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Authors
Shchubelka, Khrystyna https://orcid.org/0000-0002-7630-3257
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Article History
Received: 10 July 2020
Accepted: 9 September 2020
First Online: 6 November 2020
Ethics approval and consent to participate
: This study was approved by IRB of SU “Uzhhorod National University” with the waiver of consent as it is a retrospective anonymous study with the minimal possible risk to participants.
: Waiver of consent by IRB decision.
: The author declares that there are no competing interests.
