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Authors
Savchenko, E. A.
Velichko, E. N.
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Article History
Received: 10 December 2019
Revised: 4 March 2020
Accepted: 28 March 2020
First Online: 2 September 2020
COMPLIANCE WITH ETHICAL STANDARDS
: All procedures performed in a study involving people comply with the ethical standards of the institutional and/or national committee for research ethics and the Helsinki Declaration of 1964 and its subsequent changes or comparable ethical standards.
: The authors declare that they have no conflict of interest.
