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Authors
Jorde, Rolf
Grimnes, Guri
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Funding
Funding for this research was provided by:
Helse Nord RHF (SFP1277-16)
UiT The Arctic University of Norway (na)
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Article History
Received: 26 June 2020
Accepted: 9 September 2020
First Online: 2 November 2020
Ethics approval and consent to participate
: The Tromsø study is approved by the Regional Committee for Medical and Health Research Ethics (REK Nord) and only participants with valid written consent were included.
: Not applicable.
: The authors declare that there is no conflict of interest that could be perceived as prejudicing the impartiality of the research reported.
