Affiliation: | 1. Social and Health Affairs, , Lahti, Finland;2. Department of Children, Young People and Families, National Institute for Health and Welfare, , Helsinki, Finland;3. Department of Chronic Disease Prevention, National Institute for Health and Welfare, , Helsinki, Finland;4. Institute of Public Health and Clinical Nutrition, University of Eastern Finland, , Kuopio, Finland;5. Hospital District of North Karelia, , Joensuu, Finland |