affiliation not provided to SSRN, affiliation not provided to SSRN, University of Amsterdam - University Medical Center, University of Amsterdam - Amsterdam University Medical Centers, University of Amsterdam - University Medical Center, affiliation not provided to SSRN and affiliation not provided to SSRN

affiliation not provided to SSRN, affiliation not provided to SSRN, Catharina Hospital, Medical University of Vienna, Catharina Hospital, Radiotherapiegroep, University of Amsterdam - University Medical Center, affiliation not provided to SSRN, affiliation not provided to SSRN, Netherlands Cancer Institute, affiliation not provided to SSRN, University of Amsterdam - Amsterdam University Medical Centers, University of Oslo - Oslo University Hospital, University of Oslo - Oslo University Hospital, University of Oslo - Oslo University Hospital, Medical University of Vienna, Erasmus University Medical Center Rotterdam - Erasmus MC Cancer Institute, University of Amsterdam - University Medical Center and affiliation not provided to SSRN

Leiden University - Leiden University Medical Center (LUMC), affiliation not provided to SSRN, Erasmus University Medical Center Rotterdam - Erasmus MC Cancer Institute, affiliation not provided to SSRN, affiliation not provided to SSRN, Erasmus University Medical Center Rotterdam - Erasmus MC Cancer Institute, University of Amsterdam - University Medical Center, affiliation not provided to SSRN, affiliation not provided to SSRN, affiliation not provided to SSRN, Erasmus University Rotterdam (EUR), affiliation not provided to SSRN, Leiden University - Department of Medical Oncology,, Erasmus University Medical Center Rotterdam - Erasmus MC Cancer Institute, Leiden University - Leiden University Medical Center (LUMC), Erasmus University Medical Center Rotterdam - Erasmus MC Cancer Institute, Netherlands Cancer Institute, Leiden University - Department of Radiation Oncology, Erasmus University Medical Center Rotterdam - Department of Radiation Oncology and Leiden University - Department of Radiation Oncology