Trifonova, E. A.
Popovich, A. A.
Bocharova, A. V.
Vagaitseva, K. V.
Stepanov, V. A.
Article History
Received: 8 September 2019
Revised: 23 December 2019
Accepted: 24 December 2019
First Online: 17 June 2020
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>. All procedures performed in studies involving human participants were in accordance with the ethical standards of the institutional and/or national research committee and with the 1964 Helsinki Declaration and its later amendments or comparable ethical standards. Informed consent was obtained from all individual participants involved in the study.