Vukovic, Rade http://orcid.org/0000-0002-1592-4105
Milenkovic, Tatjana
Soldatovic, Ivan
Pekic, Sandra
Mitrovic, Katarina
Todorovic, Sladjana
Article History
Received: 23 July 2021
Accepted: 13 November 2021
First Online: 26 November 2021
Compliance with ethical standards
:
: The authors declare no competing interests.
: the study protocol was formally approved by the Hospital Ethics Committee and in accordance with the Declaration of Helsinki. Informed consents were obtained from the parents or guardians of all participants and assents from participants older than 7 years of age.
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