1. Western Norway University of Applied Sciences, Faculty of Health and Social Sciences , PB, 7030 , Bergen 5020, Norway
2. Karlstad University, Department of Social and Psychological Studies, Universitetsgatan 2 , Karlstad 651 88, Sweden
3. Regional Centre for Child and Youth Mental Health and Child Welfare, NORCE Norwegian Research Centre , PB, 7810 , Bergen 5020, Norway