Grasaas, Erik
Skarstein, Siv
Mikkelsen, Hilde Timenes
Småstuen, Milada Cvancarova
Rohde, Gudrun
Helseth, Sølvi
Haraldstad, Kristin
Article History
Received: 9 February 2022
Accepted: 30 November 2022
First Online: 9 December 2022
Declarations
:
: The Start Young study was approved by the Norwegian Centre for Research Data (Reference number: 60981) and an ethics committee at the University of Agder, Norway. All participants and their parents/guardians provided consent to participate. All data were anonymized. All study procedures were performed in accordance with the 1964 Helsinki declaration for ethical standards in research.
: Not applicable.
: The authors declare that they have no competing interests.