Lund, Ingunn Olea
Andersen, Njål
Ask, Helga
Andreas, Jasmina Burdzovic
Funding for this research was provided by:
Norwegian Institute of Public Health
Article History
Received: 26 November 2022
Accepted: 12 July 2023
First Online: 18 July 2023
Declarations
:
: All parts of this study are carried out in accordance with the Declaration of Helsinki the guidelines. All study participants provided written informed consent (or assent if younger than 16 years old). The study was approved by the Norwegian Data Protection Authority (# 38949) and the Regional Committees for Medical and Health Research Ethics (#2014/867).
: Not applicable.
: The authors declare no competing interests.