Kornev, Konstantin G.
Salamatin, Arthur A. http://orcid.org/0000-0002-1099-4016
Adler, Peter H.
Beard, Charles E.
Article History
Received: 2 March 2017
Accepted: 12 June 2017
First Online: 26 July 2017
Competing Interests
: The authors declare that they have no competing interests.