1. Department of Transfusion Medicine; The University of Tokyo; Ohta Japan
2. Division of Anesthesiology; Department of Perioperative Medicine; School of Dentistry; Showa University; Tokyo Japan
3. Department of Cardiovascular Surgery; The University of Tokyo; Ohta Japan
4. Haemopoietic Stem Cell General Management Division; Blood Service Headquarters; Japanese Red Cross Society; Tokyo Japan
5. R&D Center; Nihon Kohden Corporation Co., Ltd.; Shinjuku Japan