Ying-Jung Huang¹, Hsi-Che Liu², Ting-Chi Yeh², Tang-Her Jaing^3,4, Chao-Ping Yang³, Shih-Hsiang Chen^3,4, Jen-Yin Hou², Tung-Huei Lin¹, Iou-Jih Hung³, Lee-Yung Shih^1,4 (1.Division of Hematology-Oncology, Chang Gung Memorial Hospital at Linkou, Taoyuan, Taiwan, 2.Division of Pediatric Hematology-Oncology, Mackay Memorial Hospital, Taipei, Taiwan, 3.Division of Pediatric Hematology-Oncology, Chang Gung Memorial Hospital at Linkou, Taoyuan, Taiwan, 4.College of Medicine, Chang Gung University, Taoyuan, Taiwan)

Junichi Hashiguchi¹, Masahiro Onozawa¹, Shinichi Fujisawa², Shuichiro Takahashi¹, Naohiro Miyashita¹, Eiko Hayase¹, Souichi Shiratori¹, Hideki Goto¹, Junichi Sugita¹, Masao Nakagawa¹, Daigo Hashimoto¹, Kaoru Kahata¹, Tomoyuki Endo¹, Satoshi Yamamoto³, Yutaka Tsutsumi⁴, Yoshihito Haseyama⁵, Takahiro Nagashima⁶, Akio Mori⁷, Shuichi Ota⁸, Takuto Miyagishima⁹, Yasutaka Kakinoki¹⁰, Mitsutoshi Kurosawa¹¹, Hiroshi Iwasaki¹², Takeshi Kondo⁷, Takanori Teshima¹ (1.Department of Hematology, Hokkaido University Faculty of Medicine, 2.Division of Laboratory and Transfusion Medicine, Hokkaido University Hospital, 3.Sapporo City General Hospital, 4.Hakodate Municipal Hospital, 5.Tonan Hospital, 6.Japanese Red Cross Kitami Hospital, 7.Aiiku Hospital, 8.Sapporo Hokuyu Hospital, 9.Kushiro Rosai Hospital, 10.Asahikawa City Hospital, 11.Hokkaido Cancer Center, 12.Sapporo Kosei General Hospital)

Yu Zhang¹, Yang Zhang¹, Fang Wang¹, Xue Chen¹, Mingyu Wang¹, Hong Liu¹, Panxiang Cao¹, Hongxing Liu^1,2 (1.Hebei Yanda Lu Daopei Hospital, Langfang, People's Republic of China, 2.Beijing Lu Daopei Institute of Hematology, Beijing, People's Republic of China)

Mitsuko Akaihata¹, Tomomi Yamada^1,2, Miho Yamada¹, Yuka Iijima¹, Dai Nishijima¹, Mayu Mouri¹, Tomomi Ishida¹, Mika Fuyama¹, Kanako Okada¹, Toshinori Hori², Masashi Sanada¹, Keizo Horibe¹ (1.Clinical research center, Nagoya medical center, Nagoya, Japan, 2.Aichi Medical University, Nagoya, Japan)

Mariko Eguchi¹, Minenori Eguchi-Ishimae¹, Kyoko Moritani¹, Kozo Nagai¹, Sachiko Yonezawa², Mari Tezuka¹, Hisamichi Tauchi¹, Eiichi Ishii¹ (1.Pediatrics, Ehime University Graduate School of Medicine, Toon, Ehime, Japan, 2.Pediatrics, Matsuyama Red Cross Hospital)

Akira Nishimura¹, Shinsuke Hirabayashi¹, Shoichiro Kanabuchi¹, Kaoru Yamamoto¹, Saori Aiga¹, Yosuke Hosoya¹, Kentaro Ohki², Nobutaka Kiyokawa², Daisuke Hasegawa¹, Atsushi Manabe¹ (1.Department of Pediatrics, St.Luke's International Hospital, Tokyo, Japan, 2.National Research Institute for Child Health and Development, Tokyo, Japan)