Akiko Hayashi¹, Wataru Nakamura¹, Sachio Fujita¹, Naoyuki Miyagawa¹, Tomoko Yokosuka¹, Satoshi Hamanoue¹, Masae Shiomi¹, Fuminori Iwasaki¹, Shoko Goto¹, Ryuko Kobayashi², Jun-Ichi Nagai², Hiroaki Goto¹ (1.Hemato-Oncology, Kanagawa Children's Medical Center, Yokohama, Japan, 2.Clinical labolatory,, Kanagawa Children's Medical Center, Yokohama, Japan)

Yukio Hirabayashi¹, Toshiro Ito¹, Shuji Matsuzawa¹, Naoya Kaneko¹, Rei Isobe¹, Hideyuki Nakazawa², Kiyoshi Kitano¹ (1.Division of Hematology, NHO, Matsumoto Medical Center, Nagano, Japan, 2.Division of Hematology, Shinshu Univ. Sch. Med., Nagano, Japan)

Shoichi Doi¹, Wataru Kishimoto¹, Tsuneyoshi Hamada¹, Chiyoko Ueda¹, Toshinori Moriguchi¹, Kayoko Kato² (1.Hematol.Div.,Kyoto-Katsura Hospital,Kyoto,Japan, 2.Clin.Labo.,Kyoto-Katsura Hospital,Kyoto,Japan)

Asako Nomura, Chigusa Kitayama, Shinpei Harada, Takahiro Nagashima (Department of internal medicine, Red Cross Kitami Hospital, Hokkaido, Japan)

Keiko Aizawa¹, Satoshi Ito¹, Ryo Yanagiya¹, Akane Yamada¹, Kyoko Inokura¹, Yosuke Shiono¹, Tomomi Toubai¹, Yuichi Kato¹, Soichi Saito², Hiroaki Kumagai³, Kenichi Ishizawa¹ (1.The Third Department of Internal Medicine, Yamagata University, Yamagata, 2.Department of Internal Medicine, Nihonkai General Hospital, Yamagata, 3.Department of Hematology, Yamagata Prefectural Central Hospital, Yamagata)

Hiroshi Shiragami, Yayoi Shimazu, Yutaka Shimazu, Satoko Oka, Masaharu Nohgawa (Hematol, Japanese Red Cross Wakayama Medical Center, wakayama, Japan)

Tatsuma Morikita, Miho Watanabe, Yoshitaka Kikukawa (Division of Medical Oncology, Saiseikai Kumamoto Hospital, Kumamoto, Japan)

Katsunori Kyoda, Yuu Seiki (Dep. Hematol., Kouseiren Takaoka Hosp., Toyama, Japan)