Funding for this research was provided by:
Public Health Agency of Sweden (02350-2016-6.2; 02774-2017-6.2)
Text and Data Mining valid from 2018-11-12
Received: 19 September 2018
Accepted: 24 October 2018
First Online: 12 November 2018
: CE has been professor emeritus in public health sciences, School of Health Sciences, Örebro University, Sweden. He is now guest researcher at the Department of Public Health Sciences, Stockholm University, Sweden. BK is a special education teacher and licensed psychotherapist and a PhD from Karolinska Institute with the thesis “Primary Prevention of Mental Health Problems among Children and Adolescents through Social and Emotional Training in School”. She is now a researcher at the Department of Clinical Sciences, Umeå University, Sweden. TS is a senior lecturer and associate professor at the Department of Psychology, Göteborg University, Sweden.
: Ethical approval for this study was provided by the regional Ethical Review Board in Uppsala on January 18, 2017 (EPN dnr 2016/460). Active written consent to participate is solicited from the parents and the children included in the study.
: Not applicable.
: The authors declare that they have no competing interests.
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