1. Division of Oncology and Hematology Jikei University Kashiwa Hospital Kashiwa Japan
2. Division of Hematology Juntendo University Urayasu Hospital Chiba Japan
3. Department of Hematology/Infectious Disease Ise Red Cross Hospital Ise Japan
4. Department of Hematology Omori Red Cross Hospital Tokyo Japan
5. Department of Hematology National Hospital Organization Sendai Medical Center Sendai Japan
6. Division of Hematology and Oncology Gunma Cancer Center Ohta Japan
7. Department of Internal Medicine Hitachi General Hospital Ibaraki Japan
8. Division of Hematology‐Oncology Chiba Cancer Center Chiba Japan
9. Department of Hematology Chiba Rosai Hospital Chiba Japan
10. Department of Hematology Chibaken Saiseikai Narashino Hospital Narashino Japan
11. Department of Hematology Tsuchiura Kyodo General Hospital Tsuchiura Japan
12. Third Department of Internal Medicine Yamaguchi University Yamaguchi Japan
13. Division of Molecular Therapy Institute of Medical Science Tokyo University Tokyo Japan
14. Division of Hematology and Oncology Japanese Red Cross Society Narita Red Cross Hospital Narita Japan