Garde, Anne Helene http://orcid.org/0000-0002-1553-2291
Harris, Anette
Vedaa, Øystein
Bjorvatn, Bjørn
Hansen, Johnni
Hansen, Åse Marie
Kolstad, Henrik A.
Koskinen, Aki
Pallesen, Ståle
Ropponen, Annina
Härmä, Mikko I.
Funding for this research was provided by:
NordForsk, Nordic Program on Health and Welfare (74803)
Article History
Received: 21 November 2018
Accepted: 26 February 2019
First Online: 28 March 2019
Ethics approval and consent to participate
: All databases were approved for research use by local data protection agencies: The Danish Data Protection Agency (2015-57-0074); The ethics committee of the Hospital District of Helsinki and Uusimaa approved the study (HUS 1210/2016); and the Norwegian Regional Ethics Committee (2013/526/REKnord) and the Norwegian Social Science Data Services (NSD, ID 34212).Participants in Norway gave individual written consent, whereas the need for consent by participants is deemed unnecessary according to national regulations in Denmark (Databeskyttelsesloven, nr 502 af 23/05/2018) and in Finland when approved by The ethics committee of the Hospital District of Helsinki and Uusimaa (HUS 1210/2016).
: N.a.
: The authors declare that they have no competing interests.
: Springer Nature remains neutral with regard to jurisdictional claims in published maps and institutional affiliations.