University of Amsterdam, Amsterdam Medical Center, Department of Surgery, University of Amsterdam, Amsterdam Medical Center, Department of Surgery, University of Amsterdam - Department of Oncology, Netherlands Cancer Institute - Department of Pathology, University of Amsterdam - Department of Radiation Oncology, Netherlands Cancer Institute, Erasmus University Rotterdam (EUR) - Department of Surgery, Radboud University Nijmegen - Radboud University Medical Center, Catharina Hospital, Bravis Hospital, Maasziekenhuis Pantein, Onze Lieve Vrouwen Gasthuis, Utrecht University - University Medical Center (Utrecht), University of Groningen - University Medical Center Groningen (UMCG), Catharina Hospital, Netherlands Cancer Institute, University of Amsterdam, Amsterdam Medical Center, Department of Surgery, Bernhoven, Free University, Amsterdam, Flevo Hospital, Isala Hospital, St. Antonius Hospital, Elisabeth-Tweesteden Hospital, Amstelland Hospital, University of Amsterdam - Department of Clinical Epidemiology, Biostatistics and Bioinformation, University of Amsterdam, Amsterdam Medical Center, Department of Surgery and Independent

affiliation not provided to SSRN, Utrecht University - University Medical Center (Utrecht), affiliation not provided to SSRN, affiliation not provided to SSRN, University of Amsterdam - Amsterdam UMC, University of Amsterdam - Amsterdam University Medical Centers, Utrecht University - University Medical Center (Utrecht), affiliation not provided to SSRN, Onze Lieve Vrouwen Gasthuis, Catharina Hospital, Erasmus University Medical Center Rotterdam - Medical Oncology, Utrecht University - University Medical Center (Utrecht), Medisch Spectrum Twente, affiliation not provided to SSRN, University of Groningen - Department of Gastroenterology and Hepatology, affiliation not provided to SSRN, Radboud University, affiliation not provided to SSRN, University of Amsterdam - Amsterdam UMC, University Medical Center Utrecht, St. Antonius Hospital, Erasmus University Rotterdam (EUR) - Department of Surgery and Erasmus University Rotterdam (EUR) - Department of Surgery

Maastricht University, Maastricht University, University of Amsterdam - Amsterdam UMC, affiliation not provided to SSRN, Utrecht University - University Medical Center (Utrecht), affiliation not provided to SSRN, affiliation not provided to SSRN, affiliation not provided to SSRN, Maastricht University, affiliation not provided to SSRN, Onze Lieve Vrouwen Gasthuis, Jeroen Bosch Hospital, Amphia Hospital, affiliation not provided to SSRN, affiliation not provided to SSRN, Leiden University, Medisch Spectrum Twente, affiliation not provided to SSRN, Maastricht University - GROW School for Oncology and Reproduction, Catharina Hospital, University of Duisburg-Essen - Bridge Institute of Experimental Tumor Therapy, University of Groningen, University of Groningen, University of Groningen - Department of Gastroenterology and Hepatology, Erasmus University Rotterdam (EUR) - Department of Surgery, University of Amsterdam - Amsterdam UMC, University of Amsterdam - Cancer Center Amsterdam, University of Amsterdam - Amsterdam University Medical Centers, University Medical Center Utrecht, Utrecht University - University Medical Center (Utrecht), affiliation not provided to SSRN, Maastricht University, affiliation not provided to SSRN and Maastricht University

Catharina Hospital, Netherlands Comprehensive Cancer Organisation, affiliation not provided to SSRN, affiliation not provided to SSRN, Catharina Hospital, Radboud University Nijmegen - Radboud University Medical Center, Radboud University Nijmegen - Radboud University Medical Center, Catharina Hospital and affiliation not provided to SSRN