Plenty, Stephanie
Mood, Carina
Funding for this research was provided by:
Swedish Research Council for Health, Working Life and Welfare (2012-1741)
Article History
Received: 26 November 2015
Accepted: 27 January 2016
First Online: 4 February 2016
Conflicts of Interest
: The authors report no conflicts of interest in the preparation or publication of this manuscript.
: The current study received approval from the Regional Ethics Committee, Stockholm. Approval reference number 2010/1557-31/5.
: Informed consent was obtained from all individual students included in the study and from their parents.