1. Princess Máxima Center for Pediatric Oncology, Utrecht, the Netherlands
2. Centre for Childhood Cancer Survivor Studies, Institute of Applied Health Research, University of Birmingham, Birmingham, United Kingdom
3. Radiation Epidemiology Group, Inserm, UMR1018, Villejuif, France
4. Gustave Roussy, Department of Clinical Research, Villejuif, France
5. University of Paris-Saclay, Villejuif, France
6. Epidemiology and Biostatistics Unit and DOPO Clinic, IRCCS Istituto Giannina Gaslini, Genova, Italy
7. St Anna Children's Hospital, Vienna, Austria
8. Department of Paediatrics and Adolescent Medicine, Johannes Kepler University Linz, Kepler University Hospital, Linz, Austria
9. Childhood Cancer Research Group, ISPM Institute of Social and Preventive Medicine, University of Bern, Bern, Switzerland
10. PMU Unisanté, University of Lausanne, Lausanne, Switzerland
11. Boyne Research Institute, Drogheda, Ireland
12. German Childhood Cancer Registry (GCCR), Institute of Medical Biostatistics, Epidemiology and Informatics, University Medical Center, Mainz, Germany
13. Lund University, Skane University Hospital, Department of Clinical Sciences Lund, Paediatrics, Lund, Sweden
14. Pediatric Clinic University of Milano-Bicocca, Foundation MBBM, Monza, Italy
15. Pediatric Hematology/Oncology, Department of Pediatrics, Inselspital, Bern University Hospital, University of Bern, Bern, Switzerland
16. Department of Paediatric and Oncology, Great Ormond St Hospital for Children NHS Foundation Trust London, United Kingdom
17. Department of Hematology, Radboud University Medical Center, Nijmegen, the Netherlands
18. Institute of Oncology, Ljubljana, Slovenia
19. Cancer Epidemiology Unit, Department of Medical Sciences, University of Turin and AOU Città della Salute e della Scienza, CPO-Piemonte, Turin, Italy
20. Institute for Cancer Research, Prevention and Clinical Network (ISPRO), Firenze, Italy
21. Translational and Clinical Research Institute, Newcastle University Centre for Cancer, Newcastle University, Newcastle upon Tyne, United Kingdom
22. Great North Children's Hospital, Royal Victoria Infirmary, Newcastle upon Tyne, United Kingdom
23. Hungarian Childhood Cancer Registry, Semmelweis University, Budapest Hungary
24. Emma Children's Hospital, Amsterdam UMC, the Netherlands