1. Department of Radiation Oncology, Cancer Center Amsterdam, Amsterdam UMC, University of Amsterdam, Amsterdam, the Netherlands
2. Department of Surgery, Erasmus MC Cancer Institute, Rotterdam, the Netherlands
3. Clinical Research Department, Comprehensive Cancer Organisation the Netherlands (IKNL), Nijmegen, the Netherlands
4. Department of Surgery, Cancer Center Amsterdam, Amsterdam UMC, University of Amsterdam, Amsterdam, the Netherlands
5. Department of Surgery, Leiden University Medical Center, Leiden, the Netherlands
6. Department of Radiation Oncology (MAASTRO), GROW School for Oncology and Developmental Biology, Maastricht University Medical Centre, Maastricht, the Netherlands
7. Department of Medical Oncology, Catharina Hospital, Eindhoven, the Netherlands
8. Department of Surgery, Division of Hepato-Pancreato-Biliary & Oncology, European Surgery Center Aachen Maastricht, Maastricht UMC+, Maastricht, the Netherlands
9. Department of Medical Oncology, Erasmus MC Cancer Institute, Rotterdam, the Netherlands
10. Department of Surgery, Onze Lieve Vrouwe Gasthuis, Amsterdam, the Netherlands
11. Department of Medical Oncology, Isala Oncology Centre, Zwolle, the Netherlands
12. Department of Surgery, Catharina Hospital, Eindhoven, the Netherlands
13. Department of Gastroenterology and Hepatology, Cancer Centre Amsterdam, Amsterdam UMC, University of Amsterdam, Amsterdam, the Netherlands
14. Department of Medical Oncology, Onze Lieve Vrouwe Gasthuis, Amsterdam, the Netherlands
15. Department of Medical Oncology, Leiden University Medical Center, Leiden, the Netherlands
16. Department of Radiation Oncology, Leiden University Medical Center, Leiden, the Netherlands
17. Department of Radiation Oncology, Erasmus MC Cancer Institute, Rotterdam, the Netherlands
18. Department of Radiation Oncology, Isala Oncology Center, Zwolle, the Netherlands
19. Department of Surgery, Isala Oncology Center, Zwolle, the Netherlands
20. Department of Radiation Oncology, Catharina Hospital, Eindhoven, the Netherlands
21. Department of Internal Medicine, Division of Medical Oncology, GROW School for Oncology and Developmental Biology, Maastricht UMC+, Maastricht, the Netherlands
22. Department of Medical Oncology, Cancer Center Amsterdam, Amsterdam UMC, University of Amsterdam, Amsterdam, the Netherlands