1. Department of Hematology, Radboudumc Center of Expertise for Cancer Survivorship Radboud University Medical Center Nijmegen The Netherlands
2. Department for Health Evidence Radboud Institute for Health Sciences Radboud University Medical Center Nijmegen The Netherlands
3. Princess Máxima Center for Pediatric Oncology Utrecht The Netherlands
4. University Medical Center Utrecht Wilhelmina Children's Hospital Utrecht The Netherlands
5. Emma Children’s Hospital Amsterdam UMC Location University of Amsterdam Amsterdam The Netherlands
6. Department of Pediatrics Amsterdam UMC Location Vrije Universiteit Amsterdam Amsterdam The Netherlands
7. Department of Obstetrics and Gynaecology Amsterdam UMC Location University of Amsterdam Amsterdam The Netherlands
8. Beatrix Children’s Hospital/University of Groningen/University Medical Center Groningen Groningen The Netherlands
9. Department of Hematology Radboud University Medical Center Nijmegen The Netherlands
10. ErasmusMC‐Sophia Children’s Hospital Rotterdam The Netherlands
11. Willem Alexander Children’s Hospital/Leiden University Medical Center Leiden The Netherlands
12. Department of Epidemiology and Informatics Institute of Medical Biostatistics Johannes Gutenberg University Mainz Germany
13. Department of Obstetrics and Gynaecology Radboud University Medical Center Nijmegen The Netherlands