1. Department of Endocrinology, Hvidovre Hospital, Hvidovre, Denmark
2. Danish Diabetes Academy, Odense University Hospital, Odense, Denmark
3. Novo Nordisk Foundation Center for Basic Metabolic Research, University of Copenhagen, Copenhagen, Denmark
4. Department of Biomedical Sciences, University of Copenhagen, Copenhagen, Denmark
5. Department of Surgical Gastroenterology, Hvidovre Hospital, Hvidovre, Denmark