Tatsuhiko Tanaka, Ko Kudo, Akie Kobayashi, Tomohiko Sato, Takuya Kamio, Shinya Sasaki, Tsutomu Toki, Kiminori Terui, Etsuro Ito (Department of Pediatrics, Hirosaki University School of Medicine, Hirosaki, Japan)

Yasunori Iida, Reiji Fukano, Takuya Ichimura, Yoshihiro Azuma, Shunji Hasegawa (Department of Pediatrics, Yamaguchi University Graduate School of Medicine)

Kohei Higuchi, Akihisa Sawada, Mariko Shimizu, Tatsuro Nakanishi, Yosuke Okada, Maho Sato, Masahiro Yasui, Masami Inoue (Department of Hematology/Oncology, Osaka Women’s and Children’s Hospital, Osaka, Japan)