1. IBD Unit St Mark's Hospital London UK
2. Department of Gastroenterology and Hepatology Amsterdam University Medical Center Amsterdam The Netherlands
3. Pharmaceutical Research and Development AbbVie Deutschland GmbH & Co. KG Ludwigshafen Germany
4. Health Economics Research AbbVie Ltd. Maidenhead UK
5. Research and Development AbbVie Inc. North Chicago Illinois USA
6. Division of Gastroenterology and Hepatology Departments of Medicine and Community Health Sciences University of Calgary Calgary Alberta Canada
7. Division of Gastroenterology and Hepatology Mayo Clinic College of Medicine Rochester Minnesota USA
8. Inflammatory Bowel Disease Unit Division of Gastroenterology and Hepatology University of Calgary Calgary Alberta Canada
9. Clinical Department of Gastroenterology and Hepatology Medical University Vienna Vienna Wien Austria
10. Nuffield Department of Medicine Translational Gastroenterology Unit Experimental Medicine Division University of Oxford John Radcliffe Hospital Oxford UK