Satoshi Ichikawa¹, Noriko Fukuhara¹, Kei Saito¹, Tsuyoshi Shirai¹, Yasushi Onishi¹, Hiroshi Fujii¹, Ryo Ichinohasama², Hideo Harigae¹ (1.Hematol. and Rheumatol. Tohoku Univ. Hosp., Sendai, Japan, 2.Hematopathol., Tohoku Univ. Hosp., Sendai, Japan)

Shun Fujiwara, Norimichi Hattori, Ayaka Nakata, Yohei Sasaki, Shotaro Shimada, Maasa Abe, Yuta Baba, So Murai, Megumi Watanuki, Nana Arai, Yukiko Kawaguchi, Nobuyuki Kabasawa, Hiroyuki Tsukamoto, Yui Uto, Bungo Saito, Kouji Yanagisawa, Tsuyoshi Nakamaki (Hematol., Showa Univ., Tokyo, Japan)

Akari Goto, Satoshi Iyama, Ayumi Tatekoshi, Kana Nagashima, Chisa Fujita, Hiroto Horiguchi, Shohei Kikuchi, Hiroshi Ikeda, Masayoshi Kobune (Dept. Hematol., Sapporo Med Univ., Sapporo, Japan)

Hiromi Koiso^1,2, Akihiko Yokohama³, Takuma Ishizaki¹, Hiroaki Shimizu¹, Makiko Takizawa¹, Yuri Miyazawa¹, Takayuki Saito⁴, Junko Hirato⁵, Masami Murakami⁶, Norifumi Tsukamoto⁷, Hiroshi Handa¹ (1.Department Hematology, Gunma university Hospital, Maebashi, Japan, 2.Infection Control and Prevention Center, Gunma University Hospital, Maebashi, Japan, 3.Blood Transfusion Service, Gunma University Hospital, Maebashi, Japan, 4.School of Health Sciences, Gunma University. Maebashi, Japan, 5.Clinical Department of Pathology, Gunma University Hospital, Maebashi, Japan, 6.Department of Clinical laboratory Medicine, Gunma University, Maebashi, Japan, 7.Oncology Center, Gunma University Hospital, Maebashi, Japan)

Satoshi Kaito^1,2, Hideharu Muto¹, Hiroyuki Kato³, Ryosuke Konuma^1,2, Tatsuya Konishi^1,2, Shuichi Miyawaki¹, Kazuteru Ohashi², Junji Tomiyama¹ (1.Hematology Division, Tokyo Metropolitan Ohtsuka Hospital, 2.Hematology Division, Tokyo Metropolitan Komagome Hospital, 3.Department of Diagnostic Pathology, Tokyo Metropolitan Ohtsuka Hospital)

Moriaki Tachibana¹, Minoru Kojima¹, Shigesaburo Miyakoshi², Takahiko Sugihara³, Tomio Arai⁴, Ko Miyamoto¹ (1.Department of Chemotherapy, Tokyo Metropolitan Geriatric Medical Center, Tokyo, Japan, 2.Department of Hematology, Tokyo Metropolitan Geriatric Medical Center, Tokyo, Japan, 3.Department of Rheumatology, Tokyo Metropolitan Geriatric Medical Center, Tokyo, Japan, 4.Department of Pathology, Tokyo Metropolitan Geriatric Medical Center, Tokyo, Japan)

Yu Murakami¹, Masahiko Chiwata^1,2, Yoshitaka Imaizumi², Yuji Kobayashi¹, Jun Nakashima^1,3, Takeharu Kato¹, Masahiro Ito⁴, Shinichiro Yoshida¹, Koichi Ohshima⁵, Yasushi Miyazaki² (1.Hematol., National Hospital Organization Nagasaki Medical Center, Nagasaki, Japan, 2.Department of Hematology, Nagasaki University Hospital, Nagasaki, Japan, 3.Hematol., Japan Community Healthcare Organization (JCHO), Isahaya General Hospital, Japan, 4.Pathol., National Hospital Organization Nagasaki Medical Center, Nagasaki, Japan, 5.Department of Pathology, School of Medicine, Kurume University, Fukuoka, Japan)