1IBD Unit, DIMEC, University of Bologna 1 Paolo Gionchetti , , Via Massarenti, 9, 40138 Bologna , Italy
2Department of Medicine I, Agaplesion Markus Hospital 2 Axel Dignass , , Willhelm-Epstein-Straße 4, 60431 Frankfurt/Main , Germany
3Istituto Clinico Humanitas IRCCS in Gastroenterology 3 Silvio Danese , , Via Manzoni 56, 20089 Rozano, Milan , Italy
4Department of Pharmacology and Therapeutics, University of Porto 4 Fernando Magro , , Porto; MedInUP, Centre for Drug Discovery and Innovative Medicines, Porto; Centro Hospitalar São João, Porto , Portugal
5MedInUP, Centre for Drug Discovery and Innovative Medicines, Porto
6Division of Gastroenterology and Hepatology, University Hospital Zurich 5 Gerhard Rogler , , Rämistraße 100, 8091 Zurich , Switzerland
7Department of Medicine I, Semmelweis University 6 Péter Laszlo Lakatos , , Korányi Sándor 2/A, 1083 Budapest , Hungary
8Department of Visceral and Thoracic Surgery 7 Michel Adamina , , Kantonsspital Winterthur, Brauerstrasse 15, 8401 Winterthur , Switzerland
9Gastrointestinal Unit ASST Fatebenefratelli Sacco – University of Milan – Via GB Grassi 8 Sandro Ardizzone , , 74, 20157 Milan , Italy
10Department of Surgery, Academic Medical Center (AMC), University of Amsterdam 9 Christianne J. Buskens , , Meibergdreef 9, 1105 AZ Amsterdam , The Netherlands
11IBD Unit, Hull & East Yorkshire NHS Trust 10 Shaji Sebastian , , Anlaby Road, Hull HU3 2JZ , UK
12Surgery Unit, DIMEC University of Bologna 11 Silvio Laureti , , Via Giuseppe Massarenti, 9, 40138 Bologna , Italy
13Head of IBD Surgical Unit, Department of Surgery, ASST Fatebenefratelli Sacco – Ospedale “Luigi Sacco” Polo Universitario 12 Gianluca M. Sampietro , , Via G. B. Grassi, 74. 20157 Milan , Italy
14Department of Gastroenterology and Hepatology, University Hospital Rebro 13 Boris Vucelic , , Zagreb, Kispaticeva Ulica 12, Zagreb , Croatia
15Department of Gastroenterology and Hepatology, Erasmus University Medical Center 14 C. Janneke van der Woude , , Gravendijkwal 230, 3015 CE Rotterdam , The Netherlands
16Department of Gastroenterology, University Hospital Santiago De Compostela (CHUS) 15 Manuel Barreiro-de Acosta , , Travesía da Choupana, s/n, 15706 Santiago De Compostela, A Coruña , Spain
17Outpatients Department of Gastroenterology, Hospital Lüneburg 16 Christian Maaser , , Bögelstraße 1, 21339 Lüneburg , Germany
18Department of Gastroenterology, University Hospital Coimbra 17 Francisco Portela , , Praceta Prof. Mota Pinto, Av. Bissaya Barreto, 3000–075 Coimbra , Portugal
19Department of Gastroenterology and Internal Medicine 18 Stephan R. Vavricka , , Stadtspital Triemli, Birmensdorferstraße 497, 8063 Zurich , Switzerland
20Professor of Medicine, Hospital Clínico Universitario “Lozano Blesa”, Universidad de Zaragoza 19 Fernando Gomollón , , IIS Aragón, CIBEREHD, Zaragoza , Spain
