Bystriakova, M. A.
Koshkin, S. A.
Gavrilyukov, A. V.
Tolkunova, E. N.
Article History
Received: 6 June 2018
Revised: 29 June 2018
Accepted: 29 June 2018
First Online: 8 May 2019
COMPLIANCE WITH ETHICAL STANDARDS
: <i>Conflict of interests</i>. The authors declare that they have no conflict of interest.
: <i>Statement on the welfare of animals</i>. This article does not contain any studies with animals performed by any of the authors.
: <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.