Durbeej, Natalie
Sörman, Karolina http://orcid.org/0000-0002-5552-2952
Norén Selinus, Eva
Lundström, Sebastian
Lichtenstein, Paul
Hellner, Clara
Halldner, Linda
Article History
Received: 9 November 2018
Accepted: 18 July 2019
First Online: 2 August 2019
Ethics approval and consent to participate
: The CATSS has ethical approval from the Regional Ethical Review Board of Stockholm (#03–672, 2010/507–31/1; 2010/1356/31/1). All 15-year old study participants and participating parents provided written consents.
: Not applicable.
: The authors declare that they have no competing interests.