1. Research Unit for General Practice, Aarhus Denmark
2. Department of Public Health, Aarhus University, Aarhus, Denmark
3. Danish Center for Clinical Health Services Research, Department of Clinical Medicine, Aalborg University, Aalborg, Denmark
4. Department of Clinical Medicine, Aarhus University, Silkeborg Regional Hospital, Silkeborg, Denmark
5. Steno Diabetes Center, Aarhus University Hospital, Aarhus, Denmark
6. Comprehensive Life Resources, Tacoma, Washington