1. Janssen-Cilag, Birkerød, Denmark
2. Janssen-Cilag, High Wycombe, United Kingdom
3. Incentive, Holte, Denmark
4. Janssen-Cilag, Solna, Sweden
5. Department of Epidemiology Research, Statens Serum Institut, Copenhagen, Denmark
6. LEO Pharma, Ballerup, Denmark
7. Surgical Department A and IBD Care, Odense University Hospital, Odense, Denmark
8. Gastroenterology Department, North Zealand University Hospital, Frederikssund, Capital Region, Denmark