1. Department of Medical Sciences, Endocrine Oncology Uppsala University, Uppsala, Sweden*
2. Departments of Surgery C and Endocrinology PE, Faculty of Health Science, University of Copenhagen, Rigshospitalet, Copenhagen, Denmark*
3. Department of Hepatology and Gastroenterology, Aarhus University Hospital, Aarhus, Denmark*
4. Department of Pathology, Faculty of Health Science, Rigshospitalet, University of Copenhagen, Copenhagen, Denmark*
5. Department of Surgical Sciences, Endocrine Surgery, Uppsala University, Uppsala, Sweden*
6. Department of Oncology, Rigshospitalet, Copenhagen, Denmark*
7. Department of Clinical Medicine, University of Copenhagen, Copenhagen, Denmark*
8. Department of Clinical Physiology, Nuclear Medicine & PET and Cluster for Molecular Imaging, Rigshospitalet, Copenhagen, Denmark*
9. Department of Biomedical Sciences, University of Copenhagen, Copenhagen, Denmark*
10. Department of Pathology, HUSLAB, Helsinki University and Helsinki University Central Hospital, Helsinki, Finland
11. Endocrinology, Abdominal Center, Helsinki University Hospital and University of Helsinki, Helsinki, Finland
12. Department of Surgical Sciences, Radiology, Uppsala University, Uppsala, Sweden*
13. Department for Organ Transplantation, Oslo University Hospital, Rikshospitalet, Oslo, Norway*
14. Department of Oncology, Haukeland University Hospital, Bergen, Norway
15. Department of Clinical Medicine, University of Bergen, Bergen, Norway