[1] Hirosaki Univ, Grad Sch Med, Dept Pediat, Hirosaki, Aomori, Japan
[2] Univ Tokyo, Grad Sch Med, Canc Genom Project, Tokyo, Japan
[3] Kyoto Univ, Grad Sch Med, Dept Pathol & Tumor Biol, Kyoto, Japan
[4] Univ Miyazaki, Frontier Sci Res Ctr, Miyazaki, Japan
[5] Tohoku Univ, Grad Sch Med, Dept Pediat, Sendai, Miyagi, Japan
[6] Nagoya Univ, Grad Sch Med, Dept Pediat, Nagoya, Aichi, Japan
[7] Univ Tokyo
[8] Univ Tokyo
[9] Tokyo Womens Med Univ, Dept Transfus Med & Cell Proc, Tokyo, Japan
[10] Kyushu Univ, Grad Sch Med, Dept Pediat, Fukuoka, Japan
[11] Toho Univ, Omori Hosp, Dept Pediat, Tokyo, Japan