1. Center of Expertise for Cancer Survivorship, Department of Hematology Radboud University Medical Center Geert Grooteplein Zuid 10 6525 GA Nijmegen the Netherlands
2. Princess Máxima Center for Pediatric Oncology Heidelberglaan 25 3584 CS Utrecht the Netherlands
3. Center for Preventive Medicine and Digital Health (CPD), Medical Faculty Mannheim Heidelberg University Röntgenstraße 7 D‐68167 Mannheim Germany
4. Oncology, Department of Clinical Sciences Lund, Lund University Skåne University Hospital Lasarettsgatan 40 221 85 Lund Sweden
5. Childhood Cancer Research Group Danish Cancer Society Research Center Strandboulevarden 49 2100 Copenhagen Denmark
6. Department of Clinical Medicine, Faculty of Health Aarhus University and Aarhus University Hospital Palle Juul‐Jensens Boulevard 82 8200 Aarhus Denmark
7. Pediatrics, Department of Clinical Sciences Lund, Lund University Skåne University Hospital Lasarettsgatan 40 221 85 Lund Sweden
8. International Clinical Research Center (FNUSA‐ICRC) at St. Anne's University Hospital Masaryk University Pekařská 53 Brno 656 91 Czech Republic
9. Department of Pediatrics, Emma Children's Hospital Amsterdam UMC Meibergdreef 9 1105 AZ Amsterdam the Netherlands
10. Faculty of Medicine Utrecht University and Utrecht Medical Center Universiteitsweg 98 3584 CG Utrecht the Netherlands
11. DOPO Clinic, Division of Pediatric Hematology and Oncology IRCCS Istituto Giannina Gaslini Via G. Gaslini, 5 16147 Genoa Italy
12. PanCare Jacobus Bellamylaan 16 1401 AZ Bussum the Netherlands
13. Childhood Cancer International ‐ Europe Servitengasse 5/16 1090 Vienna Austria
14. Department of Oncology, Pediatric Oncology KU Leuven Leuven Belgium
15. Department of Pediatric Hematology and Oncology University Hospitals Leuven Herestraat 49 3000 Leuven Belgium
16. Wolfson Childhood Cancer Research Center, Newcastle University Center for Cancer Newcastle University NE1 7RU Newcastle upon Tyne Herschel Building, Brewery Lane UK
17. Great North Children's Hospital Royal Victoria Infirmary Queen Victoria Road Newcastle upon Tyne NE1 4LP UK
18. Wolfson Childhood Cancer Research Center, Translational and Clinical Research Institute Newcastle University Herschel Building, Brewery Lane Newcastle upon Tyne NE1 7RU UK
19. Population Health Sciences Institute Newcastle University Ridley Building 1, Queen Victoria Road Newcastle upon Tyne NE1 7RU UK
20. Scientific Institute for Quality of Healthcare (IQ Healthcare) Radboud University Medical Center Geert Grooteplein 21 6525 EZ Nijmegen the Netherlands