Raita Araki^1,2, Ryosei Nishimura³, Shintaro Mase⁴, Kazuhiro Noguchi², Toshihiro Fujiki², Rie Kuroda², Hideaki Maeba², Akihiro Yachie² (1.Department of Pediatrics, Ishikawa Prefectural Central Hospital, Kanazawa, Japan, 2.Department of Pediatrics, Kanazawa University, Kanazawa, Japan, 3.Shimizu Pediatric Clinic, Takaoka, Japan, 4.Department of Pediatrics, Kouseiren Namerikawa Hospital, Namerikawa, Japan)

Torataro Takaki, Makiko Mori, Masahiro Sugawa, Jun Noguchi, Masato Yanagi, Toshikazu Itabashi, Kiyotaka Isobe, Yuki Arakawa, Katsuyoshi Koh (Department of Hematology and Oncology, Saitama Children Medical Center, Saitama, Japan)

Masanobu Takeuchi¹, Yuko Shimosato¹, Masahiro Yoshitomi¹, Koji Sasaki¹, Norio Shiba¹, Reo Tanoshima², Chie Emoto³, Tsuyoshi Fukuda³, Shuichi Ito¹ (1.Department of Pediatrics, Yokohama City University Hospital, Yokohama, Japan, 2.Pharmaceutical Outcomes Program, British Columbia Children’s Hospital, Vancouver, British Columbia, Canada, 3.Division of Clinical Pharmacology, Cincinnati Children’s Hospital Medical Center, Cincinnati, Ohio, USA)

Tomoyuki Utano¹, Motohiro Kato², Tomoo Osumi², Yoko Shioda², Chikako Kiyotani², Keita Terashima², Daisuke Tomizawa², Kimikazu Matsumoto², Akimasa Yamatani¹ (1.Department of Pharmacy, National Center for Child Health and Development, Tokyo, Japan, 2.Children’s Cancer Center, National Center for Child Health and Development, Tokyo, Japan)

Atsuro Saito¹, Yoshiyuki Kosaka^1,2, Daiichiro Hasegawa¹, Masataka Ishimura², Nobuyuki Hyakuna², Kazuko Kudo², Chiai Nagae², Hirohide Kawasaki², Akira Ishiguro², Midori Shima², Masashi Taki², Shouichi Ohga² (1.Department of Hematology and Oncology, Kobe Children’s Hospital. Kobe, Japan, 2.Hemostasis/Thrombosis Committee, The Japanese Society of Pediatric Hematology/Oncology)