1. Faculty of Social Sciences/Health Sciences, University of Tampere, Tampere, Finland
2. Department of Welfare, National Institute for Health and Welfare, Helsinki, Finland
3. Department of Public Health Solutions, National Institute for Health and Welfare, Helsinki, Finland
4. Institute of Public Health and Clinical Nutrition, School of Medicine, Faculty of Health Sciences, University of Eastern Finland, Kuopio, Finland
5. Primary Health Care Unit, Hospital District of North Karelia, Joensuu, Finland