Yakimovskii, A. F.
Article History
Received: 29 November 2018
Revised: 8 December 2018
Accepted: 10 December 2018
First Online: 27 January 2020
COMPLIANCE WITH ETHICAL STANDARDS
: <i>Conflict of interest</i>. The author declares that there exists no conflict of interest.
: <i>Statement on</i><i>compliance with standards of research involving humans or animals</i>. This article does not contain any studies involving animals or human subjects performed by the author.