1. Department of Hematology Atomic Bomb Disease and Hibakusya Medicine Unit Atomic Bomb Disease Institute Nagasaki University NagasakiJapan
2. Department of HematologyNagasaki University Graduate School of Biomedical Sciences Nagasaki Japan
3. Department of Frontier Life Science Nagasaki University Graduate School of Biomedical Sciences NagasakiJapan
4. Division of Scientific Data Registry Atomic Bomb Disease and Hibakusya Medicine Unit Atomic Bomb Disease Institute Nagasaki University NagasakiJapan
5. Nagasaki Prefectural Cancer Registry NagasakiJapan
6. Department of Epidemiology Radiation Effects Research Foundation NagasakiJapan
7. Department of Hematology Japanese Red Cross Nagasaki Genbaku Hospital NagasakiJapan
8. Department of Internal Medicine St. Francis Hospital NagasakiJapan
9. Department of Internal Medicine Nagasaki Harbor Medical Center City Hospital NagasakiJapan
10. Department of Hematology Nagasaki University Hospital Nagasaki Japan