University of Amsterdam - Department of Gastroenterology and Hepatology, affiliation not provided to SSRN, University College London Hospital - Department of Gastroenterology, Medizinische Klinik - Klinikum Augsburg, III, affiliation not provided to SSRN, affiliation not provided to SSRN, Queen Alexandra Hospital, Humanitas University - Department of Biomedical Sciences, affiliation not provided to SSRN, Hirslanden Private Hospital Group - Centre of Gastroenterology, affiliation not provided to SSRN, affiliation not provided to SSRN, affiliation not provided to SSRN, Catharina Hospital - Department of Gastroenterology and Hepatology, affiliation not provided to SSRN, affiliation not provided to SSRN, affiliation not provided to SSRN, Radboud University Nijmegen - Radboud University Medical Center, AOU Città della Salute e della Scienza di Torino - SSD Epidemiologia e Screening, affiliation not provided to SSRN, UZ Leuven, University of Amsterdam - Department of Gastroenterology and Hepatology, IRCCS Humanitas Research Hospital - Department of Biomedical Sciences and KU Leuven - Department of Gastroenterology and Hepatology

University of Amsterdam - Department of Gastroenterology and Hepatology, St. Antonius Hospital - Department of Gastroenterology and Hepatology, KU Leuven - Department of Gastroenterology and Hepatology, KU Leuven - Department of Gastroenterology and Hepatology, St. Antonius Hospital - Department of Gastroenterology and Hepatology, St. Antonius Hospital - Department of Gastroenterology and Hepatology, Utrecht University - Department of Gastroenterology and Hepatology, Isala Kliniek - Department of Gastroenterology and Hepatology, Isala Kliniek - Department of Gastroenterology and Hepatology, Catharina Hospital - Department of Gastroenterology and Hepatology, Catharina Hospital - Department of Gastroenterology and Hepatology, Erasmus University Rotterdam (EUR) - Department of Gastroenterology & Hepatology, Erasmus University Rotterdam (EUR) - Department of Gastroenterology & Hepatology, IJsselland Hospital - Department of Gastroenterology and Hepatology, University of Groningen - Department of Gastroenterology and Hepatology, University of Groningen - Department of Gastroenterology and Hepatology, Haga Hospital - Department of Gastroenterology and Hepatology, Hirslanden Private Hospital Group - Centre of Gastroenterology, Utrecht University - Julius Center for Health Sciences and Primary Care, University of Amsterdam - Department of Gastroenterology and Hepatology and University of Amsterdam - Department of Gastroenterology and Hepatology