1. Department of Hematology and Oncology Nagoya University Graduate School of Medicine Nagoya Japan
2. Amgen Inc. Thousand Oaks California USA
3. Jichi Medical University Tochigi‐ken Japan
4. Okayama University Hospital Okayama Japan
5. Medical Oncology/Hematology Kobe University Graduate School of Medicine and Hospital Kobe Japan
6. Department of Medicine and Biosystemic Science Kyushu University Graduate School of Medical Science Fukuoka Japan
7. Leukemia Research Center Saiseikai Maebashi Hospital Maebashi Japan
8. National Hospital Organization Nagoya Medical Center Nagoya Japan
9. Amgen Inc. South San Francisco California USA
10. Department of Hematology Nagasaki University Hospital Nagasaki Japan
11. Department of Hematology Graduate School of Medicine Osaka City University Osaka Japan
12. National Cancer Center Hospital Tokyo Japan
13. International University of Health and Welfare Mita Hospital Tokyo Japan