1. Department of Hematology/Oncology, Kyushu University Hospital, Japan
2. Department of Internal Medicine, Matsuyama Red-Cross Hospital, Japan
3. Department of Hematology, Kitakyushu Municipal Medical Center, Japan
4. Department of Hematology, Hara-Sanshin Hospital, Japan
5. Department of Hematology, Hamanomachi Hospital, Japan
6. Division of Medical Oncology, Hematology, and Infectious Disease, Fukuoka University Hospital, Japan
7. Department of Hematology and Oncology, Hokkaido University Graduate School of Medicine, Japan