1. Medical Oncology, Amsterdam UMC, University of Amsterdam, Amsterdam, the Netherlands
2. Cancer Center Amsterdam, Cancer Treatment and Quality of Life, Amsterdam, the Netherlands
3. Department of Surgery, Catharina Hospital, Eindhoven, Netherlands
4. Department of Surgery, Antoni van Leeuwenhoek–Netherlands Cancer Institute, Amsterdam, Netherlands
5. Department of Gastroenterology and Hepatology, Radboud Institute for Health Sciences, Radboud University Medical Centre, Nijmegen, the Netherlands
6. Department of Gastroenterology and Hepatology, Erasmus MC University Medical Center, Rotterdam, the Netherlands
7. Department of Surgery, University Medical Center Utrecht, Utrecht University, Utrecht, the Netherlands
8. Department of Radiation Oncology, Radboud University Medical Center, Nijmegen, the Netherlands
9. Department of Radiation Oncology, Netherlands Cancer Institute, Amsterdam, the Netherlands
10. Department of Medical Oncology, Elisabeth Tweesteden Ziekenhuis, Tilburg, the Netherlands
11. Department of Medical Oncology, University Medical Center Utrecht, Utrecht University, Utrecht, the Netherlands
12. Department of Research and Development, Netherlands Comprehensive Cancer Organisation, Utrecht, the Netherlands