[1] Nagoya Univ, Grad Sch Med, Dept Pediat, Nagoya, Aichi, Japan
[2] Kyoto Univ, Grad Sch Med, Dept Pathol & Tumor Biol, Kyoto, Japan
[3] Univ Tokyo, Inst Med Sci, Human Genome Ctr, Lab DNA Informat Anal, Tokyo, Japan
[4] Natl Hosp Org Nagoya Med Ctr, Dept Adv Diag, Clin Res Ctr, Nagoya, Aichi, Japan
[5] Tokyo Womens Med Univ, Dept Transfus Med & Cell Proc, Tokyo, Japan
[6] Nippon Med Sch, Dept Hematol, Tokyo, Japan
[7] Kyushu Univ, Grad Sch Med Sci, Dept Pediat, Fukuoka, Fukuoka, Japan
[8] St Lukes Int Hosp, Dept Pediat, Tokyo, Japan
[9] Tohoku Univ, Grad Sch, Dept Hematol & Rheumatol, Sendai, Miyagi, Japan
[10] Ehime Univ, Grad Sch Med, Dept Pediat, Matsuyama, Ehime, Japan
[11] Hiroshima Univ Hosp, Dept Pediat, Hiroshima, Japan
[12] Shinshu Univ, Sch Med, Dept Pediat, Matsumoto, Nagano, Japan
[13] Shizuoka Childrens Hosp, Dept Hematol Oncol, Shizuoka, Japan
[14] Hirosaki Univ, Grad Sch Med, Dept Pediat, Hirosaki, Aomori, Japan
[15] Kyoto Univ, Ctr Radiat Biol, Dept Late Effects Studies, Lab DNA Damage Signaling, Kyoto, Japan
[16] Tokai Univ Hosp, Dept Cell Transplantat & Regenerat Med, Isehara, Kanagawa, Japan
[17] Univ Tokyo, Inst Med Sci, Human Genome Ctr, Lab Sequence Anal, Tokyo, Japan