Ryu Yanagisawa^1,2,3, Yozo Nakazawa², Kazuyuki Matsuda⁴, Takahiro Yasumi⁵, Hirokazu Kanegane⁶, Shouichi Ohga⁷, Akira Morimoto⁸, Akiko Saito³, Keizo Horibe³, Eiichi Ishii^3,9 (1.Division of Blood Transfusion, Shinshu University Hospital, Matsumoto, Japan, 2.Department of Pediatrics, Shinshu University School of Medicine, Matsumoto, Japan, 3.Clinical Research Center, Nagoya Medical Center, Nagoya, Japan, 4.Department of Laboratory Medicine, Shinshu University Hospital, Matsumoto, Japan, 5.Department of Pediatrics, Kyoto University, Kyoto, Japan, 6.Department of Pediatrics, Tokyo Medical and Dental University, Tokyo, Japan, 7.Department of Pediatrics, Kyushu University, Fukuoka, Japan, 8.Department of Pediatrics, Jichi Medical University of Medicine, Tochigi, Japan, 9.Department of Pediatrics, Ehime University, Toon, Japan)

Kazuhiro Toyama, Ayato Tsukamoto, Sho Yamazaki, Fumihiko Nakamura, Mineo Kurokawa (Department of Hematology and Oncology, The University of Tokyo)

Takeshi Hara^1,2, Yuhei Shibata², Ryoko Mabuchi², Takuro Matsumoto², Nobuhiko Nakamura², Hiroshi Nakamura², Soranobu Ninomiya², Junichi Kitagawa², Nobuhiro Kanemura², Kenji Fukuno², Hisashi Tsurumi^1,2 (1.Dept. Hematol., Matsunami General Hosp., Gifu, Japan, 2.Dept. Hematol., Gifu Univ., Gifu, Japan)

Shin Lee^1,2, Eiju Negoro¹, Hikaru Tsukasaki², Keiichi Kinoshita², Shin Imamura², Kenichi Kamiya², Takanori Ueda¹, Takahiro Yamauchi¹ (1.Department of Hematology and Oncology, University of Fukui, Fukui, Japan, 2.Department of Hematology, Fukui Red Cross Hospital, Fukui, Japan)

Yotaro Motomura, Tomoyuki Arimatsu, Saeko Sonokawa, Sayaka Suzuki, Keigo Okada, Takashi Kumagai (Department of Hematology, Ome Municipal General Hospital, Tokyo, Japan)

Masako Nishikawa¹, Makoto Kurano¹, Takahiro Nitta², Hirotaka Kanoh², Jin-Ichi Inokuchi², Yutaka Yatomi¹ (1.Department of Clinical Laboratory Medicine, University of Tokyo, Tokyo, Japan, 2.Division of Glycopathology, Tohoku Medical and Pharmaceutical University, Sendai, Japan)