1. Department for Upper Abdominal Diseases, Karolinska University Hospital, Stockholm, Sweden
2. Department of Medicine, Huddinge, Karolinska Institutet, Stockholm, Sweden
3. Department of Rheumatology, Karolinska University Hospital, Stockholm, Sweden
4. Academic Specialist Center, Center for Rheumatology, Stockholm Health Services, Region Stockholm, Stockholm, Sweden
5. Department of Medicine, Solna, Karolinska Institutet, Stockholm, Sweden
6. Department of Medical Epidemiology and Biostatistics, Karolinska Institute, Stockholm, Sweden
7. Department of Clinical Science Intervention and Technology (CLINTEC), Karolinska Institutet, Stockholm, Sweden