1. Department of Pediatric and Adolescent Medicine, Copenhagen University Hospital–Amager and Hvidovre , Hvidovre , Denmark
2. Copenhagen Center for Inflammatory Bowel Disease in Children, Adolescents, and Adults, Copenhagen University Hospital–Amager and Hvidovre , Hvidovre , Denmark
3. Bioinformatics Research Centre, Aarhus University , 8000 Aarhus C , Denmark
4. Center for Molecular Prediction of Inflammatory Bowel Disease, PREDICT, Department of Clinical Medicine, Aalborg University , Copenhagen , Denmark
5. Department of Clinical Medicine, Aarhus University Hospital , 8000 Aarhus C , Denmark
6. Institut für Medizinische Informatik und Statistik, Universitätsklinikum Schleswig-Holstein , 24105 Kiel , Germany
7. Institute of Clinical Molecular Biology, Christian-Albrechts-University of Kiel , 24105 Kiel , Germany
8. Department of Clinical Microbiology, Copenhagen University Hospital–Hvidovre , Denmark
9. Gastrounit, Medical Division, Copenhagen University Hospital–Hvidovre , Denmark
10. Department of Clinical Medicine, University of Copenhagen , Copenhagen , Denmark