Universidad de Valencia, Aarhus University, KU Leuven - University Hospital Gasthuisberg, University of Oslo - Oslo University Hospital, Universidad de Barcelona - Hospital Clínic Barcelona, Medical University of Vienna, Radboud University, National and Kapodistrian University of Athens Medical School, affiliation not provided to SSRN, affiliation not provided to SSRN, Maastricht University, University of Amsterdam - Amsterdam University Medical Centers and Karolinska Institutet - Karolinska University Hospital

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