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Authors
Savchuk, L. V.
Polevaya, S. A.
Parin, S. B.
Bondar, A. T.
Fedotchev, A. I.
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Article History
Received: 31 January 2022
Revised: 31 January 2022
Accepted: 2 February 2022
First Online: 29 June 2022
COMPLIANCE WITH ETHICAL STANDARDS
: Conflict of interest . The authors declare that they have no conflicts of interest.
: Statement of compliance with standards of research involving humans as subjects . The study was conducted in accordance with the Helsinki Declaration (adopted in June 1964 in Helsinki, Finland and revised in October 2000 in Edinburgh, Scotland). Informed consent was received from the parents of each child to participate in the examinations.
