1. Department of Hematology, Atomic Bomb Disease and Hibakusha Medicine Unit, Nagasaki University Graduate School of Biomedical Sciences, Nagasaki, Japan
2. Department of Hematology, Atomic Bomb Disease and Hibakusha Medicine Unit, Atomic Bomb Disease Institute, Nagasaki University, Nagasaki, Japan
3. Department of Hematology, National Hospital Organization Nagasaki Medical Center, Nagasaki, Japan
4. Department of Hematology, Nagasaki University Hospital, Nagasaki, Japan
5. Department of Human Genetics, Atomic Bomb Disease Institute, Nagasaki University Graduate School of Biomedical Sciences, Nagasaki, Japan
6. Transfusion and Cell Therapy Unit, Nagasaki University Hospital, Nagasaki, Japan
7. Division of Advanced Preventive Medical Sciences and Leading Medical Research Core Unit, Nagasaki University Graduate School of Biomedical Sciences, Nagasaki, Japan