1. Department of PediatricsHyogo Kenritsu Amagasaki Sogo Iryo CenterAmagasaki Japan
2. Department of Pediatric Hematology and Oncology ResearchKokuritsu Kenkyu Kaihatsu Hojin Kokuritsu Seiiku Iryo Kenkyu CenterTokyo Japan
3. Department of PathologyKokuritsu Kenkyu Kaihatsu Hojin Kokuritsu Seiiku Iryo Kenkyu CenterTokyo Japan
4. Department of Pathology and Laboratory MedicineTokyo Shika Daigaku Ichikawa Sogo ByoinIchikawa Japan
5. Department of Clinical ResearchSaitama Kenritsu Shoni Iryo CenterSaitama Japan