1. Medical Centre, National Hospital of the Faroe Islands , Tórshavn , Faroe Islands
2. Genetic Biobank , Tórshavn , Faroe Islands
3. Omicron ApS , Roskilde , Denmark
4. Gastrounit D, Medical section, Herlev and Gentofte University Hospital , Herlev , Denmark
5. Department of Clinical Medicine, University of Copenhagen , Copenhagen , Denmark
6. Department of Occupational Medicine and Public Health, the Faroese Hospital System , Tórshavn , Faroe Islands
7. Gastrounit, Medical section, Copenhagen University Hospital – Amager and Hvidovre , Hvidovre , Denmark
8. Copenhagen Center for Inflammatory Bowel Disease in Children, Adolescents and Adults, Copenhagen University Hospital – Amager and Hvidovre , Hvidovre , Denmark