Ryosuke Matsuno, Ryota Kaneko, Naoko Okamoto, Sachio Fujita, Masaya Koganesawa, Kosuke Akiyama, Daisuke Toyama, Hirokazu Ikeda, Shohei Yamamoto (Department of Pediatrics, Showa University Fujigaoka Hospital, Yokohama, Japan)

Tasuku Saito, Sumiko Kobayashi, Kazuto Ogura, Shigesaburo Miyakoshi (Hematology, Tokyo Metropolitan Gerontology Hospital and Institute of Gerontology)

Yasumasa Sugita¹, Tomomi Sugaya², Yasuko Nomura², Maiko Yamamoto², Hiroko Seiko³, Chika Manako¹, Atsuko Yamazaki¹ (1.Hematology, Oami Municipal Hospital, Oami-shirasato, Chiba, Japan, 2.Nursing, Oami Municipal Hospital, Oami-shirasato, Chiba, Japan, 3.Pharmacy, Oami Municipal Hospital, Oami-shirasato, Chiba, Japan)

Chisako Ito, Ayana Uchimura, Masahiro Akimoto, Tomohiko Tanigawa, Shinji Ogura, Aki Sakurai, Yuriko Fujita, Yoshinobu Aisa, Tomonori Nakazato (Department of Hematology, Yokohama Municipal Citizen's Hospital)

Takumi Nagakura, Norikazu Mitsui, Toshiro Kawakita, Hironori Sugitani, Akira Kubota, Mitsunori Ueno, Taichi Hirano, Yoshiko Inoue, Tatsunori Sakai, Naoko Harada, Michihiro Hidaka (National Hospital Organization Kumamoto Medical Center, Kumamoto, Japan)

Masahiro Ashizawa¹, Yu Akahoshi², Hirofumi Nakano¹, Shunto Kawamura², Junko Takeshita², Nozomu Yoshino², Yukiko Misaki², Kazuki Yoshimura², Ayumi Gomyo², Masaharu Tamaki², Machiko Kusuda², Kazuaki Kameda², Hidenori Wada², Koji Kawamura², Miki Sato², Kiriko Saito², Aki Tanihara², Shunichi Kimura², Hideki Nakasone², Shinichi Kako², Keiko Akahane³, Masaru Wakatsuki⁴, Katsuyuki Shirai³, Yoshinobu Kanda^1,2 (1.Division of Hematology, Department of Medicine, Jichi Medical University, 2.Division of Hematology, Jichi Medical University Saitama Medical Center, 3.Division of Radiology, Jichi Medical University Saitama Medical Center, 4.Department of Radiology, Jichi Medical University)

Ken Ota^1,3, Tomoaki Akagi², Takahiko Fujii¹, Satoru Yamashita³, Toru Ebina³, Takuto Tachita³, Kosuke Kamata³, Kohei Yamaguchi³, Ko Mayama³, Kazufumi Yamagata³, Yoshiko Tamai⁴, Hideki Takami⁵, Shinsaku Fukuda³, Kohmei Kubo¹ (1.Department of Hematology, Aomori Prefectural Central Hospital, 2.Department of Transfusion Medicine, Aomori Prefectural Central Hospital, 3.Department of Gastroenterology and Hematology, Hirosaki University, 4.Division of Blood Transfusion, Hirosaki University Hospital, 5.Hirosaki University School of Health Sciences)

Takashi Koike¹, Eri Imai¹, Keisuke Otsubo¹, Tsuyoshi Morimoto¹, Shunichi Kato², Miharu Yabe², Hiromasa Yabe² (1.Tokai University, Pediatrics, Isehara, Japan, 2.Tokai University, Cell Transplantation and Regenetrative Medicine, Isehara, Japan)