Katarina, Vesic http://orcid.org/0000-0001-8861-4987
Gordana, Toncev
Svetlana, Miletic Drakulic
Milica, Borovcanin
Article History
Received: 21 May 2018
Accepted: 30 August 2018
First Online: 4 September 2018
Compliance with ethical standards
:
: The authors declare that they have no conflict of interest.
: The study was approved by the Ethics Committee of the Clinical Centre of Kragujevac and conducted in compliance with the ethical principles of the Declaration of Helsinki.
: Informed consent was obtained from all individual participants included in the study.