1. Division of Transfusion Okayama University Hospital Okayama Japan
2. Department of Hematology and Oncology Okayama University Hospital Okayama Japan
3. Division of Clinical Laboratory Okayama University Hospital Okayama Japan
4. Department of Pediatrics/Pediatric Hematology and Oncology Okayama University Hospital Okayama Japan
5. Center for Comprehensive Genomic Medicine Okayama University Hospital Okayama Japan
6. Department of General Medicine, Dentistry and Pharmaceutical Sciences Okayama University Graduate School of Medicine Okayama Japan