Published on in Vol 4, No 2 (2015): Apr-Jun
1 School of Health Sciences, University of Tampere, Tampere, Finland
2 Child and Adolescent Mental Health Unit, National Institute for Health and Welfare, Helsinki, Finland
3 Tobacco, Gambling and Addiction, National Institute for Health and Welfare, Helsinki, Finland
4 Tampere Centre for Childhood, Youth and Family Research, University of Tampere, Tampere, Finland
5 Department of Adolescent Psychiatry, Tampere University Hospital, Tampere, Finland