1. Department of Endocrinology Aalborg University Hospital Aalborg Denmark
2. Steno Diabetes Center North Jutland Aalborg Denmark
3. Department of Endocrinology Aarhus University Hospital Aarhus C Denmark
4. Department of Endocrinology Odense University Hospital Odense Denmark
5. Department of Endocrinology and Metabolism National University Hospital Rigshospitalet Copenhagen Denmark
6. Department of Endocrinology Herlev University Hospital Herlev Denmark
7. Clinical Institute Aalborg University Aalborg Denmark
8. Department of Clinical Epidemiolgy and Metabolism Leiden University Medical Centre Leiden The Netherlands