1. ENETS Center of Excellence, Copenhagen University Hospital, Rigshospitalet , 2100 Copenhagen , Denmark
2. Department of Endocrinology and Metabolism, Copenhagen University Hospital, Rigshospitalet , 2100 Copenhagen , Denmark
3. Department of Pathology, Copenhagen University Hospital, Rigshospitalet , 2100 Copenhagen , Denmark
4. Department of Surgery and Transplantation, Copenhagen University Hospital, Rigshospitalet , 2100 Copenhagen , Denmark
5. Department of Biochemistry, Copenhagen University Hospital , Bispebjerg, 2100 Copenhagen , Denmark
6. Department of Clinical Physiology and Nuclear Medicine, Copenhagen University Hospital, Rigshospitalet , 2100 Copenhagen , Denmark