Tanyaporn Thisyakorn¹, Thamathorn Assanasen², Preecha Ruangvejvorachai², Chantana Polprasert¹ (1.Devision of Hematology, Department of Medicine, King Chulalongkorn Memorial Hospital and Chulalongkorn University, Bangkok, Kingdom of Thailand, 2.Department of Pathology, King Chulalongkorn Memorial Hospital and Chulalongkorn University, Bangkok, Kingdom of Thailand)

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

Yukiko Komori, Haruya Okamoto, Naoko Tatsumi, Nana Sasaki, Yasuhiko Tsutsumi, Eri Kawata, Teruaki Akaogi, Yutaka Kobayashi, Nobuhiko Uoshima (Hematol., Japanese Red Cross Kyoto Daini Hospital, Kyoto, Japan)

Marina Matsui, Kazunari Yamada, Koichi Kajiwara, Yuichi Takeuchi, Masao Tukada, Kan-Ichi Iwama, Hideki Kodo, Yasuji Kozai (Department of Hematology Tokyo Metropolitan Tama Medical Center)

Hiroyuki Kubo, Osamu Imataki, Shumpei Uchida, Shigeyuki Yokokura, Makiko Uemura, Norimitsu Kadowaki (Division of Hematology, Faculty of Medicine, Kagawa University, Kagawa, Japan)

Manabu Matsunawa¹, Fumiaki Sano¹, Kunihiro Yagihashi², Yoshio Aida³, Madoka Takimoto¹, Yu Uemura¹, Yusuke Saiki¹, Yasuyuki Inoue¹, Ikuo Miura⁴ (1.Division of Hematology, Seibu Hospital, St. Marianna University, 2.Department of Radiology, Seibu Hospital, St. Marianna University, 3.Department of Pathology, Seibu Hospital, St. Marianna University, 4.Division of Hematology and Oncology, St. Marianna University)

Yuta Baba, Bungo Saito, Shotaro Shimada, Yohei Sasaki, Maasa Abe, So Murai, Shun Fujiwara, Nana Arai, Yukiko Kawaguchi, Nobuyuki Kabasawa, Hiroyuki Tsukamoto, Yui Uto, Kouji Yanagisawa, Norimichi Hattori, Hiroshi Harada, Tsuyoshi Nakamaki (Department of Medicine, Division of Hematology, Showa Uni., Tokyo, Japan)