1. Department of Medical Oncology, Cancer Center Amsterdam, Amsterdam UMC, University of Amsterdam, Meibergdreef 9, Amsterdam, Noord-Holland 1105 AZ, Netherlands
2. Department of Research, Netherlands Comprehensive Cancer Organisation, Godebaldkwartier 419, Utrecht 3511 DT, Netherlands
3. Department of Pathology, Radboud University Medical Center, Geert Grooteplein Zuid 10, Nijmegen, Gelderland 6525 GA, Netherlands
4. Department of Radiology, Netherlands Cancer Institute—Antoni van Leeuwenhoek, Plesmanlaan 121, Amsterdam, Noord-Holland 1066 CX, Netherlands
5. Department of Radiation Oncology, Erasmus University Medical Center, Doctor Molewaterplein 40, Rotterdam, Zuid-Holland 3015 GD, Netherlands
6. Department of Surgery, Reinier de Graaf Hospital, Reinier de Graafweg 5, Delft, Zuid-Holland, 2625 AD, Netherlands
7. Department of Medical Oncology, Radboud University Medical Center, Nijmegen, Gelderland 6525 GA, Netherlands
8. Department of Radiation Oncology, Radboud University Medical Center, Geert Grooteplein Zuid 10, Nijmegen, Gelderland 6525 GA, Netherlands
9. Julius Center for Health Sciences and Primary Care, University Medical Center Utrecht, Heidelberglaan 100, Utrecht, 3584 CX, Netherlands
10. Department of Surgery, Cancer Center Amsterdam, Amsterdam UMC, University of Amsterdam, Meibergdreef 9, Amsterdam, Noord-Holland 1105 AZ, Netherlands