1. Department of Transfusion Service Juntendo University Urayasu Hospital Chiba Japan
2. Department of Transfusion Medicine and Stem Cell Regulation Juntendo University Graduate School of Medicine Tokyo Japan
3. Department of Transfusion Service Juntendo University Hospital Tokyo Japan
4. Department of Clinical Laboratory Medicine Juntendo University Urayasu Hospital Chiba Japan
5. Institute for Environmental & Gender‐specific Medicine Juntendo University Graduate School of Medicine Chiba Japan
6. Department of Hematology Juntendo University Urayasu Hospital Chiba Japan
7. Department of Hematology Juntendo University Hospital Tokyo Japan