Affiliation: | 1. Department of Blood Transfusion and Transplantation Immunology, Fukushima Medical University, , Fukushima, Japan;2. Department of Cardiology and Hematology, Fukushima Medical University, , Fukushima, Japan;3. Japanese Red Cross Fukushima Blood Center, , Fukushima, Japan;4. Division of Pediatric Oncology, Cancer Center, Fukushima Medical University Hospital, , Fukushima, Japan |