Ivanova, M. V.
Chekanova, E. O.
Belugin, B. V.
Dolzhikova, I. V.
Tutykhina, I. L.
Zakharova, M. N.
Article History
Received: 6 January 2020
Revised: 8 January 2020
Accepted: 9 January 2020
First Online: 23 September 2020
COMPLIANCE WITH ETHICAL STANDARDS
: <i>Conflict of interests</i>. The authors declare that they have no conflict of interest.
: <i>Ethical statement</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.