Kobliakov, V. A.
Article History
Received: 4 February 2019
Revised: 17 June 2019
Accepted: 17 June 2019
First Online: 18 October 2019
Ethics
: <b>Conflict of interest.</b> The author declares no conflict of interest.
: <b>Compliance with ethical norms.</b> This article does not contain description of studies with participation of humans or animals performed by the author.