1. IBD Centre Humanitas Clinical and Research CentreMilanItaly
2. Department of Biomedical SciencesHumanitas UniversityMilanItaly
3. St Mark's HospitalHarrowUK
4. Department of Medicine IAgaplesion Markus HospitalGoethe-UniversityFrankfurtGermany
5. CHU de LiègeLiègeBelgium
6. Amsterdam University Medical CentreAmsterdamthe Netherlands
7. Division of GastroenterologyRabin Medical Center, Petah TikvaSackler Faculty of MedicineTel AvivIsrael
8. Division of Gastroenterology and HepatologyUniversity Hospital ZurichZurichSwitzerland
9. Ferring PharmaceuticalsSt PrexSwitzerland
10. Department of Hepato-Gastroenterology and Inserm U954University Hospital of NancyLorraine UniversityVandoeuvre-lès-NancyFrance