1. Division of Cell Transplantation and Transfusion, Jichi Medical University Hospital
2. Department of Transfusion Medicine and Cell Processing, Tokyo Women's Medical University Hospital
3. Division of Clinical Laboratory, Aomori Prefectural Central Hospital
4. Division of Transfusion Medicine and Cell Therapy, The Jikei University Hospital
5. Subcommittee on Comprehensive Survey of Blood Transfusion Services
6. Japanese Red Cross Society Tokai Hokuriku Block Blood Center
7. Department of Transfusion Medicine and Cell Therapy, Saitama Medical Center, Saitama Medical University
8. Japanese Red Cross Kumamoto Red Cross Blood Center
9. Transfusion Medicine, Hachioji Medical Center of Tokyo Medical University Hospital