Pavlov, N. G. http://orcid.org/0000-0002-7507-9433
Koptyaev, S.
Lihachev, G. V.
Voloshin, A. S.
Gorodnitskiy, A. S. http://orcid.org/0000-0002-5484-006X
Ryabko, M. V.
Polonsky, S. V.
Gorodetsky, M. L. http://orcid.org/0000-0002-5159-2742
Article History
Received: 27 January 2018
Accepted: 11 September 2018
First Online: 26 October 2018
Competing interests
: The authors declare no competing interests.