University of Groningen - Department of Epidemiology, University of Groningen - Department of Epidemiology, University of Groningen - University Medical Center Groningen (UMCG), University of Groningen - University Medical Center Groningen (UMCG), University of Groningen - University Medical Center Groningen (UMCG), Erasmus University Rotterdam (EUR) - Erasmus Medical Center (MC), PALGA, the Nationwide Network and Registry of Histo- and Cytopathology in the Netherlands, University of Groningen - Department of Epidemiology, University of Groningen - University Medical Center Groningen (UMCG), University of Groningen - Department of Pathology and Medical Biology and University of Groningen - Department of Epidemiology

affiliation not provided to SSRN, affiliation not provided to SSRN, Erasmus University Rotterdam (EUR) - Department of Gastroenterology & Hepatology, Erasmus University Rotterdam (EUR) - Erasmus Medical Center (MC), affiliation not provided to SSRN and Erasmus University Rotterdam (EUR) - Department of Gastroenterology & Hepatology