1. Scientific Department, Dutch Institute for Clinical Auditing
2. Department of Medical Oncology, Leiden University Medical Centre
3. Department of Medical Oncology, Amsterdam UMC-location VUmc, Cancer Center Amsterdam
4. Department of Biomedical Data Sciences, Leiden University Medical Centre, Leiden, The Netherlands
5. Department of Surgical Oncology, Netherlands Cancer Institute
6. Department of Pharmacy, Rode Kruis Ziekenhuis, Beverwijk
7. Divisions of Medical Oncology and Molecular Oncology & Immunology, Netherlands Cancer Institute
8. Division of Molecular Oncology & Immunology, Netherlands Cancer Institute, Amsterdam
9. Department of Medical Oncology, GROW-School for Oncology and Reproduction, Maastricht University Medical Centre, Maastricht
10. Department of Medical Oncology, Zuyderland Medical Centre Sittard, Sittard-Geleen
11. Isala Oncology Center, Isala, Zwolle
12. Department of Medical Oncology, University Medical Centre Groningen, University of Groningen, Groningen
13. Department of Internal Medicine, Medisch Spectrum Twente, Enschede
14. Department of Internal Medicine, Medical Centre Leeuwarden, Leeuwarden
15. Department of Internal Medicine, Amphia Hospital, Breda
16. Department of Medical Oncology and Radiology & Nuclear Medicine, Erasmus Medical Centre, Rotterdam
17. Department of Internal Medicine, Maxima Medical Centre, Eindhoven
18. Department of Medical Oncology, Radboud University Medical Centre, Nijmegen
19. Department of Medical Oncology, University Medical Centre Utrecht, Utrecht, The Netherlands