Kazuhiko Natori¹ (1.Department of Hematology and Oncology,Toho Univ,Tokyo Japan, 2.Department of Surgical Pathology school of medicine,Toho Univ,Tokyo Japan)

Asuka Shibamiya¹, Takahiro Makino², Ryuko Cho¹ (1.Hematol, Saiseikai Narashino Hospital, Chiba, Japan, 2.Neurology, Saiseikai Narashino Hospital, Chiba, Japan)

Yasumichi Toki¹, Katsuya Ikuta¹, Takeshi Saito¹, Mayumi Hatayama¹, Motohiro Shindo¹, Yoshihiro Torimoto², Toshikatsu Okumura¹ (1.Division of Gastroenterology and Hematology/Oncology, Asahikawa Medical University, Asahikawa, Japan, 2.Oncology Center, Asahikawa Medical University Hospital, Asahikawa, Japan)

Yuuji Nishioka¹, Yasunobu Sekiguchi¹, Keiji Sugimoto¹, Sakura Sakajiri¹, Mutsumi Wakabayashi¹, Haruko Takizawa¹, Hiroko Iizuka¹, Norio Komatsu², Masaaki Noguchi¹ (1.Hematol, Department of Hematology, Juntendo University Urayasu Hospital, Chiba, Japan, 2.Department of Hematology, Juntendo University School)