1. Department of Clinical Epidemiology; Aarhus University Hospital; Aarhus Denmark
2. Department of Biomedicine; Aarhus University Hospital; Aarhus Denmark
3. Center for Diabetes Research; Gentofte University Hospital; Copenhagen Denmark
4. Diabetes Research Centre; Department of Endocrinology; Odense University Hospital; Odense Denmark
5. Department of Endocrinology; Odense University Hospital; Odense Denmark
6. Department of Biochemistry; Lillebaelt Hospital; Vejle Denmark
7. Department of Internal Medicine and Endocrinology; Aarhus University Hospital; Aarhus Denmark
8. Department of Endocrinology; Rigshospitalet and Copenhagen University; Denmark