Chatzis, Christos
Schenker, Carla
Pfeffer, Max
Acar, Evrim
Funding for this research was provided by:
OsloMet - Oslo Metropolitan University
Article History
Received: 24 September 2024
Accepted: 8 June 2025
First Online: 16 September 2025
Declarations
:
: The authors declare no Conflict of interest.
: The COPSAC2000 study was conducted in accordance with the Declaration of Helsinki and was approved by the Copenhagen Ethics Committee (KF 01-289/96 and H-16039498) and the Danish Data Protection Agency (2015-41-3696). Both parents gave written informed consent before enrollment. At the 18-year-old visit, when the blood samples were collected, the study participants gave written consent themselves.
: The authors declare that they all provide consent for publication.