1. Section of Specialized Endocrinology Oslo University Hospital Oslo Norway
2. Faculty of Medicine University of Oslo Oslo Norway
3. Department of Radiology, Institute of Clinical Sciences, The Sahlgrenska Academy University of Gothenburg Gothenburg Sweden
4. Department of Radiology Sahlgrenska University Hospital Gothenburg Sweden
5. Oslo Centre for Biostatistics and Epidemiology, Research Support Services Oslo University Hospital Oslo Norway
6. Clinic of Breast and Endocrine Surgery, HovedOrtoCentret (HOC) Copenhagen University Hospital, Rigshospitalet Copenhagen Denmark
7. Department of Endocrinology, Clinic of Medicine St. Olavs Hospital, Trondheim University Hospital Trondheim Norway
8. Department of Molecular Medicine and Surgery, Department of Endocrinology, Karolinska Institutet Karolinska University Hospital Stockholm Sweden
9. Department of Breast and Endocrine Surgery Haukeland University Hospital Bergen Norway
10. Department of Surgery Västmanland County Hospital Västerås Sweden
11. Department of Medicine, Section of Endocrinology, Diabetes, and Metabolism Sahlgrenska University Hospital Gothenburg Sweden
12. Department of Molecular Medicine and Surgery Karolinska Institutet Stockholm Sweden
13. Department of Surgery, Institute of Clinical Sciences Sahlgrenska Academy at the University of Gothenburg, Sahlgrenska University Hospital Gothenburg Sweden