André, Beate
Canhão, Helena
Espnes, Geir A.
Rodrigues, Ana Maria Ferreira
Gregorio, Maria Joao
Nguyen, Camilla
Sousa, Rute
Grønning, Kjersti
Funding for this research was provided by:
NTNU Norwegian University of Science and Technology
Article History
Received: 29 November 2019
Accepted: 27 February 2020
First Online: 24 March 2020
Compliance with ethical standards
:
: The Regional Committees for Medical and Health Research Ethics in Norway have assessed and approved the HUNT3 study and the use of the data in this article (REK 2015/1211). The manuscript contains neither individual persons´ data in any form nor other forms of sensitive information. Individuals participating have received information about the study and done it voluntarily, having first given their consent to participate. Consent forms were available at the HUNT center and at every school.
: No conflicts of interest.
: Not applicable.