Aasdahl, Lene http://orcid.org/0000-0003-4276-1345
Vasseljen, Ottar
Gismervik, Sigmund Østgård
Johnsen, Roar
Fimland, Marius Steiro
Funding for this research was provided by:
Norges Forskningsråd (238015/H20)
Helse Midt-Norge
NTNU Norwegian University of Science and Technology
Article History
Accepted: 8 March 2021
First Online: 25 March 2021
Compliance with Ethical Standards
:
: The authors declare that they have no competing interests.
: 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. The study was approved by the Regional Committee for Medical and Health Research Ethics in Central Norway (No. 2012/1241).
: Written informed consent was obtained from all individual participants included in the study.