Shmarina, G. V.
Orlova, M. D.
Ershova, E. S.
Jestkova, E. M.
Martynov, A. V.
Veiko, N. N.
Konkova, M. S.
Dolgikh, O. A.
Filev, A. D.
Kostyuk, S. V.
Article History
Received: 9 February 2019
Revised: 28 March 2019
Accepted: 4 April 2019
First Online: 6 February 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 the study involving people comply with the ethical standards of the institutional and/or national research ethics committee and the 1964 Helsinki Declaration and its subsequent changes or comparable ethical standards.
: Informed consent was obtained from each of the participants in the study.