1. Department of Anesthesiology, Keiyu Hospital (Present affiliation: Department of Anesthesiology and Pain Medicine, Juntendo University, Faculty of Medicine)
2. The Kanagawa Prefectural Joint Committee of Blood Transfusion Therapy
3. Clinical Laboratory, Keiyu Hospital
4. Department of Blood Transfusion Service, Tokai University School of Medicine
5. Blood Center, Showa University Fujigaoka Hospital
6. Kanagawa Prefectural Red Cross Center
7. Blood Service Board of Management, The Japanese Red Cross Society
8. Japanese Red Cross Kanto-Koshinetsu Block Blood Center
9. Department of Transfusion Medicine, Kanagawa Cancer Center