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Authors
Ghukasyan, L. G.
Krasnov, G. S.
Muravenko, O. V.
Ikonnikova, A. Y.
Yurasov, R. A.
Baidun, L. V.
Ibragimova, S. Z.
Nasedkina, T. V.
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Article History
Received: 25 November 2019
Revised: 9 December 2019
Accepted: 10 December 2019
First Online: 17 June 2020
COMPLIANCE WITH ETHICAL STANDARDS
: <i>Conflict of interest</i>. The authors declare no conflict of interest.
: <i>Statement of compliance with standards of research involving humans as subjects.</i> All procedures performed in this work comply with the ethical standards of the institutional committee for research ethics and the Helsinki Declaration of 1964 and its subsequent changes or comparable ethical standards. Written voluntary informed consent was obtained from the parents of patients to use the results of the study anonymously for scientific purposes.
