Sahakyan, Mushegh A. http://orcid.org/0000-0002-4815-7694
Kleive, Dyre
Kazaryan, Airazat M.
Aghayan, Davit L.
Ignjatovic, Dejan
Labori, Knut Jørgen
Røsok, Bård Ingvald
Edwin, Bjørn
Article History
Received: 10 August 2018
Accepted: 6 November 2018
First Online: 11 November 2018
Compliance with ethical standards
: The study was approved by the Institutional Data Protection Officer.
: 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 institutional and/or national research committee and with the 1964 Helsinki declaration and its later amendments or comparable ethical standards.For this type of study formal consent is not required.
: Informed consent was obtained from all individual participants included in the study.