Fondazione IRCCS Istituto Nazionale dei Tumori, University of Perugia, Fondazione IRCCS Istituto Nazionale dei Tumori - Department of Epidemiology and Data Science, Fondazione IRCCS Istituto Nazionale dei Tumori - Department of Epidemiology and Data Science, Fondazione IRCCS Istituto Nazionale dei Tumori - Department of Epidemiology and Data Science, Fondazione IRCCS Istituto Nazionale dei Tumori - Department of Epidemiology and Data Science, Fondazione IRCCS Istituto Nazionale dei Tumori - Department of Experimental Oncology, Fondazione IRCCS Istituto Nazionale dei Tumori - Department of Epidemiology and Data Science, University of Palermo - Palermo and Province Cancer Registry, University of Palermo - Palermo and Province Cancer Registry, University of Palermo - Palermo and Province Cancer Registry, Study University - Dipartimento Scienze Chirurgiche, European Institute of Oncology (IEO) IRCCS - Division of Cancer Prevention and Genetics, University of Naples Federico II, Azienda Ospedaliera Universitaria - Federico II, Cardinal Massaia Hospital - Obstetrics and Gynecology Unit, Lega Tumori Asti - Associazione Provinciale di Asti O.D.V, Fondazione Edo ed Elvo Tempia ONLUS, ATS Insubria, IRCCS-CROB - Unit of Regional Cancer Registry, IRCCS-CROB - Unit of Regional Cancer Registry, ATS Valpadana, LUMEN Aps, Fondazione IRCCS Istituto Nazionale dei Tumori - Department of Experimental Oncology, University of Palermo - Palermo and Province Cancer Registry, European Institute of Oncology (IEO) IRCCS and University of Palermo - Palermo and Province Cancer Registry

IIGM - Italian Institute for Genomic Medicine, University of Turin, IIGM - Italian Institute for Genomic Medicine, IIGM - Italian Institute for Genomic Medicine, University of Barcelona - Institut d’Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS), University of Turin - Division of Gastroenterology, Fondazione IRCCS Istituto Nazionale dei Tumori, Fondazione IRCCS Istituto Nazionale dei Tumori - Department of Epidemiology and Data Science, IIGM - Italian Institute for Genomic Medicine, Città Della Salute e della Scienza, Maurizio Bufalini Hospital, Policlinico Umberto I, Città Della Salute e della Scienza, Città Della Salute e della Scienza, Imperial College London - MRC-PHE Centre for Environment and Health, University of Turin - Division of Gastroenterology and IIGM - Italian Institute for Genomic Medicine