Schei, Stine http://orcid.org/0000-0001-6281-0138
Solheim, Ole
Jakola, Asgeir Store
Sagberg, Lisa MillgÄrd
Article History
Received: 25 October 2019
Accepted: 16 January 2020
First Online: 23 January 2020
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 regional research committee (approved by the Regional Committee for Medical Research in Central Norway as part of a larger project, REC no. 2011/974), 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.