Arntzen, Erik http://orcid.org/0000-0002-8471-1058
Liland, Kim Henrik
Article History
First Online: 1 May 2019
Compliance with Ethical Standards
:
: The authors declare that there is no conflict of interest.
: All procedures performed in studies involving human participants were in accordance with ethical standards 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.