Kleive, Dyre http://orcid.org/0000-0002-7072-8422
Sahakyan, Mushegh
Søreide, Kjetil
Brudvik, Kristoffer W.
Line, Pål-Dag
Gladhaug, Ivar P.
Labori, Knut Jørgen
Article History
Received: 22 June 2018
Accepted: 12 October 2018
First Online: 5 November 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 ethical standards of the institutional and national research committee and with the 1964 Helsinki declaration and its later amendments or comparable ethical standards.
: Informed consent was not obtained by all participants. The study was permitted by the hospital review board in accordance with the regional ethical committee.