Belikov, A. V.
Zagorul’ko, A. M.
Smirnov, S. N.
Sergeev, A. N.
Mikhailova, A. A.
Shimko, A. A.
Article History
Received: 8 January 2019
Revised: 24 January 2019
Accepted: 31 January 2019
First Online: 21 June 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 human beings 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 participants involved in the study.