Funding for this research was provided by:
Rogaland County Council
Regional Research Fund
Received: 30 August 2017
Accepted: 22 February 2018
First Online: 6 March 2018
Ethics approval and consent to participate
: The Norwegian Social Science Data Services approved the study (project number 38509). All children and their parents gave their written consent to participate. Teachers and school leaders gave their verbal consent to participate in the interviews. This was considered satisfactory since they had been well informed, had received written information provided to children and their parents, and were positive about participating.
: Not applicable
: The authors declare that they have no competing interests.
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