1. Department of Pediatrics, Graduate School of Medicine, The University of Tokyo, Tokyo, Japan
2. Department of Pathology and Tumor Biology, Graduate School of Medicine, University of Kyoto, Kyoto, Japan
3. Department of Pathology, National Center for Child Health and Development, Tokyo, Japan
4. Cell Therapy and Transplantation Medicine, The University of Tokyo, Japan
5. Laboratory of DNA Information Analysis, Human Genome Centre, Institute of Medical Science, The University of Tokyo, Tokyo, Japan
6. Saitama Children's Medical Center, Saitama, Japan
7. Gunma Red Cross Blood Center, Japanese Red Cross Society, Gunma, Japan
8. Research Institute for Clinical Oncology, Saitama Cancer Center, Saitama, Japan
9. Laboratory of Cancer Genetics, Chiba Cancer Research Institute, Chiba, Japan
10. National Center for Child Health and Development, Tokyo, Japan
11. Japan Neuroblastoma Study Group
12. Saga Medical Center Koseikan, Saga, Japan