Vozilova, A. V.
Akhmadullina, Yu. R.
Article History
Received: 24 April 2019
Revised: 26 May 2019
Accepted: 30 May 2019
First Online: 24 October 2019
COMPLIANCE WITH ETHICAL STANDARDS
: <i>Conflicts of interest.</i> The authors declare no conflict of interest.
: <i>Statement of compliance with standards of research involving humans as subjects.</i> All procedures carried out in a study with the participation of 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 standards of ethics. Informed voluntary consent was obtained from each of the participants in the study.