Author information:
(1)1] Department of Cellular and Molecular Medicine, Graduate School of 
Medicine, Chiba University, 1-8-1 Inohana, Chuo-ku, Chiba 260-8670, Japan [2] 
JST, CREST, 7 Gobancho, Chiyoda-ku, Tokyo 102-0076, Japan.
(2)1] Department of Hematology and Oncology, Research Institute for Radiation 
Biology and Medicine, Hiroshima University, 1-2-3 Kasumi, Minami-ku, Hiroshima 
734-8553, Japan [2].
(3)Division of Molecular Oncology, Research Institute for Radiation Biology and 
Medicine, Hiroshima University, 1-2-3 Kasumi, Minami-ku, Hiroshima 734-8553, 
Japan.
(4)1] Division of Radiation Information Registry, Research Institute for 
Radiation Biology and Medicine, Hiroshima University, 1-2-3 Kasumi, Minami-ku, 
Hiroshima 734-8553, Japan [2].
(5)1] Department of Cellular and Molecular Medicine, Graduate School of 
Medicine, Chiba University, 1-8-1 Inohana, Chuo-ku, Chiba 260-8670, Japan [2] 
Department of Hematology, Chiba University Hospital, 1-8-1 Inohana, Chuo-ku, 
Chiba 260-8670, Japan.
(6)1] Division of Pathology, Cincinnati Children's Hospital Medical Center, 3333 
Burnet Avenue, Cincinnati, Ohio 45229-3026, USA [2] Division of Experimental 
Hematology and Cancer Biology, Cincinnati Children's Hospital Medical Center, 
3333 Burnet Avenue, Cincinnati, Ohio 45229-3026, USA.
(7)Department of Allergy and Clinical Immunology, Graduate School of Medicine, 
Chiba University, 1-8-1 Inohana, Chuo-ku, Chiba 260-8670, Japan.
(8)1] JST, CREST, 7 Gobancho, Chiyoda-ku, Tokyo 102-0076, Japan [2] Laboratory 
for Lymphocyte Development, RIKEN Center for Integrative Medical Sciences, 
1-7-22 Suehiro-cho, Tsurumi-ku, Yokohama, Kanagawa 230-0045, Japan.
(9)Division of Cellular Therapy and Division of Stem Cell Signaling, Institute 
of Medical Science, University of Tokyo, 4-6-1 Shirokanedai, Minato, Tokyo 
108-8639, Japan.