Girard, Lisa-Christine
Bøe, Tormod
Nilsen, Sondre Aasen
Askeland, Kristin Gärtner
Hysing, Mari
Funding for this research was provided by:
University of Oslo
Article History
Received: 7 March 2023
Accepted: 20 February 2024
First Online: 1 March 2024
Declarations
:
: Ethical approval was granted by the Regional Committee for Medical and Health Research Ethics in Western Norway. For the first three waves, written informed consent was obtained from all parents whose child was included in the present study. For the fourth wave, parents and adolescents provided informed consent for their own participation, and adolescents further consented to having their parents participate.
: The authors have no financial relationships relevant to this article to disclose.
: The authors declare no competing interests.