Samodova, A. V.
Dobrodeeva, L. K.
Article History
Received: 3 October 2017
Revised: 27 December 2017
Accepted: 21 March 2018
First Online: 14 May 2019
COMPLIANCE WITH ETHICAL STANDARDS
: <i>Conflict of interests</i>. The authors declare that they have no conflict of interest.
: <i>Statement of compliance with standards of research involving humans as subjects</i>. Before entering the study, the participants gave written informed consent. The study was performed in accordance with the World Medical Association Declaration of Helsinki on Ethical Principles for Medical Research (2000).
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