1. Department of Medical OncologyGROW – School for Oncology and Developmental Biology, Maastricht University Medical Center Maastricht the Netherlands
2. Biostatistics, Radboud Institute for Health Sciences, Radboud University Medical Center Nijmegen The Netherlands
3. Clinical Research DepartmentNetherlands Comprehensive Cancer Organization IKNL Utrecht The Netherlands
4. Department of Internal MedicineMedical Center Alkmaar Alkmaar The Netherlands
5. Department of Medical OncologyErasmus MC Cancer Institute Rotterdam The Netherlands
6. Department of Radiation OncologyCatharina Hospital Eindhoven The Netherlands
7. Department of Medical OncologyLeiden University Medical Center Leiden The Netherlands
8. Department of Medical OncologyMedical Center Leeuwarden Leeuwarden The Netherlands
9. Department of Medical OncologyIsala Clinics Zwolle The Netherlands
10. Department of Medical OncologyZuyderland Medical Center Sittard The Netherlands
11. Department of Medical OncologyZuyderland Medical Center Heerlen The Netherlands
12. Department of SurgeryGelderse Vallei Hospital Ede The Netherlands
13. Department of Medical OncologyNetherlands Cancer Institute Amsterdam The Netherlands
14. Department of Medical OncologyDeventer Hospital Deventer The Netherlands