1. Department of Clinical Science, University of Bergen , Bergen 5021 , Norway
2. K.G. Jebsen Center for Autoimmune Disorders, University of Bergen , Bergen 5021 , Norway
3. Department of Medicine, Haukeland University Hospital , Bergen 5021 , Norway
4. Department of Molecular Medicine and Surgery, Karolinska Institutet , Stockholm 171 77 , Sweden
5. Department of Medicine, Örebro University Hospital , Örebro 702 17 , Sweden
6. Practice for Endocrinology and Nephrology, Endocrinology in Charlottenburg , Berlin 10627 , Germany
7. Department of Endocrinology, Oslo University Hospital , Oslo 0372 , Norway
8. Department of Endocrinology, Karolinska University Hospital , Stockholm 171 77 , Sweden
9. Department of Medicine, Vestfold Hospital Trust , Tønsberg 3103 , Norway
10. Department of Internal Medicine, Haugesund Hospital , Haugesund 5528 , Norway
11. Department of Endocrinology, Stavanger University Hospital , Stavanger 4019 , Norway
12. Department of Medicine, Sørlandet Hospital , Kristiansand 4604 , Norway
13. Department of Medicine, Drammen Hospital, Vestre Viken Health Trust , Drammen 3004 , Norway
14. Department of Endocrinology, Akershus University Hospital , Lørenskog 1478 , Norway
15. Department of Public Health and Clinical Medicine, Umeå University , Umeå 907 37 , Sweden
16. Division of Internal Medicine, University Hospital of North Norway , Tromsø 9019 , Norway
17. Tromsø Endocrine Research Group, Department of Clinical Medicine, UiT the Arctic University of Norway , Tromsø 9019 , Norway
18. Section of Endocrinology, Innlandet Hospital Trust , Hamar 2318 , Norway
19. Department of Endocrinology, Linköping University , Linköping 581 85 , Sweden
20. Department of Health, Medicine and Caring Sciences, Linköping University , Linköping 581 85 , Sweden
21. Department of Medicine, Sørlandet Hospital , Arendal 4838 , Norway
22. Department of Medicine (Solna), Karolinska University Hospital, Karolinska Institutet , Stockholm 171 77 , Sweden