- CCI, Childhood Cancer International: icccpo.org
- ENCCA, European Network for Cancer research in Children and Adolescents: www.encca.eu
- EPAAC, European Partnership for Action Against Cancer: www.epaac.eu
- European Reference Networks: ec.europa.eu/health/ern/policy/index_en.htm
- ERNPaedCan: paedcan.ern-net.eu
- PanCare, Pan-European Network for Care of Survivors after Childhood and Adolescent Cancer: www.pancare.eu
- SIOPE, the European Society for Paediatric Oncology: www.siope.eu
- VRT/EXPERT, Very Rare Tumours: www.raretumors-children.eu