1. Department of Internal Medicine and Pediatrics, Ghent University, 9000 Ghent, Belgium
2. Ghent Gut Inflammation Group (GGIG), Ghent University, 9000 Ghent, Belgium
3. Department of Gastroenterology, VITAZ, 9100 Sint-Niklaas, Belgium
4. Department of Gastroenterology, UZ Ghent, Corneel Heymanslaan 10, 9000 Ghent, Belgium
5. VIB Center for Inflammation Research (IRC), Ghent University, 9000 Ghent, Belgium
6. Department of Gastroenterology, University Hospital Ghent, 9000 Ghent, Belgium
7. Department of Gastroenterology, AZ Sint Lucas, 9000 Ghent, Belgium
8. Department of Gastroenterology, Hospital Ramon y Cajal, 28034 Madrid, Spain
9. Department of Internal Medicine, Universidad de Alcalá de Henares, 28805 Madrid, Spain
10. Department of Gastroenterology, Hospital de Galdakao, 48960 Bilbao, Spain
11. Department of Gastroenterology, Hospital Universitari Germans Trias i Pujol, 08916 Barcelona, Spain
12. Department of Gastroenterology, Vrije Universiteit Brussel (VUB), Universitair Ziekenhuis Brussel, 1090 Brussels, Belgium
13. Department of Gastroenterology and Hepatology, University Hospital Antwerp, 2650 Antwerp, Belgium
14. Laboratory of Experimental Medicine and Pediatrics (LEMP), Division of Gastroenterology and Hepatology, Faculty of Medicine and Health Sciences, University of Antwerp, 2000 Antwerpen, Belgium
15. Department of Gastroenterology, Hospital Clínico Universitario de Santiago, 15706 Santiago de Compostela, Spain
16. Department of Gastroenterology, Hospital Universitari Mútua de Terrassa, 08221 Terrassa, Spain
17. Centro de Investigación Biomédica en Red de Enfermedades Hepáticas y Digestivas (CIBERehd), 28029 Madrid, Spain
18. Department of Gastroenterology, Hospital Universitari de Girona, 17007 Girona, Spain