Fridh, Martin Kaj
Schmidt-Andersen, Peter
Andrés-Jensen, Liv
Thorsteinsson, Troels
Wehner, Peder Skov
Hasle, Henrik
Schmiegelow, Kjeld
Larsen, Hanne Bækgaard
Funding for this research was provided by:
Royal Library, Copenhagen University Library
Article History
Received: 4 August 2023
Accepted: 10 November 2023
First Online: 6 December 2023
Declarations
:
: All participants and their parents received oral and written information, and the parents gave written informed consent. The Regional Ethics Committee for the Capital Region (file. H 3-2012-105) and the Danish Data Protection Agency (file. 2007-58-0015/nr.30-0734) approved the study and the data protection structure.
: Not applicable.
: The authors declare no competing interests.