1 Department of Dermato-Venereology & Wound Healing Centre, Bispebjerg Hospital, Copenhagen, Denmark.
2 Department of Gastroenterology and Hepatology, Copenhagen University Hospital - Herlev and Gentofte, Herlev, Denmark.
3 Copenhagen Center for Inflammatory Bowel Disease in Children, Adolescents, and Adults, Copenhagen University Hospital - Amager and Hvidovre, Hvidovre, Denmark.
4 Gastrounit, Medical Division, Copenhagen University Hospital - Amager and Hvidovre, Hvidovre, Denmark.
5 Department of Biomedical Sciences, University of Copenhagen, Copenhagen, Denmark.