1. Copenhagen Phase IV Unit (Phase4CPH), Department of Clinical Pharmacology and Center for Clinical Research and Prevention, Copenhagen University Hospital – Bispebjerg and Frederiksberg, Copenhagen, Denmark
2. Janssen Cilag AB, Solna, Sweden
3. Gastrounit, Medical Division, University Hospital Copenhagen – Amager and Hvidovre, Hvidovre, Denmark
4. Copenhagen Center for Inflammatory Bowel Disease in Children, Adolescents and Adults, University Hospital Copenhagen – Amager and Hvidovre, Denmark
5. Section of Biostatistics, Department of Public Health, University of Copenhagen