1. Clinical Epidemiology, Steno Diabetes Center Copenhagen, Gentofte, Denmark
2. Section for General Medical Practice, Department of Public Health, Aarhus University, Aarhus, Denmark
3. Danish Diabetes Academy, Odense, Denmark
4. Section for Epidemiology, Department of Public Health, Aarhus University, Aarhus, Denmark
5. National Institute of Public Health, University of Southern Denmark, Odense, Denmark