1. Department of Quality Japanese Red Cross Kyushu Block Blood Centre Chikushino Japan
2. Department of Haematology Imamura General Hospital Kagoshima Japan
3. Department of Haematology and Oncology, Research Hospital, Institute of Medical Science The University of Tokyo Tokyo Japan
4. Department of Practical Management of Medical Information St. Marianna University Graduate School of Medicine Kawasaki Japan
5. Central Blood Institute, Blood Service Headquarters Japanese Red Cross Society Tokyo Japan