1. Department of Gastroenterology, Addenbrooke’s Hospital, Cambridge University Hospitals , Cambridge , UK
2. Department of Clinical Research, Hirosaki General Medical Centre, National Hospital Organisation , Hirosaki , Japan
3. Medicine Inflammatory Bowel Disease Center, University of Chicago , Chicago, IL , USA
4. Former employee of AbbVie, Global Medical Affairs , Maidenhead , UK
5. AbbVie, Global Medical Affairs , North Chicago, IL , USA
6. AbbVie, Research and Development , North Chicago, IL , USA
7. AbbVie, Data and Statistical Sciences , North Chicago, IL , USA
8. Division of Gastroenterology and Hepatology, Mount Sinai Hospital, University of Toronto , Toronto, ON , Canada
9. Division of Gastroenterology and Hepatology, Mayo Clinic College of Medicine and Science , Rochester, MN , USA