1. Department of Nuclear Medicine, Herlev Hospital Copenhagen University Hospital Herlev Denmark
2. Department of Nuclear Medicine, North Zealand Hospital Copenhagen University Hospital Hillerød Denmark
3. Biochemistry and Immunology, Vejle Hospital University Hospital of Southern Denmark Vejle Denmark
4. Steno Diabetes Center Copenhagen Gentofte Denmark
5. Department of Clinical Physiology, Nuclear Medicine & PET, Rigshospitalet University of Copenhagen Copenhagen Denmark
6. Department of Occupational and Environmental Medicine, Bispebjerg and Frederiksberg Hospital Copenhagen University Hospital Copenhagen Denmark
7. Department of Endocrinology, Herlev Hospital Copenhagen University Hospital Herlev Denmark