1. Princess Máxima Center for Pediatric Oncology, Utrecht, the Netherlands
2. Departments of Epidemiology and Cancer Control, and Oncology, St Jude Children’s Research Hospital, Memphis, TN
3. Institute for Cancer Outcomes and Survivorship and Department of Pediatrics, School of Medicine, University of Alabama at Birmingham, Birmingham, AL
4. Department of Oncology/Haematology, Great Ormond Street Hospital for Children NHS Foundation Trust, London, United Kingdom
5. Departments of Radiation Oncology and Pediatrics, University of Rochester Medical Center, Rochester, NY
6. Department of Paediatric Oncology, Royal Hospital for Sick Children, Edinburgh, United Kingdom
7. Department of Epidemiology, Netherlands Cancer Institute, Amsterdam, the Netherlands
8. Institute for Biostatistics and Registry Research, Medical University Brandenburg, Theodor Fontane, Neuruppin, Germany
9. Department of Pediatrics, University of Chicago Pritzker School of Medicine, Chicago, IL
10. Department of Epidemiology and Biostatistics, Memorial Sloan Kettering Cancer Center, New York, NY
11. Departments of Pediatrics and Medicine, Memorial Sloan Kettering Cancer Center, New York, NY
12. Dana-Farber Cancer Institute, Boston, MA
13. Department of Paediatric Oncology, Birmingham Children’s Hospital, NHS Foundation Trust, Birmingham, United Kingdom
14. Centre for Research in Epidemiology and Population Health, Cancer and Radiation team, University of Paris-Sud, Villejuif, France
15. Department of Pediatric and Adolescent Hematology/Oncology, CHU Angers, Angers, France
16. Department of Paediatric and Adolescent Haematology/Oncology, Great North Children’s Hospital and Newcastle University Centre for Cancer, Newcastle upon Tyne, United Kingdom
17. Department of Pediatric Oncology, Emma Children’s Hospital, Amsterdam University Medical Center, University of Amsterdam, the Netherlands
18. Department of Medicine, Duke University School of Medicine, Durham, NC