| Affiliation: | 1. Department of Haematology, Chiba University Hospital, , Chiba, Japan;2. Division of Haematology‐Oncology, Chiba Cancer Centre Hospital, , Chiba, Japan;3. Department of Haematology, Teikyo University Chiba Medical Centre, , Chiba, Japan;4. Department of Haematology, Oami Municipal Hospital, , Chiba, Japan;5. Department of Haematology, Chiba Rousai Hospital, , Chiba, Japan;6. Department of Internal Medicine, Asahi General Hospital, , Chiba, Japan;7. Department of Haematology, Juntendo‐Urayasu Hospital, , Chiba, Japan;8. Department of Haematology, Chiba Aoba Municipal Hospital, , Chiba, Japan;9. Division of Haematology?Oncology, Kameda General Hospital, , Chiba, Japan;10. Department of Internal Medicine, Nippon Medical School Chiba Hokusoh Hospital, , Chiba, Japan;11. Department of Haematology and Oncology, Japanese Red Cross Narita Hospital, , Chiba, Japan |
