Kostovski, Emil http://orcid.org/0000-0002-7037-1363
Miloshevska Jakimovska, Vesna
Lidal, Ingeborg Beate
Biering-Sørensen, Fin
Article History
Received: 25 April 2019
Accepted: 1 June 2019
First Online: 18 June 2019
Compliance with ethical standards
:
: The authors declare that they have no conflict of interest.
: We certify that all applicable institutional and governmental regulations concerning the ethical use of human volunteers were followed during the course of this research. This study was approved by the Norwegian Regional Committee for Medical and Health Research Ethics South East (Approval No: 2014/2041) and local authorities at the Skopje University Hospital, Mother Teresa in North Macedonia. The project was carried out in accordance with The Declaration of Helsinki—ethical principles for medical research involving human subjects.