Anashkina, Elena A.
Ginzburg, Vladislav N.
Kochetkov, Anton A.
Yakovlev, Ivan V.
Kim, Arkady V.
Khazanov, Efim A.
Article History
Received: 18 May 2016
Accepted: 2 September 2016
First Online: 20 September 2016
Competing interests
: The authors declare no competing financial interests.