[1] University of Eastern Finland,School of Medicine, Institute of Public Health and Clinical Nutrition
[2] University of Helsinki,Centre for Research Methods, Department of Social Research
[3] University of Eastern Finland,School of Medicine, Institute of Clinical Medicine
[4] National Institute for Health and Welfare,Department of Health and Social Care Systems
[5] The Finnish Diabetes Association,Department of Social Sciences
[6] University of Eastern Finland,Department of Medicine
[7] Kuopio University Hospital,undefined