Jeppesen, Lise Sohl https://orcid.org/0000-0002-7877-6963
Damsgaard, Linn https://orcid.org/0000-0001-6705-1142
Stolpe, Malene Norup https://orcid.org/0000-0002-5150-9048
Melcher, Jesper Ninn Sandfeld https://orcid.org/0009-0005-8080-9364
Wienecke, Jacob https://orcid.org/0000-0001-9786-4689
Nielsen, Glen https://orcid.org/0000-0003-2854-7182
Smedegaard, Søren https://orcid.org/0000-0002-5451-9743
Henriksen, Anne Husted https://orcid.org/0000-0003-4017-4729
Hansen, Rasmus Ahmt https://orcid.org/0000-0003-1383-2992
Hillman, Charles H https://orcid.org/0000-0002-3722-5612
Tammelin, Tuija H https://orcid.org/0000-0002-1771-3977
Resaland, Geir K https://orcid.org/0000-0002-9102-7609
Daly-Smith, Andrew https://orcid.org/0000-0003-4830-9376
Bugge, Anna https://orcid.org/0000-0002-8345-1434
Funding for this research was provided by:
Copenhagen University
Article History
Received: 3 September 2023
Accepted: 14 February 2024
First Online: 9 March 2024
Declarations
:
: Informed consent was obtained from all parents/legal guardian(s) of participating children and participating teachers in a written form (see Supplementary Material). The study has been approved by the local Ethical Committee at University of Copenhagen (protocol: 504 − 0333/22-5000), and will be carried out in accordance with the Helsinki Declaration. The trial has been registered 25th of October 2022 in ClinicalTrials.gov, NCT05602948 and any important protocol modifications will be registered and verified here.
: Not applicable.
: None of the involved researchers have any financial or other competing interest in the trial. The academic test company Hogrefe has no commercial interest in the study.