Shirshin, Konstantin K.
Esipovich, Anton L.
Kazantsev, Oleg A.
Gushchin, Aleksey V.
Article History
Received: 25 December 2018
Accepted: 1 February 2019
First Online: 13 February 2019
Compliance with ethical standards
:
: On behalf of all authors, the corresponding author states that there is no conflict of interest.