1. Division of Medical Oncology, Hematology and Infectious Diseases, Department of Medicine, School of Medicine, Fukuoka University, Fukuoka, Japan;
2. Department of Hematology, Imamura Bun-in Hospital, Kagoshima, Japan;
3. Department of Hematology, National Hospital Organization Kagoshima Medical Center, Kagoshima, Japan;
4. Department of Hematology, Hamanomachi Hospital, Fukuoka, Japan;
5. Department of Hematology, Sasebo City General Hospital, Sasebo, Japan;
6. Department of Hematology, Oita Prefectural Hospital, Oita, Japan;
7. Department of Internal Medicine, Karatsu Red Cross Hospital, Karatsu, Japan;
8. Division of Hematology, Respiratory Medicine and Oncology, Department of Internal Medicine, Faculty of Medicine, Saga University, Saga, Japan;
9. Department of Hematology, National Kyushu Cancer Center, Fukuoka, Japan;
10. Department of Hematology, National Hospital Organization Nagasaki Medical Center, Omura, Japan;
11. Department of Internal Medicine, Miyazaki Prefectural Hospital, Miyazaki, Japan;
12. Department of Hematology, Atomic Bomb Disease and Hibakusha Medicine Unit, Atomic Bomb Disease Institute, Nagasaki University Graduate School of Biomedical Science, Nagasaki, Japan;
13. Department of Hematology, Kumamoto Shinto General Hospital, Kumamoto, Japan;
14. Department of Internal Medicine, Kitakyushu Municipal Medical Center, Kitakyushu, Japan;
15. Department of Internal Medicine, Koga General Hospital, Miyazaki, Japan;
16. Department of Hematology, Japanese Red Cross Nagasaki Genbaku Hospital, Nagasaki, Japan;
17. Department of Dermatology, Miyazaki University, Miyazaki, Japan;
18. Department of Dermatology, University of Occupational and Environmental Health, Kitakyushu, Japan;
19. Clinical Research Institute, National Kyushu Cancer Center, Fukuoka, Japan;
20. Department of Dermatology, Kagoshima University Graduate School of Medical and Dental Sciences, Kagoshima, Japan; and
21. Cancer Center, Shimane University Hospital, Izumo, Japan