1. Diabetes Center, Finnish Diabetes Association, Tampere, Finland
2. Department of Research Administration, Pirkanmaa Hospital District, Tampere, Finland
3. Diabetes Unit, Department of Health Promotion and Chronic Disease Prevention, National Public Health Institute, Helsinki, Finland
4. Department of Public Health, University of Helsinki, Helsinki, Finland
5. Department of Health and Functional Capacity, Laboratory for Population Research, National Public Health Institute, Turku, Finland
6. Research Department, Social Insurance Institution, Turku, Finland
7. Department of Public Health Science and General Practice, University of Oulu, Oulu, Finland
8. Department of Sport Medicine, Oulu Deaconess Institute, Oulu, Finland
9. Oulu Health Centre, Oulu, Finland
10. Unit of General Practice, Oulu University Hospital, Oulu, Finland
11. Department of Internal Medicine, Tampere University Hospital, Tampere, Finland
12. Department of Public Health and Clinical Nutrition, University of Kuopio, Kuopio, Finland