Akhmadullina, Yu. R.
Vozilova, A. V.
Akleyev, A. V.
Article History
Received: 24 April 2019
Revised: 22 May 2019
Accepted: 24 June 2019
First Online: 13 May 2020
COMPLIANCE WITH ETHICAL STANDARDS
: <i>Conflict of interest</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 a study involving people are in accordance 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. All participants in the study signed an informed consent.