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Authors
Voropaeva, E. N.
Cherdyntseva, N. V.
Voevoda, M. I.
Pospelova, T. I.
Maximov, V. N.
Orlov, Yu. L.
Ageeva, T. A.
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Article History
Received: 4 February 2019
Revised: 23 April 2019
Accepted: 15 May 2019
First Online: 27 January 2020
COMPLIANCE WITH ETHICAL STANDARDS
: Conflicts of interest . The authors declare no conflict of interest.
: Statement of compliance with standards of research involving humans as subjects. All procedures performed in the study involving people are consistent with the ethical standards of the institutional and/or national committee for research ethics and the 1964 Helsinki Declaration and its subsequent changes or comparable ethical standards.
: All of the patients gave their informed consent before the study.
