1. Department of Endocrinology Copenhagen University Hospital Hvidovre Hvidovre Denmark
2. Novo Nordisk Foundation Center for Basic Metabolic Research Faculty of Health and Medical Sciences University of Copenhagen Copenhagen Denmark
3. Department of Medicine Zealand University Hospital Koege Denmark
4. Department of Biomedical Sciences Faculty of Health and Medical Sciences University of Copenhagen Copenhagen Denmark
5. Steno Diabetes Center Copenhagen Gentofte Denmark
6. Center for Clinical Metabolic Research Gentofte Hospital Hellerup Denmark
7. Department of Clinical Medicine Faculty of Health and Medical Sciences University of Copenhagen Copenhagen Denmark
8. Department of Surgical Gastroenterology Hvidovre Hospital University of Copenhagen Hvidovre Denmark
9. Department of Surgical Gastroenterology Rigshospitalet Copenhagen Denmark