1. Department of Hematology Atomic Bomb Disease and Hibakusha Medicine Unit Atomic Bomb Disease Institute 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. Biostatistics Section Division of Scientific Data Registry Atomic Bomb Disease Institute Nagasaki University Nagasaki Japan
4. Department of Hematology National Hospital Organization Nagasaki Medical Center Ohmura Japan
5. Department of Hematology Sasebo City General Medical Center Sasebo Japan
6. Department of Hematology Nagasaki University Hospital Nagasaki Japan
7. Department of Hematology Nagasaki Harbor Medical Center Nagasaki Japan
8. Department of Hematology Japan Community Health Care Organization Isahaya General Hospital Isahaya Japan
9. Department of Internal Medicine Saint Francis Hospital Nagasaki Japan
10. Department of Internal Medicine National Hospital Organization Nagasaki Hospital Nagasaki Japan
11. Department of Hematology Japanese Red Cross Nagasaki Genbaku Hospital Nagasaki Japan