1. Department of Upper Abdominal Diseases, Karolinska University Hospital, Stockholm, Sweden
2. Department of Medicine Huddinge, Karolinska Institutet, Stockholm, Sweden
3. Department of Clinical Science, Intervention and Technology, Karolinska Institutet, Stockholm, Sweden
4. Department of Laboratory Medicine, Karolinska Institutet, Stockholm, Sweden
5. Department of Medical Oncology, Dana-Farber Cancer Institute and Harvard Medical School, Boston, MA, USA
6. Statisticon AB, Uppsala, Sweden
7. Department of Medical Epidemiology and Biostatistics, Karolinska Institutet, Stockholm, Sweden
8. Department of Pathology, Karolinska University Hospital, Stockholm, Sweden
9. Celiac Disease Center, Department of Medicine, Columbia University Medical Center, NY, NY, USA
10. Department of Pediatrics, Örebro University Hospital, Örebro University, Örebro, Sweden