Nedeljković, Boban http://orcid.org/0000-0003-1863-6560
Zubović, Jovan http://orcid.org/0000-0002-1717-2066
Kilibarda, Biljana http://orcid.org/0000-0002-8059-814X
Funding for this research was provided by:
Ministarstvo Prosvete, Nauke i Tehnološkog Razvoja (no specific grant; institutional funding for the Institute of Economic Sciences under contract number 451-03-47/2023-01/200005)
Article History
Accepted: 6 December 2023
First Online: 16 December 2023
Declarations
:
: The study was performed in accordance with the ethical standards as laid down in the 1964 Declaration of Helsinki and its later amendments or comparable ethical standards. Ethical approval for the implementation of both surveys was obtained from the review board of the Institute of Public Health of Serbia “Dr. Milan Jovanović Batut” (decision number 178/1 for 2014; decision number 6766/1 for 2018).
: The authors have no relevant financial or non-financial interests to disclose.