Gurkov, Anton
Shchapova, Ekaterina
Bedulina, Daria
Baduev, Boris
Borvinskaya, Ekaterina
Meglinski, Igor
Timofeyev, Maxim
Article History
Received: 15 July 2016
Accepted: 14 October 2016
First Online: 3 November 2016
Competing interests
: The authors declare no competing financial interests.