1. Department of Medicine 1, Agaplesion Markus Hospital, Frankfurt, Germany
2. Crohn Colitis Center, Frankfurt, Germany
3. [*AD and *CG are both [shared] first authors and acted as conveners of the Consensus].
4. Department of Medicine 3, Medical University of Vienna, Austria
5. Department of Medicine B, University of Münster, Münster, Germany
6. Department of Hematology, Institute of Medical Sciences, Uppsala University Uppsala, Sweden
7. Istituto Clinico Humanitas, Rozanno, Milan, Italy
8. Department of Gastroenterology, Hospital Universitario de la Princesa, IP and CIBEREHD, Madrid, Spain
9. Hospital Clinico Universitario, CIBEREHD, Zaragoza, Spain
10. University Hospitals Birmingham, NHS Foundation Trust, Birmingham, UK
11. First Department of Internal Medicine, University Hospital of Ioannina, Ioannina, Greece
12. University Hospital Heraklion, Heraklion, Crete, Greece
13. Sao Joao Hospital, Porto, Portugal
14. Rouen University Hospital, Rouen, France
15. Department of Internal Medicine, Stadtspital Triemli, Zürich, Switzerland