1. Gastroenterology and Endoscopy, IRCCS San Raffaele Hospital, Milan, Italy
2. CINTESIS@RISE, Faculty of Medicine, The University of Porto, Porto, Portugal
3. Department of Medicine I, Agaplesion Markus Hospital, Goethe University, Frankfurt/Main, Germany
4. Digestive Diseases Unit, Rashid Hospital, Dubai Health, UAE
5. Department of Gastroenterology, Centro de Investigación Biomédica en Red de Enfermedades Hepáticas y Digestivas (CIBERehd), Madrid, España
6. Department of Gastroenterology, Hospital General Universitario de Alicante, Instituto de Investigación Sanitaria y Biomédica de Alicante (ISABIAL), Alicante, España
7. Gastroenterology Unit, Santa Cruz Hospital, Curitiba, Brazil
8. Department of Gastroenterology and Internal Medicine, National Medical Institute of Ministry of Interior and Administration, Warsaw, Poland
9. Department of Gastroenterology and Inflammatory Bowel Disease Center, AsanMedical Center, University of Ulsan College of Medicine, Seoul, Republic of Korea
10. Department of Gastroenterology Zhou Pu Hospital, Shanghai University of Medicine & Health Sciences, Shanghai, China
11. Inflammatory Bowel Disease Unit, St Mark’s Hospital, London, UK
12. Departments of Gastroenterology and Medicine, Western University Schulich School of Medicine & Dentistry, London, Ontario, Canada
13. IBD Unit, Department of Gastroenterology and Digestive Endoscopy, San Camillo-Forlanini Hospital, Rome, Italy
14. Department of Gastroenterology, Nancy University Hospital, Vandœuvre-lès-Nancy, France
15. Department of Gastroenterology, Inserm, NGERE, University of Lorraine, Nancy, France
16. Department of Gastroenterology, INFINY Institute, Nancy University Hospital, Vandœuvre-lès-Nancy, France
17. Department of Gastroenterology, FHU-CURE, Nancy University Hospital, Vandœuvre-lès-Nancy, France
18. Department of Gastroenterology, Groupe Hospitalier privé Ambroise Paré - Hartmann, Paris IBD center, Neuilly sur Seine, France
19. Gastroenterology and Endoscopy, Vita-Salute San Raffaele University, Milan, Italy