1. Department of Hematology and Oncology, Research Institute for Radiation Biology and Medicine (RIRBM), Hiroshima University, Hiroshima, Japan
2. Division of Transfusion Medicine, Hiroshima University Hospital, Hiroshima, Japan
3. Next Generation Development of Genome and Cellular Therapy Program, Research Institute for Radiation Biology and Medicine (RIRBM), Hiroshima University, Hiroshima, Japan