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| Links: |
| Associazione Italiana di Ematologia ed Oncologia Pediatrica |
| Children's Oncology Group |
| United Kingdom Children's Cancer Study Group |
| International Society of Paediatric Oncology |
| National Cancer Institute |
| Nordic Society of Pediatric Haematology and Oncology |
| Sociedad Espanola de Oncologia Pediatrica |
| Sociéte Francaise des Cancers de l'Enfant |