1. Department of Medical Oncology University Medical Centre Utrecht Utrecht The Netherlands
2. Department of Epidemiology Julius Center for Health Sciences and Primary Care, University Medical Center Utrecht, Utrecht University Utrecht The Netherlands
3. Department of Medical Oncology Amsterdam UMC, VU University Medical Center, Cancer Center Amsterdam Amsterdam The Netherlands
4. Isala Oncology Center Zwolle The Netherlands
5. Department of Pathology University Medical Center Utrecht Utrecht The Netherlands
6. Department of Radiology Mayo Clinic Rochester Minnesota USA
7. Department of Radiology University Medical Center Utrecht Utrecht The Netherlands
8. Department of Radiation Oncology University Medical Center Utrecht Utrecht The Netherlands
9. Scientific Bureau Dutch Institute for Clinical Auditing Leiden The Netherlands
10. Department of Medical Oncology, GROW‐School for Oncology and Reproduction Maastricht University Medical Centre+ Maastricht The Netherlands
11. Department of Medical Oncology Zuyderland Medical Centre Sittard Sittard‐Geleen The Netherlands
12. Department of Molecular Oncology & Immunology Netherlands Cancer Institute Amsterdam The Netherlands
13. Department of Medical Oncology & Immunology Netherlands Cancer Institute Amsterdam The Netherlands
14. Department of Medical Oncology University Medical Centre Groningen, University of Groningen Groningen The Netherlands
15. Department of Internal Medicine Medisch Spectrum Twente Enschede The Netherlands
16. Department of Internal Medicine Medical Centre Leeuwarden Leeuwarden The Netherlands
17. Department of Medical Oncology and Radiology & Nuclear Medicine Erasmus Medical Centre Rotterdam The Netherlands
18. Department of Internal Medicine Maxima Medical Centre Eindhoven The Netherlands
19. Department of Biomedical Data Sciences Leiden University Medical Centre Leiden The Netherlands
20. Department of Surgical Oncology Netherlands Cancer Institute Amsterdam The Netherlands
21. Department of Internal Medicine Amphia Hospital Breda The Netherlands
22. Department of Medical Oncology Radboud University Medical Centre Nijmegen The Netherlands
23. Department of Medical Oncology Leiden University Medical Centre Leiden The Netherlands