1. University of Chicago Medicine, Inflammatory Bowel Disease Center, Chicago, Illinois, USA
2. IBD Unit, St. Mark’s Hospital, London, UK
3. Division of Gastroenterology and Hepatology, Department of Medicine, University of Calgary, Calgary, Alberta, Canada
4. IBD Unit, Fondazione Policlinico Universitario A. Gemelli IRCCS–Università Cattolica del Sacro Cuore, Rome, Italy
5. Crohn and Colitis Association of Finland, Tampere, Finland
6. Pfizer Inc, Rotterdam, The Netherlands
7. Pfizer Inc, Collegeville, Pennsylvania, USA
8. Pfizer Inc, Groton, Connecticut, USA
9. The Harris Poll, New York, New York, USA
10. Crohn’s & Colitis Foundation, New York, New York, USA
11. Department of Internal Medicine, University Hospital Schleswig-Holstein, Kiel, Germany