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Authors
Hristova, Maria https://orcid.org/0000-0002-4526-147X
Kamenarska, Zornitsa https://orcid.org/0000-0003-0401-4189
Dzhebir, Gyulnas https://orcid.org/0000-0002-3209-4545
Nikolova, Svetla https://orcid.org/0000-0002-4685-4074
Hristova, Rozalia https://orcid.org/0000-0003-1923-3165
Mihova, Kalina https://orcid.org/0000-0001-5657-9443
Vinkov, Anton https://orcid.org/0000-0002-8923-3892
Georgiev, Tsvetoslav https://orcid.org/0000-0002-1652-4648
Pozharashka, Joana https://orcid.org/0000-0003-2481-4984
Kaneva, Radka https://orcid.org/0000-0002-1437-1393
Savov, Alexey https://orcid.org/0000-0002-5896-9354
Koundurdjiev, Atanas https://orcid.org/0000-0003-2223-7730
Dourmishev, Lyubomir https://orcid.org/0000-0001-8458-1241
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Funding
Funding for this research was provided by:
Medical University-Sofia (D-67/2016)
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Article History
Received: 18 June 2021
Accepted: 13 September 2021
First Online: 23 September 2021
Declarations
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: No competing financial interests exist.
: All procedures performed in this study were in accordance with the ethical standards of the institutional and national research committee and with the 1964 Helsinki Declaration and its later amendments or comparable ethical standards. The study has been approved by the local ethics committee of Medical University-Sofia with protocol number 9/25.04.2016.
