1. Department of Endocrinology, Aalborg University Hospital, Aalborg, Denmark
2. Steno Diabetic Center North Jutland, Aalborg, Denmark
3. Department of Endocrinology and Metabolism, National University Hospital Rigshospitalet, Copenhagen, Denmark
4. Department of Endocrinology, Odense University Hospital, Odense, Denmark
5. Department of Endocrinology, Herlev University Hospital, Denmark
6. Department of Endocrinology, Aarhus University Hospital, Aarhus C, Denmark