Topić Vučenović, Valentina https://orcid.org/0000-0002-6099-9181
Rajkovača, Zvezdana
Jelić, Dijana
Stanimirović, Dragi
Vuleta, Goran
Miljković, Branislava
Vučićević, Katarina
Article History
Received: 27 November 2017
Accepted: 4 April 2018
First Online: 13 May 2018
Compliance with ethical standards
: The study protocol was approved by the Ethics Committee of the University Clinical Centre of the Republic of Srpska and all procedures were in accordance with the 1964 Helsinki Declaration and its later amendments or comparable ethical standards. For the retrospective type of study, formal consent is not required.
: The authors declare that they have no conflict of interest.