[1
]Department of Gastroenterology, Hospital Beatriz Ângelo, Loures, Portugal
[2
]Department of Biomedical Sciences, Humanitas University, Milan, Italy
[3
]IBD Center, Humanitas Clinical and Research Center, Milan, Italy
[4
]Centre for Colorectal Disease, St Vincent’s University Hospital and University College
Dublin, Dublin, Ireland
[5
]Department of Internal Medicine and Gastroenterology, Hospital Lüneburg, Lüneburg,
Germany
[6
]Gastroenterology Unit, Hospital Universitario de La Princesa, Instituto de Investigación
Sanitaria Princesa [IIS-IP], Universidad Autónoma de Madrid, Centro de Investigación
Biomédica en Red de Enfermedades Hepáticas y Digestivas [CIBEREHD], Madrid, Spain
[7
]Department of Gastroenterology, Addenbrooke’s Hospital, Cambridge University Hospitals
NHS Foundation Trust, Cambridge, UK
[8
]Department of Surgery, Cantonal Hospital Winterthur, Winterthur, Switzerland
[9
]University of Basel, Basel, Switzerland
[10
]IBD Unit, Presidio Columbus Fondazione Policlinico Gemelli Universita Cattolica, Rome,
Italy
[11
]Department of Internal Medicine I, Siloah St. Trudpert Hospital, Pforzheim, Germany
[12
]Department of Hepatology and Gastroenterology, Aarhus University Hospital, Aarhus,
Denmark
[13
]Department of Systems Medicine, University ‘Tor Vergata’ of Rome, Rome, Italy
[14
]Gastroenterology Practice Minden, Minden, Germany
[15
]Imelda GI Clinical Research Centre, Imelda General Hospital, Bonheiden, Belgium
[16
]Gastrounit, Medical Division, Hvidovre Hospital, University of Copenhagen, Hvidovre,
Denmark
[17
]Department of Gastroenterology, Royal Liverpool University Hospital, Liverpool, UK
[18
]Department of Surgery, Aalborg University Hospital, Aalborg, Denmark
[19
]Department of Medicine, Division of Gastroenterology, Mater Dei Hospital, Msida, Malta
[20
]Departement of Surgery, Hospital Zollikerberg, Zollikerberg Zurich, Switzerland
[21
]Visceral Surgery, Cantonal Hospital Winterthur, Winterthur, Switzerland
[22
]Department of Human Medicine, University of Witten/Herdecke, Witten, Germany
[23
]IBD Unit, DIMEC, University of Bologna, Bologna, Italy
[24
]IBD UNIT, Hospital Clíico Universitario ‘Lozano Blesa’; IIS Aragón, CIBEREHD, Zaragoza,
Spain
[25
]Department of Gastroenterology, Barts Health NHS Trust, Royal London Hospital, London,
UK
[26
]Fifth Department of Internal Medicine, Comenius University Medical School, Bratislava,
Slovakia
[27
]Division of Gastroenterology & Hepatology, Inselspital Bern, Bern, Switzerland
[28
]Department of Gastroenterology and Hepatology, University and Medical School of Ioannina,
Ioannina, Greece
[29
]Department of Gastroenterology, Tel-HaShomer Sheba Medical Center, Ramat Gan, Israel;
and Sackler Medical School, Tel Aviv, Israel
[30
]Department of Gastroenterology, Hepatology and Nutrition, Pauls Stradins Clinical
University Hospital, Department of Internal medicine, Riga Stradiņš university, Riga,
Latvia
[31
]National Public Health Organization, Athens, Greece
[32
]Outpatients Department of Gastroenterology, Hospital Lüneburg, Lüneburg, Germany
[33
]Department of Pharmacology and Therapeutics; Institute for Molecular and Cell Biology,
University of Porto, Porto, Portugal
[34
]Department of Medicine [Division of Gastroenterology] and Farncombe Family Digestive
Health Research Institute, McMaster University, Hamilton, ON, Canada
[35
]Department of Surgery, and Department of Clinical and Experimental Medicine, Linköping
University, Linköping, Sweden
[36
]Department of Advanced Medical and Surgical Sciences, Universitá degli Studi della
Campania ‘Luigi Vanvitelli’, Naples, Italy
[37
]Department of Gastroenterology, IPOLFG, Lisbon, Portugal
[38
]Department of Gastroenterology and Hepatology, University Hospitals, KU Leuven, Leuven,
Belgium
[39
]Department of Surgery, Oncology and Gastroenterology, University of Padova, Padova,
Italy
[40
]Humanitas Clinical and Research Center, Division of Colon and Rectal Surgery, Humanitas
University, Milan, Italy
[41
]Department of General Surgery, Maastricht University Medical Centre, Maastricht, The
Netherlands
[42
]Department of Gastroenterology, IBD unit, Beaujon Hospital, APHP, Clichy, France
[43
]Division of Gastroenterology and Hepatology, University Hospital, Zürich, Switzerland
[44
]Department of Gastroenterology and Hepatology, University Hospitals Leuven, KU Leuven,
Leuven, Belgium
[45
]Department of Chronic Diseases, Metabolism and Ageing, TARGID-IBD, KU Leuven, Leuven,
Belgium
[46
]Imperial College London, Department of Surgery and Cancer, St Mark’s Hospital, Department
of Gastroenterology, London, UK
[47
]Department of Surgery, Shamir Medical Center [Assaf Harofe], Tel Aviv, Israel