1. Department of Surgery, Viborg Regional Hospital, Denmark
2. Department of Endocrinology and Internal Medicine, Aarhus University Hospital, Denmark
3. Steno Diabetes Center Aarhus, Aarhus University Hospital, Denmark
4. Medical/Steno Aarhus Research Laboratory, Department of Clinical Medicine, Aarhus University, Denmark
5. Department of Surgery, University Hospital of Southern Denmark, Denmark
6. Department of Clinical Physiology, Viborg Regional Hospital, Denmark
7. Department of Biomedical Sciences and Novo Nordisk Foundation Center for Basic Metabolic Research, University of Copenhagen, Denmark