University of Amsterdam - Amsterdam UMC, University of Amsterdam - Amsterdam UMC, Fondazione Poliambulanza Istituto Ospedaliero, University of Amsterdam - Amsterdam UMC, University of Amsterdam - Amsterdam UMC, affiliation not provided to SSRN, University of Amsterdam - Amsterdam UMC, University of Amsterdam - Amsterdam UMC, University of Amsterdam - Amsterdam UMC, University of Amsterdam - Amsterdam UMC, University of Amsterdam - Amsterdam University Medical Centers, Sint Maartenskliniek, Utrecht University - Julius Center for Health Sciences and Primary Care, affiliation not provided to SSRN, Maastricht University, University of Amsterdam - Amsterdam UMC, affiliation not provided to SSRN, Erasmus University Medical Center Rotterdam - Department of General Surgery, University of Amsterdam - Amsterdam UMC, Radboud University Nijmegen - Radboud University Medical Center, affiliation not provided to SSRN, University of Groningen, Netherlands Cancer Institute, Maxima Medical Centre, Medisch Spectrum Twente, affiliation not provided to SSRN, University Medical Center Utrecht, affiliation not provided to SSRN, affiliation not provided to SSRN, Netherlands Cancer Institute, Erasmus University Medical Center Rotterdam - Erasmus MC Cancer Institute, Radboud University Nijmegen - Radboud University Medical Center, Netherlands Cancer Institute, University of Amsterdam - University Medical Center, Utrecht University - Julius Center for Health Sciences and Primary Care, University of Amsterdam - Department of Radiology and Nuclear Medicine, University of Amsterdam - Amsterdam UMC, University of Amsterdam - Amsterdam UMC and University of Amsterdam - Cancer Center Amsterdam

affiliation not provided to SSRN, affiliation not provided to SSRN, VU University Amsterdam, University of Amsterdam - Amsterdam UMC, University of Amsterdam - Amsterdam UMC, University of Amsterdam - Amsterdam UMC, Dutch National Guideline Group for Prevention of Postoperative Surgical Site Infections and University of Amsterdam - Amsterdam UMC