Rohde, Gudrun
Berg, Kari Hansen
Pripp, Are Hugo
Prøven, Anne
Haugeberg, Glenn
Article History
Accepted: 17 September 2019
First Online: 26 September 2019
Compliance with ethical standards
:
: The authors declare that they have no competing interests.
: Written informed consent was obtained from all individual participants included in the study. Data in the study were anonymised.
: 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.