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Authors
Sørlie, Mari-Anne https://orcid.org/0000-0001-6723-3683
Idsoe, Thormod
Ogden, Terje
Olseth, Asgeir Røyrhus
Torsheim, Torbjørn
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Article History
First Online: 18 August 2018
Compliance with Ethical Standards
:
: The authors declare that they have no conflict of interest.
: All procedures performed in studies involving human participants were in accordance with the ethical standards of the institutional and/or national research committee and with the 1964 Helsinki Declaration and its later amendments or comparable ethical standards.
: Informed consent was obtained from all individual participants included in the study.
